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Routing Table Report 04:00 +10GMT Wed 28 Dec, 2005
Analysis Summary ----------------
BGP routing table entries examined: 177182 Prefixes after maximum aggregation: 99698 Unique aggregates announced to Internet: 85885 Total ASes present in the Internet Routing Table: 21242 Origin-only ASes present in the Internet Routing Table: 18476 Origin ASes announcing only one prefix: 8753 Transit ASes present in the Internet Routing Table: 2766 Transit-only ASes present in the Internet Routing Table: 77 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 13 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1492093504 Equivalent to 88 /8s, 239 /16s and 138 /24s Percentage of available address space announced: 40.3 Percentage of allocated address space announced: 60.6 Percentage of available address space allocated: 66.4 Total number of prefixes smaller than registry allocations: 85173
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 37094 Total APNIC prefixes after maximum aggregation: 15782 Prefixes being announced from the APNIC address blocks: 34836 Unique aggregates announced from the APNIC address blocks: 17071 APNIC Region origin ASes present in the Internet Routing Table: 2451 APNIC Region origin ASes announcing only one prefix: 701 APNIC Region transit ASes present in the Internet Routing Table: 376 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 208729024 Equivalent to 12 /8s, 112 /16s and 243 /24s Percentage of available APNIC address space announced: 77.5
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, 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: 93334 Total ARIN prefixes after maximum aggregation: 56114 Prefixes being announced from the ARIN address blocks: 72705 Unique aggregates announced from the ARIN address blocks: 27807 ARIN Region origin ASes present in the Internet Routing Table: 10401 ARIN Region origin ASes announcing only one prefix: 3865 ARIN Region transit ASes present in the Internet Routing Table: 959 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 280944768 Equivalent to 16 /8s, 190 /16s and 224 /24s Percentage of available ARIN address space announced: 69.8
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: 34762 Total RIPE prefixes after maximum aggregation: 23547 Prefixes being announced from the RIPE address blocks: 31761 Unique aggregates announced from the RIPE address blocks: 21304 RIPE Region origin ASes present in the Internet Routing Table: 7504 RIPE Region origin ASes announcing only one prefix: 3929 RIPE Region transit ASes present in the Internet Routing Table: 1239 Average RIPE Region AS path length visible: 5.0 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 228581184 Equivalent to 13 /8s, 159 /16s and 223 /24s Percentage of available RIPE address space announced: 68.1
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 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: 10148 Total LACNIC prefixes after maximum aggregation: 3390 Prefixes being announced from the LACNIC address blocks: 8389 Unique aggregates announced from the LACNIC address blocks: 4776 LACNIC Region origin ASes present in the Internet Routing Table: 663 LACNIC Region origin ASes announcing only one prefix: 210 LACNIC Region transit ASes present in the Internet Routing Table: 126 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 22 Number of LACNIC addresses announced to Internet: 23281664 Equivalent to 1 /8s, 99 /16s and 64 /24s Percentage of available LACNIC address space announced: 34.7
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: 1836 Total AfriNIC prefixes after maximum aggregation: 865 Prefixes being announced from the AfriNIC address blocks: 1186 Unique aggregates announced from the AfriNIC address blocks: 808 AfriNIC Region origin ASes present in the Internet Routing Table: 146 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 4.5 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 2897408 Equivalent to 0 /8s, 44 /16s and 54 /24s Percentage of available AfriNIC address space announced: 8.6
