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Routing Table Report 04:00 +10GMT Wed 05 Jul, 2006
Analysis Summary ----------------
BGP routing table entries examined: 191458 Prefixes after maximum aggregation: 105432 Unique aggregates announced to Internet: 93726 Total ASes present in the Internet Routing Table: 22583 Origin-only ASes present in the Internet Routing Table: 19653 Origin ASes announcing only one prefix: 9432 Transit ASes present in the Internet Routing Table: 2930 Transit-only ASes present in the Internet Routing Table: 64 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 24 Max AS path prepend of ASN (32609) 16 Prefixes from unregistered ASNs in the Routing Table: 2 Unregistered ASNs in the Routing Table: 2 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1538749864 Equivalent to 91 /8s, 183 /16s and 117 /24s Percentage of available address space announced: 41.5 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 94718
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 41307 Total APNIC prefixes after maximum aggregation: 16957 Prefixes being announced from the APNIC address blocks: 39015 Unique aggregates announced from the APNIC address blocks: 18472 APNIC Region origin ASes present in the Internet Routing Table: 2619 APNIC Region origin ASes announcing only one prefix: 741 APNIC Region transit ASes present in the Internet Routing Table: 395 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 234977376 Equivalent to 14 /8s, 1 /16s and 120 /24s Percentage of available APNIC address space announced: 73.5
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: 97714 Total ARIN prefixes after maximum aggregation: 58090 Prefixes being announced from the ARIN address blocks: 71579 Unique aggregates announced from the ARIN address blocks: 27034 ARIN Region origin ASes present in the Internet Routing Table: 10809 ARIN Region origin ASes announcing only one prefix: 4085 ARIN Region transit ASes present in the Internet Routing Table: 988 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 295033088 Equivalent to 17 /8s, 149 /16s and 217 /24s Percentage of available ARIN address space announced: 76.5
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, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 38438 Total RIPE prefixes after maximum aggregation: 25734 Prefixes being announced from the RIPE address blocks: 35486 Unique aggregates announced from the RIPE address blocks: 23925 RIPE Region origin ASes present in the Internet Routing Table: 8226 RIPE Region origin ASes announcing only one prefix: 4324 RIPE Region transit ASes present in the Internet Routing Table: 1356 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 23 Number of RIPE addresses announced to Internet: 255247428 Equivalent to 15 /8s, 54 /16s and 196 /24s Percentage of available RIPE address space announced: 80.1
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: 11712 Total LACNIC prefixes after maximum aggregation: 3751 Prefixes being announced from the LACNIC address blocks: 9827 Unique aggregates announced from the LACNIC address blocks: 5603 LACNIC Region origin ASes present in the Internet Routing Table: 707 LACNIC Region origin ASes announcing only one prefix: 239 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: 24 Number of LACNIC addresses announced to Internet: 28068352 Equivalent to 1 /8s, 172 /16s and 74 /24s Percentage of available LACNIC address space announced: 41.8
