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Routing Table Report 00:00 GMT Tue 20 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 222270 Prefixes after maximum aggregation: 116101 Deaggregation factor: 1.91 Unique aggregates announced to Internet: 103654 Total ASes present in the Internet Routing Table: 24459 Origin-only ASes present in the Internet Routing Table: 21230 Origin ASes announcing only one prefix: 10242 Transit ASes present in the Internet Routing Table: 3229 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 31 Max AS path prepend of ASN (29187) 19 Prefixes from unregistered ASNs in the Routing Table: 93 Unregistered ASNs in the Routing Table: 36 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1687760228 Equivalent to 100 /8s, 153 /16s and 45 /24s Percentage of available address space announced: 45.5 Percentage of allocated address space announced: 62.6 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 117186
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 49026 Total APNIC prefixes after maximum aggregation: 19468 APNIC Deaggregation factor: 2.52 Prefixes being announced from the APNIC address blocks: 46013 Unique aggregates announced from the APNIC address blocks: 20363 APNIC Region origin ASes present in the Internet Routing Table: 2876 APNIC Region origin ASes announcing only one prefix: 783 APNIC Region transit ASes present in the Internet Routing Table: 434 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 290477728 Equivalent to 17 /8s, 80 /16s and 86 /24s Percentage of available APNIC address space announced: 72.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911 APNIC Address Blocks 58/7, 60/7, 116/6, 120/6, 124/7, 126/8, 202/7 210/7, 218/7, 220/7 and 222/8
ARIN Region Analysis Summary ----------------------------
Prefixes being announced by ARIN Region ASes: 111381 Total ARIN prefixes after maximum aggregation: 62540 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 82461 Unique aggregates announced from the ARIN address blocks: 29501 ARIN Region origin ASes present in the Internet Routing Table: 11339 ARIN Region origin ASes announcing only one prefix: 4332 ARIN Region transit ASes present in the Internet Routing Table: 1068 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 320985312 Equivalent to 19 /8s, 33 /16s and 216 /24s Percentage of available ARIN address space announced: 70.9
ARIN AS Blocks 1-1876, 1902-2042, 2044-2046, 2048-2106 (pre-ERX allocations) 2138-2584, 2615-2772, 2823-2829, 2880-3153 3354-4607, 4865-5119, 5632-6655, 6912-7466 7723-8191, 10240-12287, 13312-15359, 16384-17407 18432-20479, 21504-23551, 25600-26591, 26624-27647, 29696-30719, 31744-33791 35840-36863, 39936-40959 ARIN Address Blocks 24/8, 63/8, 64/5, 72/6, 76/8, 96/6, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 45063 Total RIPE prefixes after maximum aggregation: 29022 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 41999 Unique aggregates announced from the RIPE address blocks: 27065 RIPE Region origin ASes present in the Internet Routing Table: 9221 RIPE Region origin ASes announcing only one prefix: 4820 RIPE Region transit ASes present in the Internet Routing Table: 1512 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 291084960 Equivalent to 17 /8s, 89 /16s and 154 /24s Percentage of available RIPE address space announced: 78.9
RIPE AS Blocks 1877-1901, 2043, 2047, 2107-2136, 2585-2614 (pre-ERX allocations) 2773-2822, 2830-2879, 3154-3353, 5377-5631 6656-6911, 8192-9215, 12288-13311, 15360-16383 20480-21503, 24576-25599, 28672-29695 30720-31743, 33792-35839, 38912-39935 40960-43007 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 14047 Total LACNIC prefixes after maximum aggregation: 4054 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 12121 Unique aggregates announced from the LACNIC address blocks: 7019 LACNIC Region origin ASes present in the Internet Routing Table: 763 LACNIC Region origin ASes announcing only one prefix: 247 LACNIC Region transit ASes present in the Internet Routing Table: 137 Average LACNIC Region AS path length visible: 4.8 Max LACNIC Region AS path length visible: 27 Number of LACNIC addresses announced to Internet: 37478400 Equivalent to 2 /8s, 59 /16s and 224 /24s Percentage of available LACNIC address space announced: 55.8
LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 189/8, 190/8, 200/7
AfriNIC Region Analysis Summary -------------------------------
Prefixes being announced by AfriNIC Region ASes: 2662 Total AfriNIC prefixes after maximum aggregation: 1015 AfriNIC Deaggregation factor: 2.62 Prefixes being announced from the AfriNIC address blocks: 1960 Unique aggregates announced from the AfriNIC address blocks: 1176 AfriNIC Region origin ASes present in the Internet Routing Table: 182 AfriNIC Region origin ASes announcing only one prefix: 59 AfriNIC Region transit ASes present in the Internet Routing Table: 34 Average AfriNIC Region AS path length visible: 3.7 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 5414400 Equivalent to 0 /8s, 82 /16s and 158 /24s Percentage of available AfriNIC address space announced: 16.1