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 997 6469 206 CHINANET-BACKBONE 9583 825 77 12 Sify Limited 4755 762 259 72 Videsh Sanchar Nigam Ltd. Aut 4766 671 3928 290 Korea Telecom (KIX) 1221 665 1364 476 Telstra Pty Ltd 7545 514 108 70 TPG Internet Pty Ltd 17676 475 6853 99 Softbank BB Corp. 17488 436 26 9 Hathway IP Over Cable Interne 9498 414 211 69 BHARTI BT INTERNET LTD. 9443 399 89 85 Primus Telecommunications 4802 348 74 159 Wantree Development 2907 338 1763 315 SINET Japan 9929 329 217 49 China Netcom Corp. 7474 325 226 223 SingTel Optus Pty Ltd 17557 310 25 161 Pakistan Telecom 18101 289 68 19 Reliance Infocom Ltd Internet 17974 285 69 23 PT TELEKOMUNIKASI INDONESIA 4780 282 226 16 Digital United Inc. 9837 273 78 172 Powertel Ltd 9800 255 410 67 CHINA UNICOM
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 7018 1457 6312 956 AT&T WorldNet Services 4323 1194 722 235 Time Warner Telecom 174 1051 5826 968 Cogent Communications 721 1030 21938 309 DLA Systems Automation Center 701 974 8118 819 UUNET Technologies, Inc. 6197 969 434 505 BellSouth Network Solutions, 2386 914 517 687 AT&T Data Communications Serv 18566 887 240 7 Covad Communications 1239 846 2803 601 Sprint 209 660 3606 526 Qwest 20115 651 534 338 Charter Communications 11492 634 89 11 Cable One 22773 594 1477 29 Cox Communications, Inc. 19262 586 1681 145 Verizon Global Networks 852 572 1092 380 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 562 243 65 Canadian Research Network 3356 523 10618 402 Level 3 Communications, LLC 3602 523 127 106 Sprint Canada, Inc. 6478 517 1435 284 AT&T Worldnet Services
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 590 1953 468 UUNET - Commercial IP service 3301 304 1071 290 TeliaNet Sweden 3320 287 3487 241 Deutsche Telekom AG 8220 273 474 267 COLT Telecommunications 680 244 2024 238 DFN-IP service G-WiN 3246 227 486 220 Song Networks 8708 223 274 207 Romania Data Systems S.A. 6746 204 51 175 Dynamic Network Technologies, 1257 189 712 170 SWIPnet Swedish IP Network 3269 182 1829 68 TELECOM ITALIA 5515 180 840 127 Sonera Solution Autonomous Sy 786 173 1794 173 The JANET IP Service 8866 169 37 11 Bulgarian Telecommunication C 5400 167 328 136 BT Ignite European Backbone 24863 166 38 9 LINKdotNET AS number 3215 162 1326 82 France Telecom Transpac 6830 162 669 33 UPC Distribution Services 3300 157 169 91 AUCS Communications Services 12479 156 322 5 Uni2 Autonomous System 25186 147 211 103 France Telecom Transpac's Tra
LACNIC Region per AS prefix count summary -----------------------------------------
ASN No of nets /20 equiv MaxAgg Description 8151 495 776 211 UniNet S.A. de C.V. 22047 380 141 43 VTR PUNTO NET S.A. 16814 295 18 7 NSS, S.A. 11172 291 108 77 Servicios Alestra S.A de C.V 14117 184 11 6 Telefonica del Sur S.A. 13999 175 52 9 Mega Cable S.A. de C.V. 7303 153 73 18 Telecom Argentina Stet-France 6147 149 118 20 Telefonica Del Peru 11664 138 22 13 Keytech SA 11556 130 64 3 Cable-Wireless Panama 19169 127 8 25 Telconet 10481 121 48 8 Prima S.A. 6503 118 148 78 AVANTEL, S.A. 5639 112 12 9 Telecommunications Services o 21826 112 14 18 INTERCABLE 6505 106 88 79 Global One Communicaoes Ltda 14522 102 12 8 SatNet S.A. 11311 99 8 10 Sinectis S.A. 18822 98 7 10 TELEFONICA MANQUEHUE 4270 94 17 9 Red de Interconexion Universi
AfriNIC Region per AS prefix count summary ------------------------------------------
ASN No of nets /20 equiv MaxAgg Description 3741 272 812 230 The Internet Solution 8452 145 44 7 TEDATA 5536 122 8 16 Internet Egypt Network 2018 117 298 103 Tertiary Education Network 15475 103 84 4 Nile Online 2905 74 155 67 The Internetworking Company o 6713 71 71 10 Itissalat Al-MAGHRIB 24835 64 34 6 RAYA Telecom - Egypt 20928 61 16 2 Noor Advanced Technologies AS 5713 39 167 35 Telkom SA Ltd 33774 33 4 24 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 21280 23 4 4 Swift Global Kenya Ltd.Is an 10798 22 1 13 Standard Bank of South Africa 16637 22 10 20 Johnnic e-Ventures 12455 18 6 5 Jambonet Autonomous system 12258 17 3 11 Vodacom Internet Company 15808 17 2 2 Communication Solutions Ltd i
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 1194 959 Time Warner Telecom 18566 887 880 Covad Communications 9583 825 813 Sify Limited 4134 997 791 CHINANET-BACKBONE 721 1030 721 DLA Systems Automation Center 4755 762 690 Videsh Sanchar Nigam Ltd. Aut 11492 634 623 Cable One 22773 594 565 Cox Communications, Inc. 19916 563 509 OLM LLC 855 562 497 Canadian Research Network 5668 498 474 CenturyTel Internet Holdings, 6197 969 464 BellSouth Network Solutions, 7545 514 444 TPG Internet Pty Ltd 19262 586 441 Verizon Global Networks 17488 436 427 Hathway IP Over Cable Interne 3602 523 417 Sprint Canada, Inc. 4766 671 381 Korea Telecom (KIX) 17676 475 376 Softbank BB Corp. 6467 405 359 E.Spire Communications, Inc. 9498 414 345 BHARTI BT INTERNET LTD.
