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Routing Table Report 00:00 GMT Fri 08 Dec, 2006
Analysis Summary ----------------
BGP routing table entries examined: 215935 Prefixes after maximum aggregation: 113404 Unique aggregates announced to Internet: 100069 Total ASes present in the Internet Routing Table: 23933 Origin-only ASes present in the Internet Routing Table: 20775 Origin ASes announcing only one prefix: 10020 Transit ASes present in the Internet Routing Table: 3158 Transit-only ASes present in the Internet Routing Table: 79 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 25 Unregistered ASNs in the Routing Table: 16 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1654172525 Equivalent to 98 /8s, 152 /16s and 171 /24s Percentage of available address space announced: 44.6 Percentage of allocated address space announced: 63.3 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 112433
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47290 Total APNIC prefixes after maximum aggregation: 18889 Prefixes being announced from the APNIC address blocks: 44769 Unique aggregates announced from the APNIC address blocks: 19482 APNIC Region origin ASes present in the Internet Routing Table: 2804 APNIC Region origin ASes announcing only one prefix: 785 APNIC Region transit ASes present in the Internet Routing Table: 427 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 271653632 Equivalent to 16 /8s, 49 /16s and 27 /24s Percentage of available APNIC address space announced: 84.9
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: 109000 Total ARIN prefixes after maximum aggregation: 61640 Prefixes being announced from the ARIN address blocks: 81138 Unique aggregates announced from the ARIN address blocks: 28459 ARIN Region origin ASes present in the Internet Routing Table: 11223 ARIN Region origin ASes announcing only one prefix: 4267 ARIN Region transit ASes present in the Internet Routing Table: 1081 Average ARIN Region AS path length visible: 3.8 Max ARIN Region AS path length visible: 30 Number of ARIN addresses announced to Internet: 310440288 Equivalent to 18 /8s, 128 /16s and 241 /24s Percentage of available ARIN address space announced: 68.5
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, 96/6, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 43491 Total RIPE prefixes after maximum aggregation: 27942 Prefixes being announced from the RIPE address blocks: 40470 Unique aggregates announced from the RIPE address blocks: 26102 RIPE Region origin ASes present in the Internet Routing Table: 8903 RIPE Region origin ASes announcing only one prefix: 4673 RIPE Region transit ASes present in the Internet Routing Table: 1444 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 273412481 Equivalent to 16 /8s, 75 /16s and 241 /24s Percentage of available RIPE address space announced: 74.1
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 40960-43007 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 13542 Total LACNIC prefixes after maximum aggregation: 3954 Prefixes being announced from the LACNIC address blocks: 11504 Unique aggregates announced from the LACNIC address blocks: 6639 LACNIC Region origin ASes present in the Internet Routing Table: 752 LACNIC Region origin ASes announcing only one prefix: 246 LACNIC Region transit ASes present in the Internet Routing Table: 139 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 35326720 Equivalent to 2 /8s, 27 /16s and 11 /24s Percentage of available LACNIC address space announced: 52.6