AfriNIC AS Blocks 36864-37887 & ERX transfers AfriNIC Address Blocks 41/8, 196/8
APNIC Region per AS prefix count summary ----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 4134 1269 8690 273 CHINANET-BACKBONE 4755 1115 383 75 Videsh Sanchar Nigam Ltd. Aut 9583 1073 77 372 Sify Limited 9498 955 467 65 BHARTI BT INTERNET LTD. 23577 780 35 708 Korea Telecom (ATM-MPLS) 4766 766 4944 310 Korea Telecom (KIX) 1221 619 1686 451 Telstra Pty Ltd 17488 598 39 24 Hathway IP Over Cable Interne 7545 586 142 76 TPG Internet Pty Ltd 18101 522 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 499 763 72 China Telecom (Shanghai) 4668 462 67 13 LG-EDS Systems Inc. 7474 453 216 260 SingTel Optus Pty Ltd 9443 443 111 75 Primus Telecommunications 9942 430 85 125 COMindico Australia 17849 370 35 94 Telecommunications Technology 4802 362 86 150 Wantree Development 17557 354 34 169 Pakistan Telecom 17974 347 129 14 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 547 1896 425 UUNET - Commercial IP service 2119 395 827 332 Telenor Internet Access 24863 324 44 24 LINKdotNET AS number 3301 313 1199 291 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 8220 272 469 262 COLT Telecommunications 6746 267 95 246 Dynamic Network Technologies, 1257 263 1116 174 SWIPnet Swedish IP Network 8708 241 284 227 Romania Data Systems S.A. 5089 239 1657 52 NTL Group Limited 3215 238 2224 92 France Telecom Transpac 680 237 1899 231 DFN-IP service G-WiN 5416 220 14 11 BATELCO-BH 3269 213 2423 71 TELECOM ITALIA 3246 208 355 197 Song Networks 8551 205 197 25 Bezeq International 30890 205 17 97 SC Kappa Invexim SRL 3352 199 1783 33 Ibernet, Internet Access Netw 20858 197 34 3 EgyNet 3300 187 171 91 AUCS Communications Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4841 6695 750 UUNET Technologies, Inc. 7018 1495 10196 978 AT&T WorldNet Services 705 1328 558 599 UUNET Technologies, Inc. 4323 1307 884 507 Time Warner Telecom 6478 1131 452 192 AT&T Worldnet Services 2386 1110 570 734 AT&T Data Communications Serv 6197 1016 651 498 BellSouth Network Solutions, 18566 991 288 9 Covad Communications 11492 960 100 18 Cable One 174 938 6792 864 Cogent Communications 1239 815 2714 572 Sprint 20115 806 707 416 Charter Communications 7046 791 266 654 UUNET Technologies, Inc. 7011 786 227 475 Citizens Utilities 19262 755 2591 178 Verizon Global Networks 22773 731 1872 41 Cox Communications, Inc. 209 713 3743 568 Qwest 721 639 21771 272 DLA Systems Automation Center 852 619 1090 391 Telus Advanced Communications 577 585 760 205 Bell Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1115 1040 Videsh Sanchar Nigam Ltd. Aut 4134 1269 996 CHINANET-BACKBONE 18566 991 982 Covad Communications 11492 960 942 Cable One 6478 1131 939 AT&T Worldnet Services 9498 955 890 BHARTI BT INTERNET LTD. 8151 1022 810 UniNet S.A. de C.V. 4323 1307 800 Time Warner Telecom 705 1328 729 UUNET Technologies, Inc. 9583 1073 701 Sify Limited 22773 731 690 Cox Communications, Inc. 19262 755 577 Verizon Global Networks 17488 598 574 Hathway IP Over Cable Interne 5668 573 557 CenturyTel Internet Holdings, 6197 1016 518 BellSouth Network Solutions, 7018 1495 517 AT&T WorldNet Services 19916 568 514 OLM LLC 7545 586 510 TPG Internet Pty Ltd 18101 522 499 Reliance Infocom Ltd Internet 855 566 496 Canadian Research Network
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65533 PRIVATE 4.33.8.0/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.16/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.32/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.48/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.64/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.80/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.96/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.112/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.128/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.144/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.160/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.176/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.192/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.208/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.224/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.8.240/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.0/26 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.128/27 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.192/27 293 Energy Sciences Netw 65533 PRIVATE 4.33.9.224/27 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.0/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.16/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.32/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.48/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.64/28 