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: 2285 Total AfriNIC prefixes after maximum aggregation: 900 Prefixes being announced from the AfriNIC address blocks: 1549 Unique aggregates announced from the AfriNIC address blocks: 951 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: 25 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 11 Number of AfriNIC addresses announced to Internet: 4166400 Equivalent to 0 /8s, 63 /16s and 147 /24s Percentage of available AfriNIC address space announced: 12.4
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 1243 7286 225 CHINANET-BACKBONE 4755 946 258 75 Videsh Sanchar Nigam Ltd. Aut 9583 917 109 15 Sify Limited 9498 709 211 68 BHARTI BT INTERNET LTD. 4766 689 4435 303 Korea Telecom (KIX) 1221 610 1668 467 Telstra Pty Ltd 7545 544 122 70 TPG Internet Pty Ltd 17488 519 32 17 Hathway IP Over Cable Interne 17676 490 7093 110 Softbank BB Corp. 9443 452 111 83 Primus Telecommunications 18101 421 85 24 Reliance Infocom Ltd Internet 17849 388 28 122 Telecommunications Technology 17974 384 129 14 PT TELEKOMUNIKASI INDONESIA 17557 382 30 172 Pakistan Telecom 4802 381 81 168 Wantree Development 2907 335 1733 311 SINET Japan 9929 330 255 61 China Netcom Corp. 7474 299 211 229 SingTel Optus Pty Ltd 4837 280 3085 123 chinanet IDC center beijing n 10139 278 19 5 Meridian Telekoms
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1474 6261 941 AT&T WorldNet Services 4323 1332 747 266 Time Warner Telecom 721 1020 21998 314 DLA Systems Automation Center 6197 1015 636 477 BellSouth Network Solutions, 174 960 5771 894 Cogent Communications 701 946 6754 780 UUNET Technologies, Inc. 18566 945 272 8 Covad Communications 2386 918 561 712 AT&T Data Communications Serv 1239 842 2776 599 Sprint 19262 720 2168 188 Verizon Global Networks 20115 714 619 382 Charter Communications 209 697 3681 550 Qwest 22773 670 1741 40 Cox Communications, Inc. 7011 650 218 413 Citizens Utilities 11492 642 89 10 Cable One 6198 599 568 236 BellSouth Network Solutions, 852 582 1084 382 Telus Advanced Communications 855 573 247 74 Canadian Research Network 19916 563 49 54 OLM LLC 5668 529 147 23 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 565 1932 444 UUNET - Commercial IP service 3301 316 1314 301 TeliaNet Sweden 3352 305 1643 30 Ibernet, Internet Access Netw 3320 280 3988 235 Deutsche Telekom AG 8220 280 471 266 COLT Telecommunications 680 246 2041 243 DFN-IP service G-WiN 6746 232 89 207 Dynamic Network Technologies, 3246 230 463 220 Song Networks 24863 216 42 11 LINKdotNET AS number 8708 214 276 203 Romania Data Systems S.A. 8551 209 198 29 Bezeq International 3215 202 1728 96 France Telecom Transpac 3269 202 2184 73 TELECOM ITALIA 30890 200 18 77 SC Kappa Invexim SRL 1257 194 741 166 SWIPnet Swedish IP Network 8866 187 37 15 Bulgarian Telecommunication C 6830 175 813 37 UPC Distribution Services 3300 169 171 98 AUCS Communications Services 786 166 1762 166 The JANET IP Service 12479 161 322 5 Uni2 Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 714 1114 224 UniNet S.A. de C.V. 22047 419 174 11 VTR PUNTO NET S.A. 11172 356 113 86 Servicios Alestra S.A de C.V 16814 328 20 7 NSS, S.A. 6147 267 134 22 Telefonica Del Peru 14117 207 13 7 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 6503 177 150 81 AVANTEL, S.A. 7303 177 82 27 Telecom Argentina Stet-France 21826 133 17 23 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19429 130 68 43 E.T.B. 19169 128 8 29 Telconet 14259 119 10 15 GTD Internet S.A. 14522 117 18 9 SatNet S.A. 23216 113 21 9 RAMtelecom Telecomunicaciones 6505 109 88 79 Global One Communicaoes Ltda 7738 106 410 20 Telecomunicacoes da Bahia S.A 7910 105 7 10 ANDINET ON LINE 5639 103 12 9 Telecommunications Services o