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: 2588 Total AfriNIC prefixes after maximum aggregation: 979 Prefixes being announced from the AfriNIC address blocks: 1832 Unique aggregates announced from the AfriNIC address blocks: 1047 AfriNIC Region origin ASes present in the Internet Routing Table: 172 AfriNIC Region origin ASes announcing only one prefix: 49 AfriNIC Region transit ASes present in the Internet Routing Table: 30 Average AfriNIC Region AS path length visible: 4.0 Max AfriNIC Region AS path length visible: 12 Number of AfriNIC addresses announced to Internet: 4780288 Equivalent to 0 /8s, 72 /16s and 241 /24s Percentage of available AfriNIC address space announced: 14.2
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 1259 8526 251 CHINANET-BACKBONE 4755 1054 383 66 Videsh Sanchar Nigam Ltd. Aut 9583 1003 86 275 Sify Limited 4538 951 2846 35 China Education and Research 9498 892 212 65 BHARTI BT INTERNET LTD. 23577 777 35 707 KRNIC 4766 744 4945 306 Korea Telecom (KIX) 1221 622 1698 458 Telstra Pty Ltd 17488 556 35 20 Hathway IP Over Cable Interne 7545 551 126 74 TPG Internet Pty Ltd 17676 501 10934 65 Softbank BB Corp. 18101 490 87 23 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 437 81 130 COMindico Australia 4812 431 753 65 China Telecom (Shanghai) 17849 423 36 126 Telecommunications Technology 4802 414 86 151 Wantree Development 7474 374 211 231 SingTel Optus Pty Ltd 17974 358 129 12 PT TELEKOMUNIKASI INDONESIA 17557 350 30 166 Pakistan Telecom
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1928 425 UUNET - Commercial IP service 3215 411 2104 96 France Telecom Transpac 24863 382 45 15 LINKdotNET AS number 3301 309 1199 293 TeliaNet Sweden 3320 297 4992 245 Deutsche Telekom AG 8220 276 474 265 COLT Telecommunications 6746 261 92 238 Dynamic Network Technologies, 680 252 2041 248 DFN-IP service G-WiN 1257 252 1073 174 SWIPnet Swedish IP Network 8708 228 281 215 Romania Data Systems S.A. 9116 216 134 23 Goldenlines main autonomous s 3269 208 2357 75 TELECOM ITALIA 3246 205 353 192 Song Networks 5416 205 13 9 BATELCO-BH 30890 205 18 85 SC Kappa Invexim SRL 8551 200 198 23 Bezeq International 6830 185 823 39 UPC Distribution Services 3300 184 171 98 AUCS Communications Services 786 172 1795 172 The JANET IP Service 3352 172 1751 30 Ibernet, Internet Access Netw
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4879 6706 771 UUNET Technologies, Inc. 7018 1546 6165 974 AT&T WorldNet Services 705 1434 556 633 UUNET Technologies, Inc. 2386 1109 586 737 AT&T Data Communications Serv 4323 1051 803 296 Time Warner Telecom 6197 1019 638 510 BellSouth Network Solutions, 18566 980 272 8 Covad Communications 174 970 6826 882 Cogent Communications 11492 845 98 11 Cable One 1239 835 2747 585 Sprint 721 817 21889 294 DLA Systems Automation Center 7046 807 251 662 UUNET Technologies, Inc. 19262 784 2454 178 Verizon Global Networks 20115 771 689 414 Charter Communications 22773 711 1744 41 Cox Communications, Inc. 209 706 3761 557 Qwest 7011 693 211 430 Citizens Utilities 852 610 1091 389 Telus Advanced Communications 19916 567 48 57 OLM LLC 6198 551 527 258 BellSouth Network Solutions,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1259 1008 CHINANET-BACKBONE 4755 1054 988 Videsh Sanchar Nigam Ltd. Aut 18566 980 972 Covad Communications 4538 951 916 China Education and Research 11492 845 834 Cable One 9498 892 827 BHARTI BT INTERNET LTD. 705 1434 801 UUNET Technologies, Inc. 4323 1051 755 Time Warner Telecom 9583 1003 728 Sify Limited 22773 711 670 Cox Communications, Inc. 19262 784 606 Verizon Global Networks 7018 1546 572 AT&T WorldNet Services 8151 777 569 UniNet S.A. de C.V. 17488 556 536 Hathway IP Over Cable Interne 5668 546 527 CenturyTel Internet Holdings, 721 817 523 DLA Systems Automation Center 19916 567 510 OLM LLC 6197 1019 509 BellSouth Network Solutions, 11830 506 497 Instituto Costarricense de El 7545 551 477 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65509 PRIVATE 