293 Energy Sciences Netw 65533 PRIVATE 4.33.10.80/28 293 Energy Sciences Netw 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 65005 PRIVATE 129.26.0.0/16 680 DFN-IP service G-WiN 65103 PRIVATE 130.133.0.0/16 680 DFN-IP service G-WiN 65009 PRIVATE 132.252.0.0/16 680 DFN-IP service G-WiN 65011 PRIVATE 134.61.0.0/16 680 DFN-IP service G-WiN 65009 PRIVATE 134.91.0.0/16 680 DFN-IP service G-WiN 65011 PRIVATE 134.130.0.0/16 680 DFN-IP service G-WiN 65323 PRIVATE 135.124.149.0/25 18676 Avaya Inc. 65323 PRIVATE 135.124.150.0/25 18676 Avaya Inc. 65323 PRIVATE 135.124.150.128/25 18676 Avaya Inc. 65323 PRIVATE 135.124.151.0/25 18676 Avaya Inc. 65323 PRIVATE 135.124.151.128/25 18676 Avaya Inc. 65011 PRIVATE 137.226.0.0/16 680 DFN-IP service G-WiN 65105 PRIVATE 141.14.0.0/16 680 DFN-IP service G-WiN 64635 PRIVATE 148.147.0.0/16 18676 Avaya Inc. 65011 PRIVATE 153.96.180.0/24 680 DFN-IP service G-WiN 65103 PRIVATE 160.45.0.0/16 680 DFN-IP service G-WiN 65011 PRIVATE 192.35.229.0/24 680 DFN-IP service G-WiN 65011 PRIVATE 192.44.11.0/24 680 DFN-IP service G-WiN 65005 PRIVATE 192.54.34.0/23 680 DFN-IP service G-WiN 65117 PRIVATE 192.76.176.0/24 680 DFN-IP service G-WiN 65005 PRIVATE 192.76.241.0/24 680 DFN-IP service G-WiN 65005 PRIVATE 192.76.245.0/24 680 DFN-IP service G-WiN 65005 PRIVATE 192.76.246.0/23 680 DFN-IP service G-WiN 65005 PRIVATE 192.76.248.0/24 680 DFN-IP service G-WiN 65011 PRIVATE 192.102.148.0/24 680 DFN-IP service G-WiN 65105 PRIVATE 192.109.48.0/24 680 DFN-IP service G-WiN 65070 PRIVATE 193.226.121.0/24 9050 RTD-ROMTELECOM Auton 65070 PRIVATE 194.102.140.0/24 9050 RTD-ROMTELECOM Auton 65070 PRIVATE 194.102.141.0/24 9050 RTD-ROMTELECOM Auton 64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In 64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In 64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In 64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In 64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In 64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In 65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65534 PRIVATE 212.222.128.0/24 8928 Interoute Telecommun 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So 65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp 64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio 64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 192.0.2.0/24 812 Rogers WAVE
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 7.1.1.0/24 1239 Sprint 132.0.0.0/10 721 DLA Systems Automation Center 137.0.0.0/13 721 DLA Systems Automation Center 158.0.0.0/13 721 DLA Systems Automation Center 172.33.1.0/24 7018 AT&T WorldNet Services 180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.153.136.0/21 721 DLA Systems Automation Center 192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:9 /10:12 /11:34 /12:119 /13:238 /14:428 /15:831 /16:9264 /17:3790 /18:6265 /19:13359 /20:15101 /21:13727 /22:17831 /23:19138 /24:119093 /25:883 /26:664 /27:525 /28:215 /29:178 /30:467 /31:0 /32:79
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3600 4841 UUNET Technologies, Inc. 6478 1078 1131 AT&T Worldnet Services 18566 973 991 Covad Communications 11492 946 960 Cable One 9583 909 1073 Sify Limited 2386 835 1110 AT&T Data Communications Serv 705 824 1328 UUNET Technologies, Inc. 7018 809 1495 AT&T WorldNet Services 6197 795 1016 BellSouth Network Solutions, 23577 766 780 Korea Telecom (ATM-MPLS) 7011 685 786 Citizens Utilities 9498 610 955 BHARTI BT INTERNET LTD. 4766 573 766 Korea Telecom (KIX) 19916 563 568 OLM LLC 7046 544 791 UUNET Technologies, Inc. 4323 537 1307 Time Warner Telecom 4755 522 1115 Videsh Sanchar Nigam Ltd. Aut 15270 475 507 PaeTec.net -a division of Pae 855 465 566 Canadian Research Network 4668 454 462 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:62 9:1 12:1811 13:1 15:16 16:3 17:3 18:5 20:38 24:905 25:1 32:172 38:282 40:57 41:89 44:2 47:7 52:4 55:1 56:3 57:52 58:317 59:388 60:211 61:961 62:1091 63:3335 64:3316 65:3668 66:3257 67:740 68:660 69:1742 70:454 71:98 72:1215 73:1 74:162 75:79 76:3 77:31 80:856 81:781 82:697 83:375 84:514 85:755 86:425 87:490 88:242 89:811 90:3 91:196 97:1 121:139 122:213 123:38 124:574 125:836 128:310 129:219 130:130 131:344 132:49 133:10 134:186 135:38 136:175 137:121 138:196 139:103 140:504 141:141 142:391 143:212 144:274 145:43 146:313 147:149 148:374 149:192 150:114 151:115 152:96 153:119 154:6 155:247 156:151 157:175 158:169 159:149 160:99 161:91 162:227 163:163 164:459 165:382 166:246 167:282 168:505 169:120 170:388 171:15 172:1 189:172 190:417 192:5794 193:3741 194:3008 195:2319 196:1014 198:3872 199:3354 200:4636 201:982 202:7234 203:7405 204:4107 205:2180 206:2618 207:3098 208:3151 209:3723 210:2400 211:976 212:1370 213:1481 214:406 215:39 216:4280 217:1177 218:367 219:274 220:871 221:375 222:259
End of report
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