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Routing Table Report 04:00 +10GMT Tue 21 Mar, 2006
Analysis Summary ----------------
BGP routing table entries examined: 184590 Prefixes after maximum aggregation: 102251 Unique aggregates announced to Internet: 89851 Total ASes present in the Internet Routing Table: 21783 Origin-only ASes present in the Internet Routing Table: 18925 Origin ASes announcing only one prefix: 9002 Transit ASes present in the Internet Routing Table: 2858 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 22 Prefixes from unregistered ASNs in the Routing Table: 75 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1511542880 Equivalent to 90 /8s, 24 /16s and 80 /24s Percentage of available address space announced: 40.8 Percentage of allocated address space announced: 60.2 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90277
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38880 Total APNIC prefixes after maximum aggregation: 16257 Prefixes being announced from the APNIC address blocks: 36675 Unique aggregates announced from the APNIC address blocks: 17825 APNIC Region origin ASes present in the Internet Routing Table: 2508 APNIC Region origin ASes announcing only one prefix: 705 APNIC Region transit ASes present in the Internet Routing Table: 389 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 217788896 Equivalent to 12 /8s, 251 /16s and 49 /24s Percentage of available APNIC address space announced: 68.1
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: 96512 Total ARIN prefixes after maximum aggregation: 57049 Prefixes being announced from the ARIN address blocks: 75706 Unique aggregates announced from the ARIN address blocks: 28890 ARIN Region origin ASes present in the Internet Routing Table: 10596 ARIN Region origin ASes announcing only one prefix: 3959 ARIN Region transit ASes present in the Internet Routing Table: 975 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 291326976 Equivalent to 17 /8s, 93 /16s and 76 /24s Percentage of available ARIN address space announced: 72.4
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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 36637 Total RIPE prefixes after maximum aggregation: 24490 Prefixes being announced from the RIPE address blocks: 33672 Unique aggregates announced from the RIPE address blocks: 22741 RIPE Region origin ASes present in the Internet Routing Table: 7791 RIPE Region origin ASes announcing only one prefix: 4079 RIPE Region transit ASes present in the Internet Routing Table: 1302 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 242400256 Equivalent to 14 /8s, 114 /16s and 188 /24s Percentage of available RIPE address space announced: 72.2
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 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 10487 Total LACNIC prefixes after maximum aggregation: 3570 Prefixes being announced from the LACNIC address blocks: 8664 Unique aggregates announced from the LACNIC address blocks: 5139 LACNIC Region origin ASes present in the Internet Routing Table: 675 LACNIC Region origin ASes announcing only one prefix: 215 LACNIC Region transit ASes present in the Internet Routing Table: 125 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 25946112 Equivalent to 1 /8s, 139 /16s and 232 /24s Percentage of available LACNIC address space announced: 38.7
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: 1993 Total AfriNIC prefixes after maximum aggregation: 885 Prefixes being announced from the AfriNIC address blocks: 1351 Unique aggregates announced from the AfriNIC address blocks: 894 AfriNIC Region origin ASes present in the Internet Routing Table: 146 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 3935744 Equivalent to 0 /8s, 60 /16s and 14 /24s Percentage of available AfriNIC address space announced: 11.7
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 990 6937 210 CHINANET-BACKBONE 4755 877 258 68 Videsh Sanchar Nigam Ltd. Aut 9583 873 109 16 Sify Limited 4766 677 3923 302 Korea Telecom (KIX) 1221 652 1428 471 Telstra Pty Ltd 9498 561 212 72 BHARTI BT INTERNET LTD. 7545 523 108 70 TPG Internet Pty Ltd 17488 505 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 414 95 82 Primus Telecommunications 4802 373 75 169 Wantree Development 2907 336 1749 312 SINET Japan 17974 334 89 32 PT TELEKOMUNIKASI INDONESIA 9929 331 218 53 China Netcom Corp. 18101 326 68 23 Reliance Infocom Ltd Internet 17557 319 25 163 Pakistan Telecom 17849 315 20 104 Telecommunications Technology 7474 304 211 232 SingTel Optus Pty Ltd 4780 279 226 16 Digital United Inc. 9837 272 78 168 Powertel Ltd