List of Unregistered ASNs (Global) ----------------------------------
Bad AS Designation Network Transit AS Description 65000 PRIVATE 38.117.11.0/24 36383 * 38976 UNALLOCATED 62.192.224.0/19 21166 Satgate autonomous s 38976 UNALLOCATED 62.192.232.0/24 21166 Satgate autonomous s 38972 UNALLOCATED 80.251.144.0/21 6828 Ekaterinburg Telegra 38972 UNALLOCATED 80.251.151.0/24 6828 Ekaterinburg Telegra 38972 UNALLOCATED 80.251.152.0/23 28947 CJSC InT, Ekaterinbu 29544 UNALLOCATED 82.151.64.0/19 12956 Telefonica Data Auto 24413 UNALLOCATED 202.46.32.0/19 17623 China Netcom Corp. 24408 UNALLOCATED 203.119.26.0/24 9800 CHINA UNICOM 24408 UNALLOCATED 203.119.27.0/24 9800 CHINA UNICOM 24408 UNALLOCATED 203.119.28.0/24 9800 CHINA UNICOM 24406 UNALLOCATED 203.119.29.0/24 4808 CNCGROUP IP network: 65000 PRIVATE 216.82.107.0/24 36383 *
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. 192.119.135.0/24 270 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 /8:19 /9:5 /10:8 /11:20 /12:86 /13:194 /14:346 /15:667 /16:8630 /17:2939 /18:4941 /19:11133 /20:12280 /21:10375 /22:13590 /23:14711 /24:96272 /25:336 /26:246 /27:195 /28:63 /29:27 /30:55 /31:3 /32:41
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 18566 871 887 Covad Communications 6197 784 969 BellSouth Network Solutions, 7018 721 1457 AT&T WorldNet Services 9583 648 825 Sify Limited 2386 637 914 AT&T Data Communications Serv 11492 625 634 Cable One 4323 571 1194 Time Warner Telecom 19916 557 563 OLM LLC 4766 476 671 Korea Telecom (KIX) 855 434 562 Canadian Research Network 7011 401 466 Citizens Utilities 5668 387 498 CenturyTel Internet Holdings, 702 372 590 UUNET - Commercial IP service 1239 365 846 Sprint 6198 355 497 BellSouth Network Solutions, 6517 326 352 Yipes Communications, Inc. 15270 326 353 PaeTec.net -a division of Pae 22773 308 594 Cox Communications, Inc. 13609 289 332 Choice One Communications Inc 701 282 974 UUNET Technologies, Inc.
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:3 8:40 12:1629 13:1 15:11 16:3 17:3 18:3 20:42 24:711 25:1 30:2 32:67 38:187 40:54 44:3 47:3 52:4 55:1 56:3 57:33 58:106 59:121 60:174 61:758 62:785 63:1888 64:2914 65:2134 66:2963 67:593 68:695 69:1317 70:259 71:39 72:502 73:10 80:680 81:597 82:506 83:338 84:323 85:407 86:242 87:125 125:142 128:141 129:167 130:101 131:305 132:33 133:1 134:151 135:45 136:163 137:62 138:178 139:92 140:446 141:139 142:403 143:146 144:226 145:39 146:308 147:135 148:349 149:189 150:108 151:71 152:115 153:97 154:6 155:182 156:90 157:119 158:151 159:176 160:86 161:74 162:246 163:178 164:167 165:183 166:145 167:237 168:462 169:142 170:311 171:12 192:5717 193:3338 194:2453 195:1710 196:712 198:3896 199:3271 200:4327 201:502 202:6391 203:6678 204:3819 205:2106 206:2391 207:2926 208:2026 209:3440 210:1829 211:782 212:1241 213:1399 214:313 215:40 216:3805 217:1163 218:227 219:127 220:589 221:323 222:132
End of report
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