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Routing Table Report 00:00 GMT Sat 09 Dec, 2006
Analysis Summary ----------------
BGP routing table entries examined: 215946 Prefixes after maximum aggregation: 113391 Unique aggregates announced to Internet: 100173 Total ASes present in the Internet Routing Table: 23919 Origin-only ASes present in the Internet Routing Table: 20782 Origin ASes announcing only one prefix: 10018 Transit ASes present in the Internet Routing Table: 3137 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 6.7 Max AS path length visible: 33 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 25 Unregistered ASNs in the Routing Table: 17 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1637462893 Equivalent to 97 /8s, 153 /16s and 179 /24s Percentage of available address space announced: 44.2 Percentage of allocated address space announced: 62.7 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 112364
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47279 Total APNIC prefixes after maximum aggregation: 18879 Prefixes being announced from the APNIC address blocks: 44771 Unique aggregates announced from the APNIC address blocks: 19609 APNIC Region origin ASes present in the Internet Routing Table: 2804 APNIC Region origin ASes announcing only one prefix: 787 APNIC Region transit ASes present in the Internet Routing Table: 429 Average APNIC Region AS path length visible: 7.6 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 271748352 Equivalent to 16 /8s, 50 /16s and 141 /24s Percentage of available APNIC address space announced: 85.0
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: 109148 Total ARIN prefixes after maximum aggregation: 61705 Prefixes being announced from the ARIN address blocks: 81299 Unique aggregates announced from the ARIN address blocks: 28493 ARIN Region origin ASes present in the Internet Routing Table: 11220 ARIN Region origin ASes announcing only one prefix: 4259 ARIN Region transit ASes present in the Internet Routing Table: 1044 Average ARIN Region AS path length visible: 6.3 Max ARIN Region AS path length visible: 33 Number of ARIN addresses announced to Internet: 310222688 Equivalent to 18 /8s, 125 /16s and 159 /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: 43482 Total RIPE prefixes after maximum aggregation: 27866 Prefixes being announced from the RIPE address blocks: 40476 Unique aggregates announced from the RIPE address blocks: 26033 RIPE Region origin ASes present in the Internet Routing Table: 8905 RIPE Region origin ASes announcing only one prefix: 4673 RIPE Region transit ASes present in the Internet Routing Table: 1470 Average RIPE Region AS path length visible: 6.5 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 273676673 Equivalent to 16 /8s, 79 /16s and 249 /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: 13424 Total LACNIC prefixes after maximum aggregation: 3960 Prefixes being announced from the LACNIC address blocks: 11470 Unique aggregates announced from the LACNIC address blocks: 6652 LACNIC Region origin ASes present in the Internet Routing Table: 750 LACNIC Region origin ASes announcing only one prefix: 250 LACNIC Region transit ASes present in the Internet Routing Table: 134 Average LACNIC Region AS path length visible: 7.6 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 35339776 Equivalent to 2 /8s, 27 /16s and 62 /24s Percentage of available LACNIC address space announced: 52.7
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: 2589 Total AfriNIC prefixes after maximum aggregation: 981 Prefixes being announced from the AfriNIC address blocks: 1833 Unique aggregates announced from the AfriNIC address blocks: 1048 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: 6.4 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 4784384 Equivalent to 0 /8s, 73 /16s and 1 /24s Percentage of available AfriNIC address space announced: 14.3
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 1268 8510 250 CHINANET-BACKBONE 4755 1059 383 65 Videsh Sanchar Nigam Ltd. Aut 9583 1009 86 275 Sify Limited 4538 951 2846 35 China Education and Research 9498 892 212 65 BHARTI BT INTERNET LTD. 23577 776 35 706 KRNIC 4766 745 4945 306 Korea Telecom (KIX) 1221 622 1698 457 Telstra Pty Ltd 17488 556 35 20 Hathway IP Over Cable Interne 7545 552 126 75 TPG Internet Pty Ltd 17676 501 10934 65 Softbank BB Corp. 18101 491 87 23 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 436 81 129 COMindico Australia 4812 431 753 65 China Telecom (Shanghai) 17849 423 36 126 Telecommunications Technology 4802 411 86 149 Wantree Development 7474 373 211 230 SingTel Optus Pty Ltd 17974 370 129 12 PT TELEKOMUNIKASI INDONESIA 17557 365 31 175 Pakistan Telecom
