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Routing Table Report 04:00 +10GMT Thu 23 Mar, 2006
Analysis Summary ----------------
BGP routing table entries examined: 184696 Prefixes after maximum aggregation: 102340 Unique aggregates announced to Internet: 89747 Total ASes present in the Internet Routing Table: 21786 Origin-only ASes present in the Internet Routing Table: 18923 Origin ASes announcing only one prefix: 9004 Transit ASes present in the Internet Routing Table: 2863 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 24 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: 13 Number of addresses announced to Internet: 1518168416 Equivalent to 90 /8s, 125 /16s and 105 /24s Percentage of available address space announced: 41.0 Percentage of allocated address space announced: 60.4 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 90369
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 38924 Total APNIC prefixes after maximum aggregation: 16294 Prefixes being announced from the APNIC address blocks: 36712 Unique aggregates announced from the APNIC address blocks: 17923 APNIC Region origin ASes present in the Internet Routing Table: 2517 APNIC Region origin ASes announcing only one prefix: 708 APNIC Region transit ASes present in the Internet Routing Table: 392 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 18 Number of APNIC addresses announced to Internet: 217970144 Equivalent to 12 /8s, 253 /16s and 245 /24s Percentage of available APNIC address space announced: 68.2
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: 96518 Total ARIN prefixes after maximum aggregation: 57076 Prefixes being announced from the ARIN address blocks: 75716 Unique aggregates announced from the ARIN address blocks: 28859 ARIN Region origin ASes present in the Internet Routing Table: 10593 ARIN Region origin ASes announcing only one prefix: 3961 ARIN Region transit ASes present in the Internet Routing Table: 977 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 293001216 Equivalent to 17 /8s, 118 /16s and 216 /24s Percentage of available ARIN address space announced: 72.8
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 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: 36714 Total RIPE prefixes after maximum aggregation: 24512 Prefixes being announced from the RIPE address blocks: 33741 Unique aggregates announced from the RIPE address blocks: 22747 RIPE Region origin ASes present in the Internet Routing Table: 7787 RIPE Region origin ASes announcing only one prefix: 4077 RIPE Region transit ASes present in the Internet Routing Table: 1306 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 242487040 Equivalent to 14 /8s, 116 /16s and 15 /24s Percentage of available RIPE address space announced: 72.3
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: 10450 Total LACNIC prefixes after maximum aggregation: 3572 Prefixes being announced from the LACNIC address blocks: 8622 Unique aggregates announced from the LACNIC address blocks: 5134 LACNIC Region origin ASes present in the Internet Routing Table: 676 LACNIC Region origin ASes announcing only one prefix: 215 LACNIC Region transit ASes present in the Internet Routing Table: 124 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 26009600 Equivalent to 1 /8s, 140 /16s and 224 /24s Percentage of available LACNIC address space announced: 38.8
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: 2009 Total AfriNIC prefixes after maximum aggregation: 886 Prefixes being announced from the AfriNIC address blocks: 1363 Unique aggregates announced from the AfriNIC address blocks: 904 AfriNIC Region origin ASes present in the Internet Routing Table: 147 AfriNIC Region origin ASes announcing only one prefix: 43 AfriNIC Region transit ASes present in the Internet Routing Table: 23 Average AfriNIC Region AS path length visible: 4.4 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 3941632 Equivalent to 0 /8s, 60 /16s and 37 /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 6944 210 CHINANET-BACKBONE 4755 879 258 68 Videsh Sanchar Nigam Ltd. Aut 9583 874 109 16 Sify Limited 4766 679 3923 301 Korea Telecom (KIX) 1221 658 1428 476 Telstra Pty Ltd 9498 561 212 72 BHARTI BT INTERNET LTD. 7545 525 108 71 TPG Internet Pty Ltd 17488 503 31 7 Hathway IP Over Cable Interne 17676 484 6997 107 Softbank BB Corp. 9443 414 95 82 Primus Telecommunications 4802 372 75 168 Wantree Development 2907 336 1749 312 SINET Japan 17974 332 89 30 PT TELEKOMUNIKASI INDONESIA 9929 328 218 53 China Netcom Corp. 18101 322 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 1505 6265 965 AT&T WorldNet Services 4323 1235 714 243 Time Warner Telecom 721 1011 21961 306 DLA Systems Automation Center 6197 1004 619 468 BellSouth Network Solutions, 174 963 5784 910 Cogent Communications 701 945 8064 781 UUNET Technologies, Inc. 18566 921 272 8 Covad Communications 2386 870 520 662 AT&T Data Communications Serv 1239 853 2789 601 Sprint 19029 782 152 112 New Edge Networks 209 697 3607 541 Qwest 20115 674 591 363 Charter Communications 19262 665 1956 154 Verizon Global Networks 22773 641 1480 40 Cox Communications, Inc. 11492 624 86 20 Cable One 7011 604 209 393 Citizens Utilities 6198 583 506 239 BellSouth Network Solutions, 852 577 1088 383 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 546 244 64 Canadian Research Network
