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Routing Table Report 04:00 +10GMT Mon 29 Jan, 2007
Analysis Summary ----------------
BGP routing table entries examined: 209192 Prefixes after maximum aggregation: 112780 Deaggregation factor: 1.85 Unique aggregates announced to Internet: 101766 Total ASes present in the Internet Routing Table: 24204 Origin-only ASes present in the Internet Routing Table: 21087 Origin ASes announcing only one prefix: 10193 Transit ASes present in the Internet Routing Table: 3117 Transit-only ASes present in the Internet Routing Table: 74 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: 12 Number of addresses announced to Internet: 1667802380 Equivalent to 99 /8s, 104 /16s and 165 /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: 107114
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46691 Total APNIC prefixes after maximum aggregation: 18730 APNIC Deaggregation factor: 2.49 Prefixes being announced from the APNIC address blocks: 44143 Unique aggregates announced from the APNIC address blocks: 19223 APNIC Region origin ASes present in the Internet Routing Table: 2825 APNIC Region origin ASes announcing only one prefix: 787 APNIC Region transit ASes present in the Internet Routing Table: 420 Average APNIC Region AS path length visible: 3.6 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 281227104 Equivalent to 16 /8s, 195 /16s and 47 /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: 102811 Total ARIN prefixes after maximum aggregation: 60789 ARIN Deaggregation factor: 1.69 Prefixes being announced from the ARIN address blocks: 75730 Unique aggregates announced from the ARIN address blocks: 29068 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: 1030 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 314846848 Equivalent to 18 /8s, 196 /16s and 46 /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: 43346 Total RIPE prefixes after maximum aggregation: 28278 RIPE Deaggregation factor: 1.53 Prefixes being announced from the RIPE address blocks: 40041 Unique aggregates announced from the RIPE address blocks: 26629 RIPE Region origin ASes present in the Internet Routing Table: 9080 RIPE Region origin ASes announcing only one prefix: 4782 RIPE Region transit ASes present in the Internet Routing Table: 1470 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 287286692 Equivalent to 17 /8s, 31 /16s and 165 /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: 13824 Total LACNIC prefixes after maximum aggregation: 4027 LACNIC Deaggregation factor: 3.43 Prefixes being announced from the LACNIC address blocks: 11852 Unique aggregates announced from the LACNIC address blocks: 7240 LACNIC Region origin ASes present in the Internet Routing Table: 758 LACNIC Region origin ASes announcing only one prefix: 248 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: 36594688 Equivalent to 2 /8s, 46 /16s and 100 /24s Percentage of available LACNIC address space announced: 54.5
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: 2518 Total AfriNIC prefixes after maximum aggregation: 954 AfriNIC Deaggregation factor: 2.64 Prefixes being announced from the AfriNIC address blocks: 1795 Unique aggregates announced from the AfriNIC address blocks: 1146 AfriNIC Region origin ASes present in the Internet Routing Table: 174 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: 5366272 Equivalent to 0 /8s, 81 /16s and 226 /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 76 Videsh Sanchar Nigam Ltd. Aut 9583 1046 109 16 Sify Limited 9498 933 467 65 BHARTI BT INTERNET LTD. 23577 773 34 700 Korea Telecom (ATM-MPLS) 4766 763 4944 313 Korea Telecom (KIX) 17488 588 37 20 Hathway IP Over Cable Interne 1221 569 1698 440 Telstra Pty Ltd 7545 561 126 75 TPG Internet Pty Ltd 18101 515 103 27 Reliance Infocom Ltd Internet 17676 503 10935 66 Softbank BB Corp. 9443 442 111 74 Primus Telecommunications 4812 435 763 69 China Telecom (Shanghai) 17974 364 129 14 PT TELEKOMUNIKASI