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Routing Table Report 04:00 +10GMT Fri 27 Jan, 2006
Analysis Summary ----------------
BGP routing table entries examined: 179732 Prefixes after maximum aggregation: 100545 Unique aggregates announced to Internet: 87407 Total ASes present in the Internet Routing Table: 21387 Origin-only ASes present in the Internet Routing Table: 18591 Origin ASes announcing only one prefix: 8815 Transit ASes present in the Internet Routing Table: 2796 Transit-only ASes present in the Internet Routing Table: 76 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: 1 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 12 Number of addresses announced to Internet: 1484330272 Equivalent to 88 /8s, 121 /16s and 21 /24s Percentage of available address space announced: 40.0 Percentage of allocated address space announced: 59.1 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 87046
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 37775 Total APNIC prefixes after maximum aggregation: 15930 Prefixes being announced from the APNIC address blocks: 35567 Unique aggregates announced from the APNIC address blocks: 17339 APNIC Region origin ASes present in the Internet Routing Table: 2463 APNIC Region origin ASes announcing only one prefix: 693 APNIC Region transit ASes present in the Internet Routing Table: 382 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 21 Number of APNIC addresses announced to Internet: 211401184 Equivalent to 12 /8s, 153 /16s and 185 /24s Percentage of available APNIC address space announced: 66.1
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: 94465 Total ARIN prefixes after maximum aggregation: 56379 Prefixes being announced from the ARIN address blocks: 73766 Unique aggregates announced from the ARIN address blocks: 28182 ARIN Region origin ASes present in the Internet Routing Table: 10470 ARIN Region origin ASes announcing only one prefix: 3905 ARIN Region transit ASes present in the Internet Routing Table: 972 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 283873792 Equivalent to 16 /8s, 235 /16s and 146 /24s Percentage of available ARIN address space announced: 70.5
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 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: 35367 Total RIPE prefixes after maximum aggregation: 23873 Prefixes being announced from the RIPE address blocks: 32370 Unique aggregates announced from the RIPE address blocks: 21735 RIPE Region origin ASes present in the Internet Routing Table: 7567 RIPE Region origin ASes announcing only one prefix: 3955 RIPE Region transit ASes present in the Internet Routing Table: 1249 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 230528640 Equivalent to 13 /8s, 189 /16s and 150 /24s Percentage of available RIPE address space announced: 68.7
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: 10269 Total LACNIC prefixes after maximum aggregation: 3489 Prefixes being announced from the LACNIC address blocks: 8449 Unique aggregates announced from the LACNIC address blocks: 5054 LACNIC Region origin ASes present in the Internet Routing Table: 666 LACNIC Region origin ASes announcing only one prefix: 218 LACNIC Region transit ASes present in the Internet Routing Table: 122 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 24819200 Equivalent to 1 /8s, 122 /16s and 182 /24s Percentage of available LACNIC address space announced: 37.0