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 545 1928 424 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 296 4992 244 Deutsche Telekom AG 8220 275 474 264 COLT Telecommunications 6746 260 92 237 Dynamic Network Technologies, 680 252 2041 248 DFN-IP service G-WiN 1257 250 1073 173 SWIPnet Swedish IP Network 8708 228 281 215 Romania Data Systems S.A. 9116 214 134 23 Goldenlines main autonomous s 3269 208 2357 75 TELECOM ITALIA 3246 206 353 193 Song Networks 30890 206 18 86 SC Kappa Invexim SRL 5416 205 13 9 BATELCO-BH 8551 200 198 23 Bezeq International 6830 185 823 39 UPC Distribution Services 3300 183 171 97 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 4876 6691 766 UUNET Technologies, Inc. 7018 1560 10283 980 AT&T WorldNet Services 705 1432 555 631 UUNET Technologies, Inc. 2386 1113 587 740 AT&T Data Communications Serv 4323 1052 803 296 Time Warner Telecom 6197 1020 638 505 BellSouth Network Solutions, 18566 981 272 8 Covad Communications 174 972 6826 884 Cogent Communications 11492 837 98 11 Cable One 1239 831 2723 581 Sprint 721 814 21889 295 DLA Systems Automation Center 7046 807 251 662 UUNET Technologies, Inc. 19262 784 2454 178 Verizon Global Networks 20115 765 665 412 Charter Communications 22773 711 1744 41 Cox Communications, Inc. 209 707 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 1268 1018 CHINANET-BACKBONE 4755 1059 994 Videsh Sanchar Nigam Ltd. Aut 18566 981 973 Covad Communications 4538 951 916 China Education and Research 9498 892 827 BHARTI BT INTERNET LTD. 11492 837 826 Cable One 705 1432 801 UUNET Technologies, Inc. 4323 1052 756 Time Warner Telecom 9583 1009 734 Sify Limited 22773 711 670 Cox Communications, Inc. 19262 784 606 Verizon Global Networks 7018 1560 580 AT&T WorldNet Services 8151 761 561 UniNet S.A. de C.V. 17488 556 536 Hathway IP Over Cable Interne 5668 546 527 CenturyTel Internet Holdings, 721 814 519 DLA Systems Automation Center 6197 1020 515 BellSouth Network Solutions, 19916 567 510 OLM LLC 11830 506 497 Instituto Costarricense de El 7545 552 477 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 65019 PRIVATE 135.196.106.208/28 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 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 /8:19 /9:10 /10:13 /11:28 /12:113 /13:233 /14:399 /15:797 /16:9116 /17:3676 /18:5968 /19:12938 /20:14638 /21:13335 /22:16937 /23:18493 /24:116579 /25:719 /26:536 /27:445 /28:204 /29:153 /30:500 /31:0 /32:96
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3623 4876 UUNET Technologies, Inc. 18566 964 981 Covad Communications 705 895 1432 UUNET Technologies, Inc. 9583 843 1009 Sify Limited 7018 834 1560 AT&T WorldNet Services 2386 829 1113 AT&T Data Communications Serv 11492 823 837 Cable One 6197 796 1020 BellSouth Network Solutions, 23577 762 776 KRNIC 7011 598 693 Citizens Utilities 19916 562 567 OLM LLC 7046 560 807 UUNET Technologies, Inc. 4766 556 745 Korea Telecom (KIX) 9498 546 892 BHARTI BT INTERNET LTD. 4538 529 951 China Education and Research 4755 481 1059 Videsh Sanchar Nigam Ltd. Aut 15270 462 492 PaeTec.net -a division of Pae 855 436 539 Canadian Research Network 18101 423 491 Reliance Infocom Ltd Internet 5668 419 546 CenturyTel Internet Holdings,
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:61 9:1 12:1665 13:1 15:15 16:3 17:3 18:5 20:39 24:845 25:1 32:176 38:268 40:57 41:47 44:2 47:10 52:4 53:1 55:1 56:3 57:52 58:282 59:374 60:222 61:970 62:1191 63:3347 64:3321 65:3626 66:3204 67:703 68:659 69:1728 70:406 71:114 72:1024 74:113 75:49 76:15 77:2 80:828 81:781 82:667 83:383 84:490 85:731 86:421 87:439 88:261 89:648 90:1 91:95 97:1 121:88 122:41 123:3 124:475 125:742 128:313 129:207 130:128 131:320 132:48 133:11 134:177 135:41 136:179 137:115 138:189 139:100 140:524 141:135 142:366 143:215 144:256 145:67 146:325 147:142 148:367 149:175 150:110 151:118 152:83 153:116 154:6 155:262 156:148 157:153 158:166 159:137 160:98 161:83 162:218 163:158 164:282 165:239 166:244 167:277 168:480 169:123 170:382 171:12 172:1 189:27 190:288 192:5795 193:3610 194:2879 195:2281 196:990 198:3941 199:3373 200:4602 201:936 202:7218 203:7279 204:4110 205:2224 206:2650 207:3156 208:3067 209:3702 210:2399 211:968 212:1423 213:1521 214:383 215:39 216:4262 217:1343 218:366 219:291 220:803 221:386 222:257
End of report
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