INDONESIA 4802 359 86 149 Wantree Development 17849 353 33 93 Telecommunications Technology 17557 348 34 168 Pakistan Telecom 2907 336 1749 309 SINET Japan 4837 334 4071 146 chinanet IDC center beijing n 7474 315 212 244 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 1106 585 732 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 701 939 6695 747 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 721 686 21836 280 DLA Systems Automation Center 852 607 1091 392 Telus Advanced Communications 5668 579 161 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 702 546 1898 425 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 178 171 89 AUCS Communications Services 12479 176 578 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 203 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 215 168 91 AVANTEL, S.A. 10481 181 72 8 Prima S.A. 21826 160 22 39 INTERCABLE 7910 152 11 32 ANDINET ON LINE 20299 150 23 14 NEWCOM AMERICAS 23216 147 19 43 RAMtelecom Telecomunicaciones 18822 145 9 10 TELEFONICA MANQUEHUE 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 233 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 55 12 4 Sudatel Internet Exchange Aut 23889 53 16 13 MAURITIUS TELECOM 5713 45 294 35 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 26 2 6 Starcomms Nigeria Limited 10798 23 1 14 Standard Bank of South Africa 21280 23 4 4 Swift Global Kenya Ltd.Is an
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 9583 1046 1030 Sify Limited 4755 1091 1015 Videsh Sanchar Nigam Ltd. Aut 4134 1279 1006 CHINANET-BACKBONE 18566 989 980 Covad Communications 11492 912 897 Cable One 9498 933 868 BHARTI BT INTERNET LTD. 4323 1061 764 Time Warner Telecom 8151 939 736 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 579 560 CenturyTel Internet Holdings, 6197 1023 522 BellSouth Network Solutions, 19916 568 514 OLM LLC 855 565 492 Canadian Research Network 18101 515 488 Reliance Infocom Ltd Internet 7545 561 486 TPG Internet Pty Ltd 15270 500 466 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 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 /15:812 /16:9202 /17:3679 /18:5965 /19:12962 /20:14593 /21:13002 /22:16677 /23:17902 /24:111842 /25:664 /26:459 /27:377 /28:64 /29:39 /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 873 1046 Sify Limited 7018 857 1552 AT&T WorldNet Services 2386 828 1106 AT&T Data Communications Serv 6197 795 1023 BellSouth Network Solutions, 23577 759 773 Korea Telecom (ATM-MPLS) 7011 634 731 Citizens Utilities 9498 592 933 BHARTI BT INTERNET LTD. 4766 571 763 Korea Telecom (KIX) 19916 563 568 OLM LLC 4755 500 1091 Videsh Sanchar Nigam Ltd. Aut 15270 468 500 PaeTec.net -a division of Pae 855 464 565 Canadian Research Network 18101 447 515 Reliance Infocom Ltd Internet 5668 445 579 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) ----------------------------------------------
4:9 7:1 8:61 9:1 12:1658 13:1 15:15 16:3 17:3 18:5 20:36 24:873 25:1 32:54 38:277 40:57 41:67 44:2 47:10 52:4 55:1 56:3 57:25 58:292 59:376 60:203 61:953 62:1042 63:1905 64:3209 65:2298 66:3133 67:715 68:637 69:1716 70:427 71:133 72:1144 73:1 74:148 75:64 76:22 77:3 80:826 81:777 82:646 83:349 84:495 85:758 86:458 87:478 88:276 89:780 90:2 91:183 97:1 116:1 117:1 118:1 119:1 120:1 121:126 122:68 123:26 124:576 125:787 128:304 129:221 130:126 131:317 132:49 133:9 134:181 135:44 136:180 137:113 138:190 139:53 140:519 141:134 142:371 143:211 144:268 145:66 146:307 147:138 148:367 149:190 150:115 151:117 152:90 153:119 154:5 155:250 156:125 157:172 158:170 159:147 160:97 161:83 162:228 163:161 164:450 165:288 166:246 167:271 168:495 169:121 170:379 171:15 172:1 189:145 190:357 192:5746 193:3659 194:2917 195:2212 196:930 198:3775 199:3275 200:4626 201:964 202:7152 203:7273 204:3958 205:2099 206:2420 207:2900 208:2430 209:3569 210:2351 211:880 212:1288 213:1417 214:395 215:39 216:4061 217:1178 218:358 219:268 220:845 221:370 222:277
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