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Routing Table Report 00:00 GMT Mon 19 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 221999 Prefixes after maximum aggregation: 116145 Deaggregation factor: 1.91 Unique aggregates announced to Internet: 103645 Total ASes present in the Internet Routing Table: 24436 Origin-only ASes present in the Internet Routing Table: 21190 Origin ASes announcing only one prefix: 10232 Transit ASes present in the Internet Routing Table: 3246 Transit-only ASes present in the Internet Routing Table: 80 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 31 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 73 Unregistered ASNs in the Routing Table: 30 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1687830596 Equivalent to 100 /8s, 154 /16s and 64 /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: 117093
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 48846 Total APNIC prefixes after maximum aggregation: 19444 APNIC Deaggregation factor: 2.51 Prefixes being announced from the APNIC address blocks: 45856 Unique aggregates announced from the APNIC address blocks: 20384 APNIC Region origin ASes present in the Internet Routing Table: 2846 APNIC Region origin ASes announcing only one prefix: 773 APNIC Region transit ASes present in the Internet Routing Table: 429 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 290718880 Equivalent to 17 /8s, 84 /16s and 4 /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: 111329 Total ARIN prefixes after maximum aggregation: 62552 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 82435 Unique aggregates announced from the ARIN address blocks: 29488 ARIN Region origin ASes present in the Internet Routing Table: 11354 ARIN Region origin ASes announcing only one prefix: 4336 ARIN Region transit ASes present in the Internet Routing Table: 1082 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 320860128 Equivalent to 19 /8s, 31 /16s and 239 /24s Percentage of available ARIN address space announced: 70.8
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: 45083 Total RIPE prefixes after maximum aggregation: 29061 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 42000 Unique aggregates announced from the RIPE address blocks: 27100 RIPE Region origin ASes present in the Internet Routing Table: 9209 RIPE Region origin ASes announcing only one prefix: 4815 RIPE Region transit ASes present in the Internet Routing Table: 1527 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 291079296 Equivalent to 17 /8s, 89 /16s and 132 /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: 14001 Total LACNIC prefixes after maximum aggregation: 4091 LACNIC Deaggregation factor: 3.42 Prefixes being announced from the LACNIC address blocks: 12078 Unique aggregates announced from the LACNIC address blocks: 6978 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: 134 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 37667840 Equivalent to 2 /8s, 62 /16s and 196 /24s Percentage of available LACNIC address space announced: 56.1
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: 2669 Total AfriNIC prefixes after maximum aggregation: 995 AfriNIC Deaggregation factor: 2.68 Prefixes being announced from the AfriNIC address blocks: 1951 Unique aggregates announced from the AfriNIC address blocks: 1172 AfriNIC Region origin ASes present in the Internet Routing Table: 183 AfriNIC Region origin ASes announcing only one prefix: 60 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC addresses announced to Internet: 5413376 Equivalent to 0 /8s, 82 /16s and 154 /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 1274 8702 278 CHINANET-BACKBONE 4755 1115 383 76 Videsh Sanchar Nigam Ltd. Aut 9583 1070 77 370 Sify Limited 9498 950 467 66 BHARTI BT INTERNET LTD. 23577 780 35 708 Korea Telecom (ATM-MPLS) 4766 766 4944 310 Korea Telecom (KIX) 1221 617 1686 450 Telstra Pty Ltd 17488 598 39 24 Hathway IP Over Cable Interne 7545 587 142 77 TPG Internet Pty Ltd 18101 522 103 23 Reliance Infocom Ltd Internet 17676 502 10935 65 Softbank BB Corp. 4812 499 763 72 China Telecom (Shanghai) 4668 461 67 13 LG-EDS Systems Inc. 7474 454 215 258 SingTel Optus Pty Ltd 9443 443 111 75 Primus Telecommunications 9942 433 85 128 COMindico Australia 17849 370 35 94 Telecommunications Technology 4802 360 86 148 Wantree Development 17557 353 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 702 545 1879 423 UUNET - Commercial IP service 2119 396 827 333 Telenor Internet Access 24863 324 44 24 LINKdotNET AS number 3301 317 1199 292 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 8220 273 471 263 COLT Telecommunications 6746 267 95 246 Dynamic Network Technologies, 1257 262 1116 174 SWIPnet Swedish IP Network 680 257 2044 251 DFN-IP service G-WiN 8708 240 284 227 Romania Data Systems S.A. 5089 239 1657 52 NTL Group Limited 3215 238 2224 92 France Telecom Transpac 5416 216 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 200 1783 33 Ibernet, Internet Access Netw 20858 197 34 3 EgyNet 3300 189 171 93 AUCS Communications Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4807 6695 751 UUNET Technologies, Inc. 7018 1482 6100 965 AT&T WorldNet Services 705 1332 558 601 UUNET Technologies, Inc. 4323 1309 885 508 Time Warner Telecom 6478 1132 454 195 AT&T Worldnet Services 2386 1108 570 732 AT&T Data Communications Serv 6197 1015 651 497 BellSouth Network Solutions, 18566 991 288 9 Covad Communications 11492 960 100 18 Cable One 174 938 6792 864 Cogent Communications 1239 820 2745 574 Sprint 20115 805 707 421 Charter Communications 7046 789 266 653 UUNET Technologies, Inc. 7011 786 227 475 Citizens Utilities 19262 755 2591 178 Verizon Global Networks 22773 727 1872 41 Cox Communications, Inc. 209 715 3743 570 Qwest 721 639 21771 272 DLA Systems Automation Center 852 615 1090 390 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 1039 Videsh Sanchar Nigam Ltd. Aut 4134 1274 996 CHINANET-BACKBONE 18566 991 982 Covad Communications 11492 960 942 Cable One 6478 1132 937 AT&T Worldnet Services 9498 950 884 BHARTI BT INTERNET LTD. 8151 1017 805 UniNet S.A. de C.V. 4323 1309 801 Time Warner Telecom 705 1332 731 UUNET Technologies, Inc. 9583 1070 700 Sify Limited 22773 727 686 Cox Communications, Inc. 19262 755 577 Verizon Global Networks 17488 598 574 Hathway IP Over Cable Interne 5668 575 559 CenturyTel Internet Holdings, 6197 1015 518 BellSouth Network Solutions, 7018 1482 517 AT&T WorldNet Services 19916 568 514 OLM LLC 7545 587 510 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 64512 PRIVATE 80.66.96.0/20 3209 Arcor IP-Network 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 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. 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 65313 PRIVATE 203.184.140.0/24 9304 Hutchison Telecom (H 65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr 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 /15:832 /16:9261 /17:3787 /18:6258 /19:13344 /20:15091 /21:13704 /22:17781 /23:19142 /24:118935 /25:881 /26:662 /27:523 /28:216 /29:177 /30:466 /31:0 /32:79
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3565 4807 UUNET Technologies, Inc. 6478 1077 1132 AT&T Worldnet Services 18566 973 991 Covad Communications 11492 946 960 Cable One 9583 906 1070 Sify Limited 2386 833 1108 AT&T Data Communications Serv 705 828 1332 UUNET Technologies, Inc. 7018 807 1482 AT&T WorldNet Services 6197 794 1015 BellSouth Network Solutions, 23577 766 780 Korea Telecom (ATM-MPLS) 7011 685 786 Citizens Utilities 9498 605 950 BHARTI BT INTERNET LTD. 4766 573 766 Korea Telecom (KIX) 19916 563 568 OLM LLC 7046 542 789 UUNET Technologies, Inc. 4323 538 1309 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 453 461 LG-EDS Systems Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:62 9:1 12:1812 13:1 15:16 16:3 17:3 18:5 20:38 24:905 25:1 32:172 38:283 40:57 41:89 44:2 47:7 52:4 55:1 56:3 57:52 58:316 59:384 60:211 61:957 62:1088 63:3332 64:3324 65:3666 66:3257 67:740 68:660 69:1744 70:452 71:98 72:1211 73:1 74:166 75:79 76:3 77:31 80:854 81:783 82:701 83:377 84:552 85:752 86:426 87:490 88:239 89:801 90:3 91:195 97:1 116:1 117:1 118:1 119:1 120:1 121:135 122:210 123:38 124:571 125:835 128:307 129:219 130:130 131:344 132:48 133:10 134:186 135:42 136:175 137:117 138:195 139:103 140:504 141:141 142:390 143:214 144:272 145:43 146:315 147:149 148:372 149:192 150:114 151:116 152:96 153:119 154:6 155:247 156:151 157:176 158:169 159:149 160:98 161:90 162:228 163:163 164:455 165:380 166:246 167:282 168:504 169:120 170:388 171:15 172:1 189:170 190:416 192:5792 193:3737 194:3010 195:2316 196:1007 198:3866 199:3355 200:4607 201:974 202:7184 203:7379 204:4108 205:2178 206:2620 207:3099 208:3141 209:3727 210:2394 211:976 212:1368 213:1477 214:407 215:39 216:4275 217:1174 218:367 219:274 220:869 221:375 222:258
End of report
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