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Routing Table Report 04:00 +10GMT Mon 01 Jan, 2007
Analysis Summary ----------------
BGP routing table entries examined: 206289 Prefixes after maximum aggregation: 111961 Unique aggregates announced to Internet: 100773 Total ASes present in the Internet Routing Table: 24011 Origin-only ASes present in the Internet Routing Table: 20930 Origin ASes announcing only one prefix: 10104 Transit ASes present in the Internet Routing Table: 3081 Transit-only ASes present in the Internet Routing Table: 77 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: 3 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1651074380 Equivalent to 98 /8s, 105 /16s and 101 /24s Percentage of available address space announced: 44.5 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 104975
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 45580 Total APNIC prefixes after maximum aggregation: 18558 Prefixes being announced from the APNIC address blocks: 43148 Unique aggregates announced from the APNIC address blocks: 19033 APNIC Region origin ASes present in the Internet Routing Table: 2796 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: 3.7 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 273261024 Equivalent to 16 /8s, 73 /16s and 161 /24s Percentage of available APNIC address space announced: 85.4
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, 121/8, 122/7, 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: 102067 Total ARIN prefixes after maximum aggregation: 60485 Prefixes being announced from the ARIN address blocks: 75253 Unique aggregates announced from the ARIN address blocks: 28692 ARIN Region origin ASes present in the Internet Routing Table: 11246 ARIN Region origin ASes announcing only one prefix: 4297 ARIN Region transit ASes present in the Internet Routing Table: 1028 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 311507328 Equivalent to 18 /8s, 145 /16s and 57 /24s Percentage of available ARIN address space announced: 68.8
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: 42697 Total RIPE prefixes after maximum aggregation: 27984 Prefixes being announced from the RIPE address blocks: 39498 Unique aggregates announced from the RIPE address blocks: 26456 RIPE Region origin ASes present in the Internet Routing Table: 8969 RIPE Region origin ASes announcing only one prefix: 4715 RIPE Region transit ASes present in the Internet Routing Table: 1442 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 283351716 Equivalent to 16 /8s, 227 /16s and 154 /24s Percentage of available RIPE address space announced: 76.8
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: 13410 Total LACNIC prefixes after maximum aggregation: 3992 Prefixes being announced from the LACNIC address blocks: 11498 Unique aggregates announced from the LACNIC address blocks: 7096 LACNIC Region origin ASes present in the Internet Routing Table: 752 LACNIC Region origin ASes announcing only one prefix: 250 LACNIC Region transit ASes present in the Internet Routing Table: 133 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 35953408 Equivalent to 2 /8s, 36 /16s and 155 /24s Percentage of available LACNIC address space announced: 53.6
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: 2533 Total AfriNIC prefixes after maximum aggregation: 942 Prefixes being announced from the AfriNIC address blocks: 1778 Unique aggregates announced from the AfriNIC address blocks: 1128 AfriNIC Region origin ASes present in the Internet Routing Table: 171 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: 5324800 Equivalent to 0 /8s, 81 /16s and 64 /24s Percentage of available AfriNIC address space announced: 15.9
