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Routing Table Report 04:00 +10GMT Tue 30 Jan, 2007
Analysis Summary ----------------
BGP routing table entries examined: 209284 Prefixes after maximum aggregation: 112784 Deaggregation factor: 1.86 Unique aggregates announced to Internet: 101847 Total ASes present in the Internet Routing Table: 24214 Origin-only ASes present in the Internet Routing Table: 21099 Origin ASes announcing only one prefix: 10200 Transit ASes present in the Internet Routing Table: 3115 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 32 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 5 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 13 Number of addresses announced to Internet: 1667786252 Equivalent to 99 /8s, 104 /16s and 102 /24s Percentage of available address space announced: 45.0 Percentage of allocated address space announced: 61.8 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 107195
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46708 Total APNIC prefixes after maximum aggregation: 18739 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 44144 Unique aggregates announced from the APNIC address blocks: 19243 APNIC Region origin ASes present in the Internet Routing Table: 2827 APNIC Region origin ASes announcing only one prefix: 790 APNIC Region transit ASes present in the Internet Routing Table: 417 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 281267552 Equivalent to 16 /8s, 195 /16s and 205 /24s Percentage of available APNIC address space announced: 69.7
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: 102802 Total ARIN prefixes after maximum aggregation: 60777 ARIN Deaggregation factor: 1.69 Prefixes being announced from the ARIN address blocks: 75736 Unique aggregates announced from the ARIN address blocks: 29093 ARIN Region origin ASes present in the Internet Routing Table: 11292 ARIN Region origin ASes announcing only one prefix: 4323 ARIN Region transit ASes present in the Internet Routing Table: 1036 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 314926464 Equivalent to 18 /8s, 197 /16s and 101 /24s Percentage of available ARIN address space announced: 69.5
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: 43437 Total RIPE prefixes after maximum aggregation: 28291 RIPE Deaggregation factor: 1.54 Prefixes being announced from the RIPE address blocks: 40101 Unique aggregates announced from the RIPE address blocks: 26663 RIPE Region origin ASes present in the Internet Routing Table: 9085 RIPE Region origin ASes announcing only one prefix: 4785 RIPE Region transit ASes present in the Internet Routing Table: 1464 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 287201188 Equivalent to 17 /8s, 30 /16s and 87 /24s Percentage of available RIPE address space announced: 77.8
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: 13812 Total LACNIC prefixes after maximum aggregation: 4019 LACNIC Deaggregation factor: 3.44 Prefixes being announced from the LACNIC address blocks: 11850 Unique aggregates announced from the LACNIC address blocks: 7248 LACNIC Region origin ASes present in the Internet Routing Table: 759 LACNIC Region origin ASes announcing only one prefix: 249 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: 20 Number of LACNIC addresses announced to Internet: 36465152 Equivalent to 2 /8s, 44 /16s and 106 /24s Percentage of available LACNIC address space announced: 54.3