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 585 1951 460 UUNET - Commercial IP service 3301 307 1071 292 TeliaNet Sweden 3352 306 1564 31 Ibernet, Internet Access Netw 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 228 89 200 Dynamic Network Technologies, 8708 217 276 202 Romania Data Systems S.A. 8551 202 197 23 Bezeq International 24863 200 40 9 LINKdotNET AS number 1257 197 710 172 SWIPnet Swedish IP Network 3269 193 2085 74 TELECOM ITALIA 3215 185 1534 87 France Telecom Transpac 786 171 1762 171 The JANET IP Service 8866 170 37 14 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 595 1050 225 UniNet S.A. de C.V. 22047 383 142 10 VTR PUNTO NET S.A. 11172 315 107 79 Servicios Alestra S.A de C.V 16814 276 18 7 NSS, S.A. 14117 185 12 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 19169 123 8 33 Telconet 10481 121 48 8 Prima S.A. 21826 120 16 19 INTERCABLE 6503 109 148 73 AVANTEL, S.A. 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 25620 97 6 3 COTAS LTDA 7315 96 6 3 Grupo Rey Moreno 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 162 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 74 50 7 RAYA Telecom - Egypt 20928 58 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 12455 38 6 3 Jambonet Autonomous system 15706 31 8 3 Sudatel Internet Exchange Aut 33774 29 7 20 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 24 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 1235 992 Time Warner Telecom 18566 921 913 Covad Communications 9583 874 858 Sify Limited 4755 879 811 Videsh Sanchar Nigam Ltd. Aut 4134 990 780 CHINANET-BACKBONE 721 1011 705 DLA Systems Automation Center 19029 782 670 New Edge Networks 11492 624 604 Cable One 22773 641 601 Cox Communications, Inc. 6197 1004 536 BellSouth Network Solutions, 19262 665 511 Verizon Global Networks 19916 563 509 OLM LLC 5668 524 499 CenturyTel Internet Holdings, 17488 503 496 Hathway IP Over Cable Interne 9498 561 489 BHARTI BT INTERNET LTD. 855 546 482 Canadian Research Network 7545 525 454 TPG Internet Pty Ltd 7757 473 454 AT&T Broadband 3602 538 429 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 125.64.6.0/24 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 137.0.0.0/8 14551 UUNET Technologies 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 192.175.15.0/24 4323 Time Warner Telecom
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:9 /10:8 /11:26 /12:87 /13:197 /14:353 /15:695 /16:8752 /17:3125 /18:5155 /19:11448 /20:12831 /21:11058 /22:14151 /23:15314 /24:100496 /25:336 /26:251 /27:233 /28:60 /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 798 1505 AT&T WorldNet Services 6197 794 1004 BellSouth Network Solutions, 19029 710 782 New Edge Networks 9583 693 874 Sify Limited 11492 615 624 Cable One 4323 598 1235 Time Warner Telecom 2386 594 870 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 518 604 Citizens Utilities 4766 488 679 Korea Telecom (KIX) 7757 455 473 AT&T Broadband 6198 441 583 BellSouth Network Solutions, 855 420 546 Canadian Research Network 5668 404 524 CenturyTel Internet Holdings, 1239 381 853 Sprint 702 368 585 UUNET - Commercial IP service 15270 354 384 PaeTec.net -a division of Pae 6517 347 377 Yipes Communications, Inc. 22773 336 641 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:38 12:1618 13:1 15:12 16:3 17:3 18:4 20:43 24:871 25:1 30:2 32:67 38:206 40:54 44:3 47:6 52:4 55:1 56:3 57:33 58:148 59:182 60:176 61:825 62:808 63:1924 64:3105 65:2224 66:3065 67:611 68:677 69:1400 70:310 71:63 72:647 73:23 74:24 80:751 81:615 82:545 83:368 84:363 85:487 86:376 87:257 88:46 89:94 124:194 125:280 128:160 129:174 130:108 131:316 132:33 133:8 134:149 135:42 136:171 137:68 138:191 139:74 140:489 141:137 142:393 143:156 144:233 145:40 146:320 147:134 148:336 149:188 150:114 151:79 152:64 153:106 154:6 155:194 156:95 157:119 158:166 159:165 160:86 161:69 162:218 163:144 164:179 165:179 166:147 167:238 168:477 169:135 170:321 171:12 172:1 190:37 192:5759 193:3402 194:2554 195:1796 196:773 198:3877 199:3261 200:4285 201:656 202:6549 203:6914 204:3924 205:2085 206:2422 207:2935 208:2019 209:3732 210:1932 211:817 212:1250 213:1471 214:342 215:42 216:4081 217:1163 218:257 219:179 220:651 221:373 222:160
End of report
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