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 1260 8638 265 CHINANET-BACKBONE 9583 1044 109 16 Sify Limited 4755 1041 384 68 Videsh Sanchar Nigam Ltd. Aut 9498 897 211 63 BHARTI BT INTERNET LTD. 23577 769 34 698 KRNIC 4766 758 4946 312 Korea Telecom (KIX) 1221 574 1714 444 Telstra Pty Ltd 17488 565 35 21 Hathway IP Over Cable Interne 7545 554 126 73 TPG Internet Pty Ltd 17676 503 10935 66 Softbank BB Corp. 18101 493 87 29 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 439 81 132 COMindico Australia 4812 437 759 69 China Telecom (Shanghai) 17849 411 36 126 Telecommunications Technology 4802 408 86 149 Wantree Development 17557 367 35 171 Pakistan Telecom 17974 340 119 27 PT TELEKOMUNIKASI INDONESIA 2907 332 1749 309 SINET Japan 4837 332 3943 145 chinanet IDC center beijing n
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1541 6159 1001 AT&T WorldNet Services 2386 1108 586 733 AT&T Data Communications Serv 4323 1057 820 299 Time Warner Telecom 6197 1020 638 500 BellSouth Network Solutions, 18566 983 272 8 Covad Communications 174 957 6791 871 Cogent Communications 701 933 6691 757 UUNET Technologies, Inc. 11492 866 98 14 Cable One 1239 820 2729 577 Sprint 19262 804 2496 181 Verizon Global Networks 721 780 21901 293 DLA Systems Automation Center 20115 767 667 406 Charter Communications 209 717 3763 565 Qwest 22773 711 1744 40 Cox Communications, Inc. 7011 685 211 430 Citizens Utilities 852 603 1092 391 Telus Advanced Communications 19916 567 48 57 OLM LLC 5668 550 161 19 CenturyTel Internet Holdings, 6198 549 535 257 BellSouth Network Solutions, 855 538 250 73 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1912 425 UUNET - Commercial IP service 3301 310 1199 292 TeliaNet Sweden 3320 300 4994 248 Deutsche Telekom AG 24863 294 44 26 LINKdotNET AS number 8220 272 474 263 COLT Telecommunications 6746 264 93 242 Dynamic Network Technologies, 680 253 2041 248 DFN-IP service G-WiN 8708 231 282 218 Romania Data Systems S.A. 3215 230 2104 96 France Telecom Transpac 9116 223 134 23 Goldenlines main autonomous s 1257 214 1069 171 SWIPnet Swedish IP Network 3269 210 2373 73 TELECOM ITALIA 30890 208 19 90 SC Kappa Invexim SRL 5416 206 13 9 BATELCO-BH 3246 202 353 192 Song Networks 8551 196 197 24 Bezeq International 3300 178 171 95 AUCS Communications Services 3352 175 1767 31 Ibernet, Internet Access Netw 12479 175 578 6 Uni2 Autonomous System 786 170 1779 170 The JANET IP Service
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 817 2016 206 UniNet S.A. de C.V. 11830 483 299 19 Instituto Costarricense de El 11172 385 104 74 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 22047 307 206 11 VTR PUNTO NET S.A. 14117 258 16 13 Telefonica del Sur S.A. 6471 257 74 31 ENTEL CHILE S.A. 7303 226 101 38 Telecom Argentina Stet-France 6147 224 182 20 Telefonica Del Peru 6503 215 170 93 AVANTEL, S.A. 11556 204 101 6 Cable-Wireless Panama 10481 181 72 8 Prima S.A. 21826 156 20 35 INTERCABLE 23216 146 19 43 RAMtelecom Telecomunicaciones 7910 144 10 31 ANDINET ON LINE 19169 139 9 22 Telconet 19429 138 84 34 E.T.B. 14522 129 20 9 SatNet S.A. 18822 129 8 10 TELEFONICA MANQUEHUE 7738 116 442 21 Telecomunicacoes da Bahia S.A
