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Routing Table Report 04:00 +10GMT Thu 03 Aug, 2006
Analysis Summary ----------------
BGP routing table entries examined: 193961 Prefixes after maximum aggregation: 106687 Unique aggregates announced to Internet: 94871 Total ASes present in the Internet Routing Table: 22790 Origin-only ASes present in the Internet Routing Table: 19826 Origin ASes announcing only one prefix: 9498 Transit ASes present in the Internet Routing Table: 2964 Transit-only ASes present in the Internet Routing Table: 66 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 24 Max AS path prepend of ASN (24076) 20 Prefixes from unregistered ASNs in the Routing Table: 22 Unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1560110252 Equivalent to 92 /8s, 253 /16s and 100 /24s Percentage of available address space announced: 42.1 Percentage of allocated address space announced: 60.9 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 96186
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 42411 Total APNIC prefixes after maximum aggregation: 17498 Prefixes being announced from the APNIC address blocks: 40109 Unique aggregates announced from the APNIC address blocks: 18723 APNIC Region origin ASes present in the Internet Routing Table: 2664 APNIC Region origin ASes announcing only one prefix: 753 APNIC Region transit ASes present in the Internet Routing Table: 398 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 243959392 Equivalent to 14 /8s, 138 /16s and 134 /24s Percentage of available APNIC address space announced: 76.3
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: 98316 Total ARIN prefixes after maximum aggregation: 58481 Prefixes being announced from the ARIN address blocks: 72081 Unique aggregates announced from the ARIN address blocks: 27242 ARIN Region origin ASes present in the Internet Routing Table: 10857 ARIN Region origin ASes announcing only one prefix: 4093 ARIN Region transit ASes present in the Internet Routing Table: 1008 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 298648320 Equivalent to 17 /8s, 205 /16s and 3 /24s Percentage of available ARIN address space announced: 77.4
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, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 38928 Total RIPE prefixes after maximum aggregation: 26081 Prefixes being announced from the RIPE address blocks: 35912 Unique aggregates announced from the RIPE address blocks: 24223 RIPE Region origin ASes present in the Internet Routing Table: 8332 RIPE Region origin ASes announcing only one prefix: 4372 RIPE Region transit ASes present in the Internet Routing Table: 1372 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 261103940 Equivalent to 15 /8s, 144 /16s and 33 /24s Percentage of available RIPE address space announced: 81.9
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 40960-41983 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 12047 Total LACNIC prefixes after maximum aggregation: 3716 Prefixes being announced from the LACNIC address blocks: 10134 Unique aggregates announced from the LACNIC address blocks: 5780 LACNIC Region origin ASes present in the Internet Routing Table: 713 LACNIC Region origin ASes announcing only one prefix: 237 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 31419392 Equivalent to 1 /8s, 223 /16s and 108 /24s Percentage of available LACNIC address space announced: 46.8
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: 2237 Total AfriNIC prefixes after maximum aggregation: 911 Prefixes being announced from the AfriNIC address blocks: 1550 Unique aggregates announced from the AfriNIC address blocks: 971 AfriNIC Region origin ASes present in the Internet Routing Table: 158 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4196352 Equivalent to 0 /8s, 64 /16s and 8 /24s Percentage of available AfriNIC address space announced: 12.5