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1501 6265 964 AT&T WorldNet Services 4323 1232 714 239 Time Warner Telecom 721 1005 21946 307 DLA Systems Automation Center 6197 1004 619 468 BellSouth Network Solutions, 174 966 5784 913 Cogent Communications 701 940 8064 778 UUNET Technologies, Inc. 18566 921 272 8 Covad Communications 2386 870 520 662 AT&T Data Communications Serv 1239 852 2789 601 Sprint 19029 782 152 112 New Edge Networks 209 696 3607 540 Qwest 20115 671 587 361 Charter Communications 19262 664 1955 153 Verizon Global Networks 22773 641 1480 40 Cox Communications, Inc. 11492 636 86 20 Cable One 7011 602 209 391 Citizens Utilities 6198 579 502 237 BellSouth Network Solutions, 852 577 1088 383 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 545 244 64 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 584 1951 459 UUNET - Commercial IP service 3352 307 1564 31 Ibernet, Internet Access Netw 3301 306 1071 291 TeliaNet Sweden 8220 289 473 268 COLT Telecommunications 3320 280 3477 232 Deutsche Telekom AG 680 244 2025 241 DFN-IP service G-WiN 3246 231 488 221 Song Networks 6746 226 88 198 Dynamic Network Technologies, 8708 217 276 202 Romania Data Systems S.A. 8551 202 197 23 Bezeq International 24863 198 40 9 LINKdotNET AS number 1257 197 710 172 SWIPnet Swedish IP Network 3269 194 2085 75 TELECOM ITALIA 3215 184 1526 87 France Telecom Transpac 786 172 1794 172 The JANET IP Service 8866 169 37 13 Bulgarian Telecommunication C 5400 167 328 136 BT Ignite European Backbone 6830 166 765 35 UPC Distribution Services 9121 162 931 27 TTnet Autonomous System 5515 161 839 120 Sonera Solution Autonomous Sy
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 594 1050 224 UniNet S.A. de C.V. 22047 384 142 10 VTR PUNTO NET S.A. 11172 315 107 79 Servicios Alestra S.A de C.V 16814 286 18 7 NSS, S.A. 14117 184 11 6 Telefonica del Sur S.A. 7303 160 75 21 Telecom Argentina Stet-France 6147 154 126 22 Telefonica Del Peru 11556 132 80 4 Cable-Wireless Panama 5639 127 12 9 Telecommunications Services o 6503 123 149 76 AVANTEL, S.A. 19169 123 8 33 Telconet 10481 121 48 8 Prima S.A. 21826 120 16 19 INTERCABLE 6505 106 88 78 Global One Communicaoes Ltda 14522 100 13 5 SatNet S.A. 23216 100 20 7 RAMtelecom Telecomunicaciones 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 25620 96 6 3 COTAS LTDA 19429 95 52 42 E.T.B.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 277 803 233 The Internet Solution 8452 163 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 2018 124 314 105 Tertiary Education Network 15475 123 84 4 Nile Online 5536 122 8 18 Internet Egypt Network 2905 74 155 67 The Internetworking Company o 24835 62 50 7 RAYA Telecom - Egypt 20928 58 16 2 Noor Advanced Technologies AS 12455 40 6 3 Jambonet Autonomous system 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 21 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 25 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 8346 20 13 17 SONATEL-AS Autonomous System 21280 20 5 5 Swift Global Kenya Ltd.Is an 2561 19 6 2 Egyptian Universities Network
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1232 993 Time Warner Telecom 18566 921 913 Covad Communications 9583 873 857 Sify Limited 4755 877 809 Videsh Sanchar Nigam Ltd. Aut 4134 990 780 CHINANET-BACKBONE 721 1005 698 DLA Systems Automation Center 19029 782 670 New Edge Networks 11492 636 616 Cable One 22773 641 601 Cox Communications, Inc. 6197 1004 536 BellSouth Network Solutions, 19262 664 511 Verizon Global Networks 19916 563 509 OLM LLC 5668 523 498 CenturyTel Internet Holdings, 17488 505 498 Hathway IP Over Cable Interne 9498 561 489 BHARTI BT INTERNET LTD. 855 545 481 Canadian Research Network 7757 473 454 AT&T Broadband 7545 523 453 TPG Internet Pty Ltd 3602 537 428 Sprint Canada, Inc. 812 438 410 Rogers WAVE
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65211 PRIVATE 61.139.76.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.139.77.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.9.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.176.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.177.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.178.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 61.188.179.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.1.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.6.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.14.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.15.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.30.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.32.0/21 4134 CHINANET-BACKBONE 65211 PRIVATE 125.64.40.0/26 4134 CHINANET-BACKBONE 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 65211 PRIVATE 202.98.123.0/24 4134 CHINANET-BACKBONE 65505 PRIVATE 206.252.200.192/27 8002 Stealth Communicatio 65211 PRIVATE 218.6.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.172.