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 289 868 231 The Internet Solution 8452 230 60 7 TEDATA 15475 147 84 4 Nile Online 6713 144 135 11 Itissalat Al-MAGHRIB 2018 136 297 111 Tertiary Education Network 5536 124 8 11 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 109 6 4 EEPAD TISP TELECOM & INTERNET 2905 84 175 73 The Internetworking Company o 2561 60 6 2 Egyptian Universities Network 15706 55 12 4 Sudatel Internet Exchange Aut 23889 55 13 15 MAURITIUS TELECOM 5713 41 294 34 Telkom SA Ltd 12455 39 6 3 Jambonet Autonomous system 33774 38 12 22 AS Number for Telecom Algeria 16637 33 21 25 Johnnic e-Ventures 8524 30 2 6 AUCEGYPT Autonomous System 15804 27 2 1 AS of The Way Out Internet So 33776 27 2 5 Starcomms Nigeria Limited 10798 23 1 14 Standard Bank of South Africa
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 9583 1044 1028 Sify Limited 4134 1260 995 CHINANET-BACKBONE 18566 983 975 Covad Communications 4755 1041 973 Videsh Sanchar Nigam Ltd. Aut 11492 866 852 Cable One 9498 897 834 BHARTI BT INTERNET LTD. 4323 1057 758 Time Warner Telecom 22773 711 671 Cox Communications, Inc. 19262 804 623 Verizon Global Networks 8151 817 611 UniNet S.A. de C.V. 17488 565 544 Hathway IP Over Cable Interne 5668 550 531 CenturyTel Internet Holdings, 6197 1020 520 BellSouth Network Solutions, 19916 567 510 OLM LLC 721 780 487 DLA Systems Automation Center 7545 554 481 TPG Internet Pty Ltd 15270 501 466 PaeTec.net -a division of Pae 855 538 465 Canadian Research Network 18101 493 464 Reliance Infocom Ltd Internet 11830 483 464 Instituto Costarricense de El
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65124 PRIVATE 193.110.52.0/24 24652 Juniper Networks, Eu 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 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 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 192.172.0.0/19 721 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 /11:30 /12:114 /13:228 /14:409 /15:797 /16:9094 /17:3609 /18:5890 /19:12865 /20:14467 /21:12888 /22:16378 /23:17877 /24:109937 /25:629 /26:458 /27:354 /28:71 /29:42 /30:87 /31:0 /32:23
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 966 983 Covad Communications 9583 871 1044 Sify Limited 11492 852 866 Cable One 7018 832 1541 AT&T WorldNet Services 2386 827 1108 AT&T Data Communications Serv 6197 794 1020 BellSouth Network Solutions, 23577 755 769 KRNIC 7011 590 685 Citizens Utilities 4766 567 758 Korea Telecom (KIX) 19916 562 567 OLM LLC 9498 561 897 BHARTI BT INTERNET LTD. 4755 482 1041 Videsh Sanchar Nigam Ltd. Aut 15270 469 501 PaeTec.net -a division of Pae 855 435 538 Canadian Research Network 18101 426 493 Reliance Infocom Ltd Internet 5668 423 550 CenturyTel Internet Holdings, 1239 403 820 Sprint 17849 397 411 Telecommunications Technology 33588 396 418 Bresnan Communications, LLC. 17488 388 565 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:61 9:1 12:1653 13:1 15:15 16:3 17:3 18:5 20:36 24:855 25:1 32:55 38:274 40:56 41:57 44:2 47:10 52:4 53:1 55:1 56:3 57:25 58:275 59:350 60:189 61:971 62:1058 63:1893 64:3174 65:2295 66:3089 67:692 68:652 69:1690 70:401 71:130 72:1110 74:121 75:49 76:16 80:823 81:762 82:628 83:329 84:478 85:774 86:404 87:458 88:256 89:717 90:2 91:107 97:1 121:114 122:50 123:8 124:503 125:728 128:304 129:219 130:133 131:315 132:49 133:9 134:177 135:43 136:174 137:114 138:189 139:51 140:526 141:134 142:347 143:213 144:263 145:67 146:312 147:141 148:361 149:171 150:111 151:117 152:89 153:118 154:5 155:246 156:150 157:151 158:166 159:138 160:99 161:97 162:224 163:160 164:240 165:237 166:243 167:282 168:481 169:123 170:362 171:12 172:1 189:29 190:297 192:5729 193:3624 194:2880 195:2174 196:929 198:3775 199:3272 200:4591 201:946 202:6927 203:7187 204:3961 205:2091 206:2430 207:2905 208:2368 209:3588 210:2250 211:881 212:1310 213:1443 214:387 215:39 216:4080 217:1167 218:343 219:265 220:833 221:378 222:266
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