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 1288 7914 238 CHINANET-BACKBONE 4755 956 255 69 Videsh Sanchar Nigam Ltd. Aut 9583 940 109 15 Sify Limited 9498 762 211 70 BHARTI BT INTERNET LTD. 4766 699 4435 302 Korea Telecom (KIX) 1221 608 1779 466 Telstra Pty Ltd 7545 551 124 72 TPG Internet Pty Ltd 17488 519 32 17 Hathway IP Over Cable Interne 17676 490 7093 110 Softbank BB Corp. 9443 449 111 83 Primus Telecommunications 18101 434 85 22 Reliance Infocom Ltd Internet 4812 416 740 61 China Telecom (Shanghai) 17849 410 30 122 Telecommunications Technology 17557 378 30 177 Pakistan Telecom 4802 377 81 166 Wantree Development 17974 369 129 14 PT TELEKOMUNIKASI INDONESIA 2907 336 1733 311 SINET Japan 4837 302 3447 132 chinanet IDC center beijing n 7474 294 211 228 SingTel Optus Pty Ltd 10139 274 23 6 Meridian Telekoms
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1485 6256 954 AT&T WorldNet Services 6197 1018 635 477 BellSouth Network Solutions, 721 1010 21926 312 DLA Systems Automation Center 701 964 6769 789 UUNET Technologies, Inc. 4323 963 746 272 Time Warner Telecom 18566 951 272 8 Covad Communications 174 938 5769 887 Cogent Communications 2386 914 559 704 AT&T Data Communications Serv 1239 857 2783 604 Sprint 19262 728 2228 187 Verizon Global Networks 11492 720 89 15 Cable One 20115 717 624 383 Charter Communications 209 699 3663 547 Qwest 22773 680 1741 41 Cox Communications, Inc. 7011 655 218 414 Citizens Utilities 6198 598 556 237 BellSouth Network Solutions, 852 580 1068 380 Telus Advanced Communications 855 567 247 74 Canadian Research Network 19916 563 49 54 OLM LLC 5668 544 146 40 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 561 1932 441 UUNET - Commercial IP service 3301 316 1187 301 TeliaNet Sweden 3320 293 5013 238 Deutsche Telekom AG 8220 281 471 267 COLT Telecommunications 680 246 2041 243 DFN-IP service G-WiN 6746 241 90 219 Dynamic Network Technologies, 24863 239 42 11 LINKdotNET AS number 3246 230 462 220 Song Networks 8708 215 278 203 Romania Data Systems S.A. 3215 204 1760 97 France Telecom Transpac 3269 203 2246 73 TELECOM ITALIA 8551 202 182 27 Bezeq International 30890 202 19 82 SC Kappa Invexim SRL 1257 195 742 167 SWIPnet Swedish IP Network 8866 188 37 15 Bulgarian Telecommunication C 5416 179 12 11 BATELCO-BH 6830 177 813 37 UPC Distribution Services 3300 171 171 98 AUCS Communications Services 786 169 1778 169 The JANET IP Service 9121 167 931 31 TTnet Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 776 1803 229 UniNet S.A. de C.V. 22047 424 206 11 VTR PUNTO NET S.A. 11172 360 113 86 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 273 134 22 Telefonica Del Peru 6471 254 74 28 ENTEL CHILE S.A. 14117 217 13 7 Telefonica del Sur S.A. 6503 182 151 83 AVANTEL, S.A. 7303 181 84 29 Telecom Argentina Stet-France 10481 181 72 8 Prima S.A. 21826 133 17 22 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19429 131 84 45 E.T.B. 19169 128 8 25 Telconet 14522 123 18 9 SatNet S.A. 7910 120 8 20 ANDINET ON LINE 14259 113 10 15 GTD Internet S.A. 23216 113 21 9 RAMtelecom Telecomunicaciones 7738 111 410 20 Telecomunicacoes da Bahia S.A 6505 109 88 79 Global One Communicaoes Ltda
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 284 803 231 The Internet Solution 8452 170 60 7 TEDATA 6713 144 135 11 Itissalat Al-MAGHRIB 2018 134 298 111 Tertiary Education Network 15475 133 84 4 Nile Online 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 106 6 2 EEPAD TISP TELECOM & INTERNET 2905 79 159 70 The Internetworking Company o 15706 44 8 3 Sudatel Internet Exchange Aut 5713 39 294 35 Telkom SA Ltd 33774 30 7 21 AS Number for Telecom Algeria 16637 25 18 23 Johnnic e-Ventures 23889 24 8 11 MAURITIUS TELECOM 10798 23 1 14 Standard Bank of South Africa 8524 22 1 5 AUCEGYPT Autonomous System 21280 21 4 4 Swift Global Kenya Ltd.Is an 33766 21 2 1 Nyala Communications Pty Ltd 21491 20 17 2 UTL On-line is RF broadband I 2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1288 1050 CHINANET-BACKBONE 18566 951 943 Covad Communications 9583 940 925 Sify Limited 4755 956 887 Videsh Sanchar Nigam Ltd. Aut 11492 720 705 Cable One 721 1010 698 DLA Systems Automation Center 9498 762 692 BHARTI BT INTERNET LTD. 4323 963 691 Time Warner Telecom 22773 680 639 Cox Communications, Inc. 8151 776 547 UniNet S.A. de C.V. 6197 1018 541 BellSouth Network Solutions, 19262 728 541 Verizon Global Networks 19916 563 509 OLM LLC 5668 544 504 CenturyTel Internet Holdings, 17488 519 502 Hathway IP Over Cable Interne 855 567 493 Canadian Research Network 7545 551 479 TPG Internet Pty Ltd 15270 453 420 PaeTec.net -a division of Pae 3602 521 416 Sprint Canada, Inc. 22047 424 413 VTR PUNTO NET S.A.