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 287 803 234 The Internet Solution 8452 168 60 7 TEDATA 6713 154 135 11 Itissalat Al-MAGHRIB 2018 135 314 105 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 15475 112 84 4 Nile Online 33783 105 6 2 EEPAD TISP TELECOM & INTERNET 2905 69 139 60 The Internetworking Company o 20928 60 16 3 Noor Advanced Technologies AS 15706 44 8 3 Sudatel Internet Exchange Aut 5713 39 294 35 Telkom SA Ltd 33774 29 7 20 AS Number for Telecom Algeria 16637 25 18 23 Johnnic e-Ventures 23889 24 8 11 MAURITIUS TELECOM 12455 23 6 3 Jambonet Autonomous system 21280 23 4 4 Swift Global Kenya Ltd.Is an 8524 22 1 5 AUCEGYPT Autonomous System 10798 22 1 13 Standard Bank of South Africa 33766 21 2 1 Nyala Communications Pty Ltd
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1332 1066 Time Warner Telecom 4134 1243 1018 CHINANET-BACKBONE 18566 945 937 Covad Communications 9583 917 902 Sify Limited 4755 946 871 Videsh Sanchar Nigam Ltd. Aut 721 1020 706 DLA Systems Automation Center 9498 709 641 BHARTI BT INTERNET LTD. 11492 642 632 Cable One 22773 670 630 Cox Communications, Inc. 6197 1015 538 BellSouth Network Solutions, 19262 720 532 Verizon Global Networks 19916 563 509 OLM LLC 5668 529 506 CenturyTel Internet Holdings, 17488 519 502 Hathway IP Over Cable Interne 855 573 499 Canadian Research Network 8151 714 490 UniNet S.A. de C.V. 7545 544 474 TPG Internet Pty Ltd 3602 526 422 Sprint Canada, Inc. 22047 419 408 VTR PUNTO NET S.A. 15270 440 407 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65128 PRIVATE 193.110.50.0/24 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 183.206.196.0/24 2188 FR-RENATER-ASTER 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
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 /10:10 /11:28 /12:93 /13:201 /14:364 /15:714 /16:8862 /17:3288 /18:5414 /19:11816 /20:13431 /21:11713 /22:14833 /23:15983 /24:103595 /25:387 /26:294 /27:180 /28:65 /29:66 /30:55 /31:0 /32:40
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 928 945 Covad Communications 6197 795 1015 BellSouth Network Solutions, 7018 790 1474 AT&T WorldNet Services 9583 747 917 Sify Limited 4323 645 1332 Time Warner Telecom 2386 635 918 AT&T Data Communications Serv 11492 630 642 Cable One 7011 559 650 Citizens Utilities 19916 557 563 OLM LLC 4766 500 689 Korea Telecom (KIX) 855 447 573 Canadian Research Network 6198 441 599 BellSouth Network Solutions, 5668 412 529 CenturyTel Internet Holdings, 9498 411 709 BHARTI BT INTERNET LTD. 15270 409 440 PaeTec.net -a division of Pae 1239 386 842 Sprint 17849 382 388 Telecommunications Technology 4755 378 946 Videsh Sanchar Nigam Ltd. Aut 6517 365 396 Yipes Communications, Inc. 22773 352 670 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:41 12:1611 13:1 15:16 16:3 17:3 18:4 20:41 24:769 25:1 32:58 38:227 40:54 41:3 44:3 47:6 52:4 55:1 56:3 57:24 58:188 59:246 60:186 61:869 62:798 63:1885 64:3173 65:2246 66:3114 67:620 68:673 69:1519 70:388 71:85 72:798 74:52 75:1 80:779 81:651 82:627 83:390 84:381 85:567 86:393 87:394 88:107 89:316 121:1 122:2 123:1 124:263 125:526 128:140 129:189 130:119 131:312 132:34 133:8 134:160 135:48 136:178 137:83 138:204 139:54 140:485 141:134 142:385 143:168 144:224 145:39 146:320 147:137 148:342 149:190 150:114 151:94 152:69 153:106 154:5 155:206 156:185 157:145 158:166 159:172 160:91 161:77 162:244 163:159 164:187 165:217 166:172 167:241 168:495 169:128 170:352 171:14 183:1 190:82 192:5729 193:3365 194:2641 195:1946 196:873 198:3952 199:3231 200:4507 201:997 202:6732 203:7055 204:3899 205:2048 206:2429 207:2918 208:2179 209:3397 210:2050 211:711 212:1258 213:1486 214:359 215:41 216:4005 217:1171 218:295 219:240 220:731 221:364 222:190
End of report
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