84.221.16.0/23 3257 Tiscali Intl Network 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65006 PRIVATE 89.28.32.0/21 31252 StarNet Communicatio 65010 PRIVATE 135.196.7.112/29 8190 VIATEL 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65010 PRIVATE 212.2.12.160/28 8190 VIATEL 65016 PRIVATE 212.2.26.64/29 8190 VIATEL 65016 PRIVATE 212.2.31.184/30 8190 VIATEL 65515 PRIVATE 213.154.234.0/27 12859 Business Internet Tr 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 65526 PRIVATE 213.205.19.128/28 3257 Tiscali Intl Network 65526 PRIVATE 213.205.19.144/28 3257 Tiscali Intl Network 65533 PRIVATE 213.213.213.213/32 3257 Tiscali Intl Network 65018 PRIVATE 213.235.24.216/29 8190 VIATEL 65010 PRIVATE 213.235.29.224/29 8190 VIATEL 65013 PRIVATE 213.235.33.0/27 8190 VIATEL 65017 PRIVATE 213.235.48.96/28 8190 VIATEL 65019 PRIVATE 216.195.13.0/24 19034 Norcom Networks Corp 64512 PRIVATE 217.134.164.0/22 5428 Energis Communicatio 64512 PRIVATE 217.134.168.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.176.0/21 5428 Energis Communicatio 64512 PRIVATE 217.134.184.0/22 5428 Energis Communicatio
Prefixes from private and non-routed address space (Global) -----------------------------------------------------------
Prefix Origin AS Description 0.0.0.0/0 286 KPNQwest Backbone AS 192.0.2.0/24 2854 RoSprint AS (Global One Russi 192.168.83.0/24 292 Energy Sciences Network
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 172.33.1.0/24 7018 AT&T WorldNet Services 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 192.172.0.0/19 721 DLA Systems Automation Center
Number of prefixes announced per prefix length (Global) -------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:20 /9:10 /10:13 /11:28 /12:113 /13:233 /14:398 /15:796 /16:9115 /17:3673 /18:5956 /19:12932 /20:14643 /21:13318 /22:16907 /23:18459 /24:116552 /25:751 /26:560 /27:492 /28:201 /29:154 /30:503 /31:0 /32:107
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3626 4879 UUNET Technologies, Inc. 18566 963 980 Covad Communications 705 896 1434 UUNET Technologies, Inc. 9583 837 1003 Sify Limited 11492 831 845 Cable One 2386 829 1109 AT&T Data Communications Serv 7018 828 1546 AT&T WorldNet Services 6197 795 1019 BellSouth Network Solutions, 23577 763 777 KRNIC 7011 598 693 Citizens Utilities 19916 562 567 OLM LLC 7046 560 807 UUNET Technologies, Inc. 4766 555 744 Korea Telecom (KIX) 9498 546 892 BHARTI BT INTERNET LTD. 4538 529 951 China Education and Research 4755 479 1054 Videsh Sanchar Nigam Ltd. Aut 15270 462 492 PaeTec.net -a division of Pae 855 436 539 Canadian Research Network 18101 422 490 Reliance Infocom Ltd Internet 5668 419 546 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:61 9:1 12:1666 13:1 15:15 16:3 17:3 18:4 20:39 24:849 25:1 32:176 38:266 40:57 41:47 44:2 47:8 52:4 53:1 55:1 56:3 57:51 58:282 59:382 60:219 61:971 62:1187 63:3346 64:3312 65:3627 66:3190 67:697 68:660 69:1729 70:400 71:114 72:1017 74:113 75:42 76:15 77:2 80:824 81:778 82:675 83:385 84:494 85:731 86:423 87:444 88:269 89:649 90:1 91:95 97:1 121:85 122:40 123:3 124:475 125:741 128:311 129:207 130:128 131:318 132:48 133:11 134:177 135:41 136:180 137:116 138:189 139:99 140:522 141:135 142:367 143:215 144:256 145:67 146:324 147:142 148:365 149:175 150:110 151:118 152:83 153:116 154:6 155:262 156:148 157:168 158:167 159:139 160:98 161:89 162:218 163:162 164:282 165:236 166:243 167:278 168:493 169:123 170:395 171:12 172:1 189:27 190:320 192:5827 193:3629 194:2907 195:2281 196:992 198:3943 199:3374 200:4601 201:936 202:7147 203:7274 204:4102 205:2209 206:2650 207:3152 208:3070 209:3695 210:2397 211:976 212:1424 213:1482 214:391 215:36 216:4259 217:1337 218:369 219:281 220:816 221:368 222:254
End of report
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