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: 1849 Total AfriNIC prefixes after maximum aggregation: 874 Prefixes being announced from the AfriNIC address blocks: 1230 Unique aggregates announced from the AfriNIC address blocks: 864 AfriNIC Region origin ASes present in the Internet Routing Table: 145 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: 4.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 3046656 Equivalent to 0 /8s, 46 /16s and 125 /24s Percentage of available AfriNIC address space announced: 9.1
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 982 6462 204 CHINANET-BACKBONE 9583 846 109 15 Sify Limited 4755 790 258 63 Videsh Sanchar Nigam Ltd. Aut 4766 720 3930 304 Korea Telecom (KIX) 1221 667 1428 474 Telstra Pty Ltd 7545 516 108 70 TPG Internet Pty Ltd 9498 513 211 69 BHARTI BT INTERNET LTD. 17676 480 6949 104 Softbank BB Corp. 17488 435 26 9 Hathway IP Over Cable Interne 9443 411 94 85 Primus Telecommunications 4802 366 75 159 Wantree Development 2907 338 1763 315 SINET Japan 9929 335 218 50 China Netcom Corp. 7474 330 227 228 SingTel Optus Pty Ltd 18101 330 68 23 Reliance Infocom Ltd Internet 17974 318 77 37 PT TELEKOMUNIKASI INDONESIA 17557 310 24 159 Pakistan Telecom 4780 282 226 16 Digital United Inc. 9837 271 78 169 Powertel Ltd 9800 259 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1471 6248 955 AT&T WorldNet Services 4323 1208 724 236 Time Warner Telecom 174 1036 5791 947 Cogent Communications 721 1028 21938 308 DLA Systems Automation Center 6197 985 593 475 BellSouth Network Solutions, 701 963 8083 806 UUNET Technologies, Inc. 18566 894 272 8 Covad Communications 2386 883 501 691 AT&T Data Communications Serv 1239 849 2792 602 Sprint 20115 668 545 348 Charter Communications 209 663 3604 529 Qwest 11492 632 89 12 Cable One 22773 610 1478 33 Cox Communications, Inc. 19262 603 1742 146 Verizon Global Networks 852 569 1092 379 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 559 242 59 Canadian Research Network 6478 537 1517 298 AT&T Worldnet Services 3602 522 127 106 Sprint Canada, Inc. 5668 522 143 24 CenturyTel Internet Holdings,
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 587 1954 464 UUNET - Commercial IP service 3352 303 1500 34 Ibernet, Internet Access Netw 3301 302 1071 288 TeliaNet Sweden 3320 281 3485 235 Deutsche Telekom AG 8220 275 474 269 COLT Telecommunications 680 248 2025 239 DFN-IP service G-WiN 3246 228 487 218 Song Networks 8708 222 274 206 Romania Data Systems S.A. 6746 218 85 188 Dynamic Network Technologies, 1257 195 712 173 SWIPnet Swedish IP Network 3269 185 1925 70 TELECOM ITALIA 5515 180 840 127 Sonera Solution Autonomous Sy 786 174 1795 174 The JANET IP Service 8866 171 37 13 Bulgarian Telecommunication C 24863 168 38 9 LINKdotNET AS number 3215 167 1366 81 France Telecom Transpac 5400 166 328 136 BT Ignite European Backbone 3300 164 170 93 AUCS Communications Services 6830 159 669 33 UPC Distribution Services 12479 157 322 5 Uni2 Autonomous System
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 557 1048 214 UniNet S.A. de C.V. 22047 379 141 44 VTR PUNTO NET S.A. 11172 300 110 78 Servicios Alestra S.A de C.V 16814 297 18 7 NSS, S.A. 13999 183 51 46 Mega Cable S.A. de C.V. 14117 181 11 6 Telefonica del Sur S.A. 7303 153 73 18 Telecom Argentina Stet-France 6147 150 118 21 Telefonica Del Peru 11556 130 64 3 Cable-Wireless Panama 19169 123 8 30 Telconet 10481 121 48 8 Prima S.A. 6503 116 148 77 AVANTEL, S.A. 21826 113 14 19 INTERCABLE 5639 112 12 9 Telecommunications Services o 6505 108 88 80 Global One Communicaoes Ltda 18822 99 8 10 TELEFONICA MANQUEHUE 7315 96 6 3 Grupo Rey Moreno 19429 96 52 49 E.T.B. 4270 94 17 9 Red de Interconexion Universi 11311 94 8 23 Sinectis S.A.