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: 2523 Total AfriNIC prefixes after maximum aggregation: 956 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 1804 Unique aggregates announced from the AfriNIC address blocks: 1147 AfriNIC Region origin ASes present in the Internet Routing Table: 175 AfriNIC Region origin ASes announcing only one prefix: 52 AfriNIC Region transit ASes present in the Internet Routing Table: 31 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5384704 Equivalent to 0 /8s, 82 /16s and 42 /24s Percentage of available AfriNIC address space announced: 16.0
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 1279 8663 273 CHINANET-BACKBONE 4755 1091 383 75 Videsh Sanchar Nigam Ltd. Aut 9583 1048 109 16 Sify Limited 9498 934 467 64 BHARTI BT INTERNET LTD. 23577 771 34 699 Korea Telecom (ATM-MPLS) 4766 763 4944 313 Korea Telecom (KIX) 17488 588 37 20 Hathway IP Over Cable Interne 1221 567 1698 438 Telstra Pty Ltd 7545 559 126 74 TPG Internet Pty Ltd 18101 516 103 23 Reliance Infocom Ltd Internet 17676 503 10935 66 Softbank BB Corp. 9443 442 111 74 Primus Telecommunications 4812 439 763 70 China Telecom (Shanghai) 17974 364 129 14 PT TELEKOMUNIKASI INDONESIA 4802 359 86 149 Wantree Development 17849 354 34 94 Telecommunications Technology 17557 348 34 168 Pakistan Telecom 2907 336 1749 309 SINET Japan 4837 334 4071 146 chinanet IDC center beijing n 7474 315 212 245 SingTel Optus Pty Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1552 6127 997 AT&T WorldNet Services 2386 1105 569 731 AT&T Data Communications Serv 4323 1061 819 297 Time Warner Telecom 6197 1023 647 501 BellSouth Network Solutions, 18566 989 288 9 Covad Communications 701 938 6695 746 UUNET Technologies, Inc. 174 934 6789 864 Cogent Communications 11492 912 99 15 Cable One 1239 828 2730 578 Sprint 19262 808 2576 180 Verizon Global Networks 20115 795 689 412 Charter Communications 7011 731 218 454 Citizens Utilities 22773 724 1872 41 Cox Communications, Inc. 209 716 3750 563 Qwest 721 685 21836 279 DLA Systems Automation Center 852 607 1091 392 Telus Advanced Communications 5668 574 161 19 CenturyTel Internet Holdings, 19916 568 49 54 OLM LLC 855 565 250 73 Canadian Research Network 6198 552 521 258 BellSouth Network Solutions,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 544 1898 423 UUNET - Commercial IP service 3301 305 1199 287 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 24863 298 45 25 LINKdotNET AS number 8220 270 474 262 COLT Telecommunications 6746 266 95 245 Dynamic Network Technologies, 680 257 2044 251 DFN-IP service G-WiN 3215 237 2192 93 France Telecom Transpac 8708 234 283 221 Romania Data Systems S.A. 1257 224 1097 173 SWIPnet Swedish IP Network 30890 214 18 90 SC Kappa Invexim SRL 3269 213 2391 71 TELECOM ITALIA 3246 207 354 197 Song Networks 5416 205 13 13 BATELCO-BH 8551 192 193 28 Bezeq International 20858 189 34 3 This AS will be used to conne 3352 182 1767 31 Ibernet, Internet Access Netw 3300 179 171 89 AUCS Communications Services 12479 177 578 6 Uni2 Autonomous System 786 172 1779 172 The JANET IP Service
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 939 2047 204 UniNet S.A. de C.V. 11830 482 299 19 Instituto Costarricense de El 11172 385 113 83 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 6471 254 74 30 ENTEL CHILE S.A. 14117 239 17 14 Telefonica del Sur S.A. 11556 235 116 6 Cable-Wireless Panama 7303 233 104 34 Telecom Argentina Stet-France 6147 227 182 20 Telefonica Del Peru 6503 216 168 91 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 21826 160 22 39 INTERCABLE 7910 152 11 32 ANDINET ON LINE 23216 147 19 43 RAMtelecom Telecomunicaciones 18822 145 9 10 TELEFONICA MANQUEHUE 20299 145 22 17 NEWCOM AMERICAS 19169 141 9 24 Telconet 19429 139 84 34 E.T.B. 14522 138 21 8 SatNet S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 290 868 232 The Internet Solution 8452 226 60 6 TEDATA 15475 154 84 4 Nile Online 6713 144 135 11 Itissalat