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin 65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin 65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin 65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin 65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 198.18.1.0/24 3301 TeliaNet Sweden
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 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 192.84.205.0/24 719 LANLINK autonomous system 192.172.0.0/19 721 DLA Systems Automation Center 192.249.0.0/20 3450 University of Tennessee, Knox
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:9 /10:11 /11:28 /12:97 /13:205 /14:374 /15:732 /16:8935 /17:3392 /18:5521 /19:12011 /20:13581 /21:11851 /22:15043 /23:16232 /24:104826 /25:377 /26:296 /27:195 /28:64 /29:39 /30:79 /31:0 /32:46
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 934 951 Covad Communications 6197 798 1018 BellSouth Network Solutions, 7018 783 1485 AT&T WorldNet Services 9583 771 940 Sify Limited 11492 708 720 Cable One 2386 632 914 AT&T Data Communications Serv 7011 563 655 Citizens Utilities 19916 557 563 OLM LLC 4766 510 699 Korea Telecom (KIX) 9498 444 762 BHARTI BT INTERNET LTD. 855 441 567 Canadian Research Network 6198 441 598 BellSouth Network Solutions, 5668 427 544 CenturyTel Internet Holdings, 15270 422 453 PaeTec.net -a division of Pae 1239 402 857 Sprint 4755 398 956 Videsh Sanchar Nigam Ltd. Aut 17849 397 410 Telecommunications Technology 6517 382 415 Yipes Communications, Inc. 18101 370 434 Reliance Infocom Ltd Internet 22773 359 680 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:50 12:1596 13:1 15:15 16:3 17:3 18:4 20:41 24:805 25:1 32:58 38:240 40:53 41:10 44:3 45:8 47:6 52:4 55:1 56:3 57:26 58:206 59:248 60:187 61:919 62:822 63:1889 64:3089 65:2256 66:2972 67:630 68:676 69:1569 70:393 71:87 72:868 74:62 75:1 80:751 81:667 82:637 83:404 84:397 85:566 86:399 87:454 88:140 89:374 91:1 121:13 122:3 123:1 124:342 125:573 128:155 129:188 130:118 131:317 132:34 133:8 134:160 135:49 136:177 137:85 138:212 139:46 140:492 141:137 142:375 143:185 144:238 145:40 146:317 147:140 148:352 149:188 150:114 151:97 152:71 153:117 154:5 155:213 156:179 157:139 158:167 159:173 160:93 161:77 162:245 163:165 164:238 165:223 166:182 167:244 168:484 169:125 170:354 171:14 190:96 192:5737 193:3395 194:2690 195:2012 196:865 198:3902 199:3294 200:4637 201:1031 202:6786 203:7062 204:3896 205:2029 206:2425 207:2931 208:2216 209:3421 210:2153 211:826 212:1246 213:1431 214:362 215:41 216:4028 217:1149 218:318 219:246 220:744 221:375 222:214
End of report
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