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 277 819 233 The Internet Solution 8452 151 60 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 76 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 24835 73 34 6 RAYA Telecom - Egypt 6713 68 71 10 Itissalat Al-MAGHRIB 20928 60 16 2 Noor Advanced Technologies AS 5713 38 166 34 Telkom SA Ltd 33774 36 9 27 AS Number for Telecom Algeria 15706 31 8 3 Sudatel Internet Exchange Aut 23889 25 7 10 MAURITIUS TELECOM 8524 23 1 4 AUCEGYPT Autonomous System 16637 23 10 21 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 12455 21 6 5 Jambonet Autonomous system 21280 21 4 4 Swift Global Kenya Ltd.Is an 8346 20 14 19 SONATEL-AS Autonomous System 12258 17 3 11 Vodacom Internet Company
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1208 972 Time Warner Telecom 18566 894 886 Covad Communications 9583 846 831 Sify Limited 4134 982 778 CHINANET-BACKBONE 4755 790 727 Videsh Sanchar Nigam Ltd. Aut 721 1028 720 DLA Systems Automation Center 11492 632 620 Cable One 22773 610 577 Cox Communications, Inc. 6197 985 510 BellSouth Network Solutions, 19916 563 509 OLM LLC 855 559 500 Canadian Research Network 5668 522 498 CenturyTel Internet Holdings, 19262 603 457 Verizon Global Networks 7545 516 446 TPG Internet Pty Ltd 9498 513 444 BHARTI BT INTERNET LTD. 17488 435 426 Hathway IP Over Cable Interne 4766 720 416 Korea Telecom (KIX) 3602 522 416 Sprint Canada, Inc. 812 438 410 Rogers WAVE 17676 480 376 Softbank BB Corp.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt
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 192.43.230.0/24 7575 Australian Academic and Rease 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 /9:5 /10:8 /11:20 /12:87 /13:197 /14:350 /15:687 /16:8668 /17:2982 /18:4985 /19:11222 /20:12405 /21:10780 /22:13783 /23:14975 /24:97560 /25:313 /26:265 /27:238 /28:62 /29:25 /30:55 /31:3 /32:39
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 877 894 Covad Communications 6197 784 985 BellSouth Network Solutions, 7018 746 1471 AT&T WorldNet Services 9583 665 846 Sify Limited 11492 623 632 Cable One 2386 617 883 AT&T Data Communications Serv 4323 582 1208 Time Warner Telecom 19916 557 563 OLM LLC 4766 520 720 Korea Telecom (KIX) 855 445 559 Canadian Research Network 5668 410 522 CenturyTel Internet Holdings, 7011 405 471 Citizens Utilities 702 374 587 UUNET - Commercial IP service 1239 367 849 Sprint 6198 357 492 BellSouth Network Solutions, 6517 343 371 Yipes Communications, Inc. 15270 338 366 PaeTec.net -a division of Pae 7757 322 340 AT&T Broadband 812 317 438 Rogers WAVE 22773 317 610 Cox Communications, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:44 12:1638 13:1 15:11 16:3 17:3 18:4 20:42 24:827 25:1 30:2 32:66 38:191 40:54 44:3 47:3 52:4 55:1 56:3 57:34 58:115 59:163 60:183 61:822 62:746 63:1890 64:2940 65:2152 66:3069 67:587 68:648 69:1397 70:286 71:53 72:577 73:23 80:740 81:601 82:510 83:359 84:343 85:422 86:281 87:151 88:18 89:9 124:7 125:188 128:163 129:174 130:103 131:310 132:34 133:7 134:152 135:46 136:169 137:61 138:183 139:89 140:380 141:133 142:414 143:144 144:226 145:39 146:312 147:134 148:324 149:184 150:114 151:72 152:61 153:103 154:6 155:186 156:90 157:121 158:156 159:180 160:88 161:67 162:260 163:176 164:166 165:181 166:146 167:235 168:477 169:139 170:316 171:12 190:30 192:5752 193:3359 194:2476 195:1747 196:743 198:3884 199:3260 200:4197 201:560 202:6460 203:6749 204:3880 205:2088 206:2435 207:2915 208:2018 209:3497 210:1869 211:789 212:1271 213:1434 214:321 215:40 216:3796 217:1151 218:235 219:132 220:639 221:336 222:146
End of report
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