Al-MAGHRIB 2018 138 309 113 Tertiary Education Network 5536 123 8 15 Internet Egypt Network 33783 113 6 6 EEPAD TISP TELECOM & INTERNET 24835 86 48 6 RAYA Telecom - Egypt 2905 79 173 72 The Internetworking Company o 2561 62 6 2 Egyptian Universities Network 15706 54 12 4 Sudatel Internet Exchange Aut 23889 53 16 13 MAURITIUS TELECOM 5713 44 294 34 Telkom SA Ltd 33774 39 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 33766 33 2 1 Nyala Communications Pty Ltd 8524 30 2 6 AUCEGYPT Autonomous System 33776 27 2 5 Starcomms Nigeria Limited 21280 26 4 4 Swift Global Kenya Ltd.Is an 10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 9583 1048 1032 Sify Limited 4755 1091 1016 Videsh Sanchar Nigam Ltd. Aut 4134 1279 1006 CHINANET-BACKBONE 18566 989 980 Covad Communications 11492 912 897 Cable One 9498 934 870 BHARTI BT INTERNET LTD. 4323 1061 764 Time Warner Telecom 8151 939 735 UniNet S.A. de C.V. 22773 724 683 Cox Communications, Inc. 19262 808 628 Verizon Global Networks 17488 588 568 Hathway IP Over Cable Interne 5668 574 555 CenturyTel Internet Holdings, 6197 1023 522 BellSouth Network Solutions, 19916 568 514 OLM LLC 18101 516 493 Reliance Infocom Ltd Internet 855 565 492 Canadian Research Network 7545 559 485 TPG Internet Pty Ltd 15270 502 468 PaeTec.net -a division of Pae 11830 482 463 Instituto Costarricense de El 4766 763 450 Korea Telecom (KIX)
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 1.1.1.0/24 4761 INDOSATNET-ASN 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 /8:19 /9:10 /10:13 /11:33 /12:115 /13:226 /14:414 /15:813 /16:9201 /17:3682 /18:5968 /19:12965 /20:14581 /21:13022 /22:16686 /23:17912 /24:111900 /25:660 /26:458 /27:379 /28:64 /29:40 /30:90 /31:0 /32:33
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 971 989 Covad Communications 11492 898 912 Cable One 9583 875 1048 Sify Limited 7018 857 1552 AT&T WorldNet Services 2386 828 1105 AT&T Data Communications Serv 6197 795 1023 BellSouth Network Solutions, 23577 757 771 Korea Telecom (ATM-MPLS) 7011 634 731 Citizens Utilities 9498 592 934 BHARTI BT INTERNET LTD. 4766 571 763 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 501 1091 Videsh Sanchar Nigam Ltd. Aut 15270 470 502 PaeTec.net -a division of Pae 855 464 565 Canadian Research Network 18101 447 516 Reliance Infocom Ltd Internet 5668 441 574 CenturyTel Internet Holdings, 17488 411 588 Hathway IP Over Cable Interne 1239 408 828 Sprint 33588 403 425 Bresnan Communications, LLC. 6198 390 552 BellSouth Network Solutions,
Number of /24s announced per /8 block (Global) ----------------------------------------------
1:1 4:9 7:1 8:61 9:1 12:1657 13:1 15:15 16:3 17:3 18:5 20:36 24:873 25:1 32:54 38:278 40:57 41:67 44:2 47:10 52:4 55:1 56:3 57:25 58:289 59:376 60:202 61:943 62:1048 63:1906 64:3211 65:2299 66:3134 67:712 68:637 69:1712 70:427 71:133 72:1145 73:1 74:149 75:64 76:22 77:3 80:829 81:778 82:644 83:348 84:495 85:757 86:466 87:478 88:276 89:779 90:2 91:195 97:1 116:1 117:1 118:1 119:1 120:1 121:127 122:68 123:26 124:578 125:787 128:303 129:219 130:126 131:315 132:49 133:9 134:182 135:44 136:180 137:113 138:190 139:53 140:521 141:137 142:371 143:213 144:268 145:67 146:306 147:138 148:367 149:190 150:115 151:117 152:90 153:119 154:5 155:250 156:125 157:174 158:170 159:147 160:98 161:85 162:228 163:161 164:451 165:288 166:246 167:281 168:493 169:121 170:379 171:15 172:1 189:145 190:357 192:5740 193:3659 194:2924 195:2212 196:929 198:3776 199:3276 200:4644 201:964 202:7167 203:7268 204:3959 205:2110 206:2410 207:2889 208:2430 209:3575 210:2362 211:881 212:1290 213:1419 214:395 215:39 216:4061 217:1180 218:347 219:263 220:846 221:370 222:273
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