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.173.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.174.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.175.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.196.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.197.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.6.198.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.166.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.167.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.168.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.169.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.170.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.171.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 218.89.172.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.0.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.1.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.2.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.3.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.4.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.5.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.6.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.7.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.8.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.9.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.10.0/27 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.11.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.12.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.13.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.14.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.17.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.18.0/23 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.20.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.21.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.128/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.22.192/26 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.23.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.24.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.0/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.25.128/25 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.26.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.27.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.28.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 221.236.29.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.211.63.0/24 4134 CHINANET-BACKBONE 65211 PRIVATE 222.213.0.0/24 4134 CHINANET-BACKBONE
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 192.72.0.0/18 4780 Digital United Inc. 192.72.0.0/16 4780 Digital United Inc. 192.84.205.0/24 719 LANLINK autonomous system 192.119.135.0/24 270 NASA 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 /8:18 /9:9 /10:8 /11:25 /12:87 /13:198 /14:353 /15:695 /16:8753 /17:3123 /18:5151 /19:11436 /20:12837 /21:11027 /22:14162 /23:15319 /24:100441 /25:337 /26:247 /27:208 /28:64 /29:25 /30:35 /31:0 /32:32
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 904 921 Covad Communications 7018 795 1501 AT&T WorldNet Services 6197 794 1004 BellSouth Network Solutions, 19029 710 782 New Edge Networks 9583 692 873 Sify Limited 11492 627 636 Cable One 4323 595 1232 Time Warner Telecom 2386 594 870 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 516 602 Citizens Utilities 4766 486 677 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 439 579 BellSouth Network Solutions, 855 419 545 Canadian Research Network 5668 404 523 CenturyTel Internet Holdings, 1239 380 852 Sprint 702 368 584 UUNET - Commercial IP service 15270 354 384 PaeTec.net -a division of Pae 6517 346 376 Yipes Communications, Inc. 22773 336 641 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:38 12:1620 13:1 15:12 16:3 17:3 18:4 20:43 24:872 25:1 30:2 32:67 38:204 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:148 59:181 60:179 61:822 62:805 63:1922 64:3118 65:2228 66:3061 67:613 68:680 69:1405 70:312 71:62 72:645 73:23 74:24 80:756 81:597 82:532 83:367 84:340 85:489 86:376 87:256 88:46 89:75 124:190 125:279 128:153 129:174 130:103 131:317 132:33 133:8 134:147 135:47 136:175 137:65 138:186 139:74 140:488 141:137 142:393 143:156 144:231 145:40 146:318 147:134 148:336 149:189 150:114 151:78 152:64 153:106 154:6 155:194 156:95 157:119 158:166 159:167 160:89 161:69 162:218 163:143 164:179 165:177 166:148 167:239 168:476 169:134 170:320 171:12 172:1 190:37 192:5770 193:3401 194:2542 195:1794 196:765 198:3881 199:3260 200:4310 201:662 202:6559 203:6882 204:3918 205:2087 206:2421 207:2933 208:2022 209:3725 210:1933 211:814 212:1277 213:1477 214:342 215:42 216:4083 217:1161 218:257 219:177 220:651 221:372 222:160
End of report
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