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Routing Table Report 00:00 GMT Thu 22 Feb, 2007
Analysis Summary ----------------
BGP routing table entries examined: 222510 Prefixes after maximum aggregation: 116204 Deaggregation factor: 1.91 Unique aggregates announced to Internet: 103798 Total ASes present in the Internet Routing Table: 24505 Origin-only ASes present in the Internet Routing Table: 21206 Origin ASes announcing only one prefix: 10274 Transit ASes present in the Internet Routing Table: 3299 Transit-only ASes present in the Internet Routing Table: 83 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 31 Max AS path prepend of ASN (29187) 19 Prefixes from unregistered ASNs in the Routing Table: 62 Unregistered ASNs in the Routing Table: 24 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1688200392 Equivalent to 100 /8s, 159 /16s and 228 /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: 117376
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 49123 Total APNIC prefixes after maximum aggregation: 19559 APNIC Deaggregation factor: 2.51 Prefixes being announced from the APNIC address blocks: 46123 Unique aggregates announced from the APNIC address blocks: 20401 APNIC Region origin ASes present in the Internet Routing Table: 2886 APNIC Region origin ASes announcing only one prefix: 780 APNIC Region transit ASes present in the Internet Routing Table: 431 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 290404000 Equivalent to 17 /8s, 79 /16s and 54 /24s Percentage of available APNIC address space announced: 71.9
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: 111578 Total ARIN prefixes after maximum aggregation: 62513 ARIN Deaggregation factor: 1.78 Prefixes being announced from the ARIN address blocks: 82608 Unique aggregates announced from the ARIN address blocks: 29544 ARIN Region origin ASes present in the Internet Routing Table: 11376 ARIN Region origin ASes announcing only one prefix: 4361 ARIN Region transit ASes present in the Internet Routing Table: 1109 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 321094880 Equivalent to 19 /8s, 35 /16s and 132 /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: 45011 Total RIPE prefixes after maximum aggregation: 29069 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 41895 Unique aggregates announced from the RIPE address blocks: 27098 RIPE Region origin ASes present in the Internet Routing Table: 9208 RIPE Region origin ASes announcing only one prefix: 4820 RIPE Region transit ASes present in the Internet Routing Table: 1546 Average RIPE Region AS path length visible: 4.6 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 291422464 Equivalent to 17 /8s, 94 /16s and 193 /24s Percentage of available RIPE address space announced: 79.0
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: 14061 Total LACNIC prefixes after maximum aggregation: 4063 LACNIC Deaggregation factor: 3.46 Prefixes being announced from the LACNIC address blocks: 12130 Unique aggregates announced from the LACNIC address blocks: 7035 LACNIC Region origin ASes present in the Internet Routing Table: 766 LACNIC Region origin ASes announcing only one prefix: 250 LACNIC Region transit ASes present in the Internet Routing Table: 135 Average LACNIC Region AS path length visible: 5.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 37533952 Equivalent to 2 /8s, 60 /16s and 185 /24s Percentage of available LACNIC address space announced: 55.9
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: 2677 Total AfriNIC prefixes after maximum aggregation: 998 AfriNIC Deaggregation factor: 2.68 Prefixes being announced from the AfriNIC address blocks: 1969 Unique aggregates announced from the AfriNIC address blocks: 1178 AfriNIC Region origin ASes present in the Internet Routing Table: 185 AfriNIC Region origin ASes announcing only one prefix: 62 AfriNIC Region transit ASes present in the Internet Routing Table: 35 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC addresses announced to Internet: 5418752 Equivalent to 0 /8s, 82 /16s and 175 /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 1273 8702 277 CHINANET-BACKBONE 4755 1117 383 73 Videsh Sanchar Nigam Ltd. Aut 9583 1074 77 368 Sify Limited 9498 958 468 66 BHARTI BT INTERNET LTD. 23577 780 35 708 Korea Telecom (ATM-MPLS) 4766 769 4944 310 Korea Telecom (KIX) 1221 621 1686 453 Telstra Pty Ltd 17488 597 39 26 Hathway IP Over Cable Interne 7545 587 142 77 TPG Internet Pty Ltd 18101 521 103 23 Reliance Infocom Ltd Internet 17676 503 10935 65 Softbank BB Corp. 4812 499 763 72 China Telecom (Shanghai) 4668 459 67 12 LG-EDS Systems Inc. 7474 454 216 260 SingTel Optus Pty Ltd 9443 443 111 75 Primus Telecommunications 9942 432 85 127 COMindico Australia 17849 370 35 94 Telecommunications Technology 4802 362 86 148 Wantree Development 17557 353 34 169 Pakistan Telecom 2907 339 1749 310 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1880 424 UUNET - Commercial IP service 2119 396 812 333 Telenor Internet Access 24863 324 44 24 LINKdotNET AS number 3301 312 1199 291 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 8220 271 469 261 COLT Telecommunications 6746 267 95 246 Dynamic Network Technologies, 1257 263 1116 174 SWIPnet Swedish IP Network 680 257 2044 251 DFN-IP service G-WiN 8708 241 284 228 Romania Data Systems S.A. 5089 239 1657 52 NTL Group Limited 3215 238 2224 92 France Telecom Transpac 5416 220 14 11 BATELCO-BH 3269 212 2423 72 TELECOM ITALIA 3246 208 355 197 Song Networks 30890 206 17 96 SC Kappa Invexim SRL 8551 205 197 25 Bezeq International 3352 202 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 4795 6693 741 UUNET Technologies, Inc. 7018 1493 6100 980 AT&T WorldNet Services 4323 1448 1005 349 Time Warner Telecom 705 1326 557 601 UUNET Technologies, Inc. 6478 1129 449 195 AT&T Worldnet Services 2386 1114 570 738 AT&T Data Communications Serv 6197 1015 651 501 BellSouth Network Solutions, 18566 991 288 9 Covad Communications 11492 975 101 13 Cable One 174 942 6792 866 Cogent Communications 1239 814 2714 572 Sprint 20115 800 707 424 Charter Communications 7046 793 266 655 UUNET Technologies, Inc. 7011 786 227 475 Citizens Utilities 19262 757 2591 178 Verizon Global Networks 22773 731 1872 41 Cox Communications, Inc. 209 712 3743 570 Qwest 721 635 21787 273 DLA Systems Automation Center 852 620 1090 392 Telus Advanced Communications 577 588 760 205 Bell Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1448 1099 Time Warner Telecom 4755 1117 1044 Videsh Sanchar Nigam Ltd. Aut 4134 1273 996 CHINANET-BACKBONE 18566 991 982 Covad Communications 11492 975 962 Cable One 6478 1129 934 AT&T Worldnet Services 9498 958 892 BHARTI BT INTERNET LTD. 8151 1021 810 UniNet S.A. de C.V. 705 1326 725 UUNET Technologies, Inc. 9583 1074 706 Sify Limited 22773 731 690 Cox Communications, Inc. 19262 757 579 Verizon Global Networks 17488 597 571 Hathway IP Over Cable Interne 5668 573 557 CenturyTel Internet Holdings, 6197 1015 514 BellSouth Network Solutions, 19916 568 514 OLM LLC 7018 1493 513 AT&T WorldNet Services 7545 587 510 TPG Internet Pty Ltd 18101 521 498 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 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 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 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 /14:427 /15:830 /16:9276 /17:3790 /18:6262 /19:13377 /20:15093 /21:13741 /22:17813 /23:19178 /24:119307 /25:875 /26:654 /27:527 /28:214 /29:174 /30:467 /31:0 /32:73
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3559 4795 UUNET Technologies, Inc. 6478 1077 1129 AT&T Worldnet Services 18566 973 991 Covad Communications 11492 961 975 Cable One 9583 910 1074 Sify Limited 2386 837 1114 AT&T Data Communications Serv 705 823 1326 UUNET Technologies, Inc. 7018 804 1493 AT&T WorldNet Services 6197 794 1015 BellSouth Network Solutions, 23577 766 780 Korea Telecom (ATM-MPLS) 7011 686 786 Citizens Utilities 4323 635 1448 Time Warner Telecom 9498 612 958 BHARTI BT INTERNET LTD. 4766 577 769 Korea Telecom (KIX) 19916 563 568 OLM LLC 7046 546 793 UUNET Technologies, Inc. 4755 523 1117 Videsh Sanchar Nigam Ltd. Aut 15270 475 507 PaeTec.net -a division of Pae 855 465 566 Canadian Research Network 18101 452 521 Reliance Infocom Ltd Internet
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 24:917 25:1 32:172 38:282 40:57 41:89 44:2 47:7 52:4 55:1 56:3 57:52 58:319 59:390 60:211 61:963 62:1079 63:3337 64:3319 65:3671 66:3255 67:745 68:661 69:1745 70:458 71:98 72:1217 73:1 74:168 75:80 76:6 77:34 80:845 81:784 82:703 83:371 84:513 85:754 86:438 87:493 88:244 89:802 90:3 91:175 97:1 121:137 122:321 123:40 124:579 125:876 128:310 129:219 130:131 131:348 132:49 133:10 134:190 135:38 136:180 137:122 138:196 139:103 140:499 141:142 142:394 143:212 144:277 145:43 146:315 147:149 148:376 149:192 150:114 151:116 152:96 153:118 154:6 155:246 156:151 157:179 158:168 159:150 160:99 161:91 162:231 163:163 164:459 165:381 166:245 167:282 168:514 169:120 170:387 171:15 172:1 189:172 190:425 192:5801 193:3743 194:3010 195:2300 196:1020 198:3887 199:3356 200:4631 201:985 202:7239 203:7385 204:4110 205:2186 206:2616 207:3103 208:3178 209:3720 210:2387 211:975 212:1362 213:1475 214:408 215:39 216:4280 217:1181 218:367 219:272 220:872 221:373 222:248
End of report
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