Routing Table Report 00:00 GMT Thu 28 Dec, 2006
Analysis Summary ----------------
BGP routing table entries examined: 214727 Prefixes after maximum aggregation: 113179 Unique aggregates announced to Internet: 99601 Total ASes present in the Internet Routing Table: 24040 Origin-only ASes present in the Internet Routing Table: 20928 Origin ASes announcing only one prefix: 10077 Transit ASes present in the Internet Routing Table: 3112 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 3.4 Max AS path length visible: 31 Max AS path prepend of ASN (32609) 16 Prefixes from unregistered ASNs in the Routing Table: 21 Unregistered ASNs in the Routing Table: 15 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1649193768 Equivalent to 98 /8s, 76 /16s and 179 /24s Percentage of available address space announced: 44.5 Percentage of allocated address space announced: 63.1 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 112488
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 45150 Total APNIC prefixes after maximum aggregation: 18128 Prefixes being announced from the APNIC address blocks: 42638 Unique aggregates announced from the APNIC address blocks: 18314 APNIC Region origin ASes present in the Internet Routing Table: 2779 APNIC Region origin ASes announcing only one prefix: 784 APNIC Region transit ASes present in the Internet Routing Table: 418 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 271855168 Equivalent to 16 /8s, 52 /16s and 46 /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: 109493 Total ARIN prefixes after maximum aggregation: 61826 Prefixes being announced from the ARIN address blocks: 81645 Unique aggregates announced from the ARIN address blocks: 28688 ARIN Region origin ASes present in the Internet Routing Table: 11249 ARIN Region origin ASes announcing only one prefix: 4281 ARIN Region transit ASes present in the Internet Routing Table: 1028 Average ARIN Region AS path length visible: 3.1 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 311544800 Equivalent to 18 /8s, 145 /16s and 203 /24s Percentage of available ARIN address space announced: 68.8
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, 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: 43977 Total RIPE prefixes after maximum aggregation: 28294 Prefixes being announced from the RIPE address blocks: 40951 Unique aggregates announced from the RIPE address blocks: 26453 RIPE Region origin ASes present in the Internet Routing Table: 9015 RIPE Region origin ASes announcing only one prefix: 4712 RIPE Region transit ASes present in the Internet Routing Table: 1462 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 283046528 Equivalent to 16 /8s, 222 /16s and 242 /24s Percentage of available RIPE address space announced: 76.7
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 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: 13465 Total LACNIC prefixes after maximum aggregation: 3958 Prefixes being announced from the LACNIC address blocks: 11524 Unique aggregates announced from the LACNIC address blocks: 6716 LACNIC Region origin ASes present in the Internet Routing Table: 753 LACNIC Region origin ASes announcing only one prefix: 248 LACNIC Region transit ASes present in the Internet Routing Table: 134 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 20 Number of LACNIC addresses announced to Internet: 35660800 Equivalent to 2 /8s, 32 /16s and 36 /24s Percentage of available LACNIC address space announced: 53.1
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: 2622 Total AfriNIC prefixes after maximum aggregation: 973 Prefixes being announced from the AfriNIC address blocks: 1869 Unique aggregates announced from the AfriNIC address blocks: 1069 AfriNIC Region origin ASes present in the Internet Routing Table: 172 AfriNIC Region origin ASes announcing only one prefix: 52 AfriNIC Region transit ASes present in the Internet Routing Table: 30 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 5328128 Equivalent to 0 /8s, 81 /16s and 77 /24s Percentage of available AfriNIC address space announced: 15.9
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 1285 8609 260 CHINANET-BACKBONE 4755 1066 383 67 Videsh Sanchar Nigam Ltd. Aut 9583 1032 109 16 Sify Limited 9498 891 211 63 BHARTI BT INTERNET LTD. 23577 770 34 700 KRNIC 4766 751 4945 306 Korea Telecom (KIX) 1221 613 1714 456 Telstra Pty Ltd 17488 565 35 21 Hathway IP Over Cable Interne 17676 503 10935 66 Softbank BB Corp. 18101 493 87 26 Reliance Infocom Ltd Internet 9942 440 81 132 COMindico Australia 9443 439 111 74 Primus Telecommunications 4812 438 758 69 China Telecom (Shanghai) 7545 438 125 69 TPG Internet Pty Ltd 17849 411 36 126 Telecommunications Technology 4802 399 85 138 Wantree Development 17557 367 35 171 Pakistan Telecom 17974 338 129 13 PT TELEKOMUNIKASI INDONESIA 2907 336 1749 311 SINET Japan 4837 331 3911 147 chinanet IDC center beijing n
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1912 425 UUNET - Commercial IP service 3215 390 2104 96 France Telecom Transpac 24863 386 45 16 LINKdotNET AS number 3301 310 1199 292 TeliaNet Sweden 3320 300 4994 248 Deutsche Telekom AG 8220 274 474 264 COLT Telecommunications 6746 264 93 242 Dynamic Network Technologies, 680 253 2041 248 DFN-IP service G-WiN 1257 249 1069 172 SWIPnet Swedish IP Network 5089 244 1657 52 NTL Group Limited 9116 233 134 23 Goldenlines main autonomous s 8708 231 282 218 Romania Data Systems S.A. 3269 210 2373 73 TELECOM ITALIA 30890 208 19 90 SC Kappa Invexim SRL 5416 206 13 9 BATELCO-BH 3246 205 353 192 Song Networks 8551 199 197 24 Bezeq International 3300 188 172 101 AUCS Communications Services 3352 175 1767 31 Ibernet, Internet Access Netw 12479 175 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4872 6691 762 UUNET Technologies, Inc. 7018 1549 10268 1004 AT&T WorldNet Services 705 1408 554 610 UUNET Technologies, Inc. 2386 1111 587 735 AT&T Data Communications Serv 4323 1057 820 298 Time Warner Telecom 6197 1018 636 498 BellSouth Network Solutions, 18566 983 272 8 Covad Communications 174 959 6807 872 Cogent Communications 11492 863 98 13 Cable One 1239 814 2713 571 Sprint 19262 804 2496 181 Verizon Global Networks 7046 802 251 660 UUNET Technologies, Inc. 721 779 21885 292 DLA Systems Automation Center 20115 767 667 406 Charter Communications 209 711 3763 558 Qwest 22773 710 1744 40 Cox Communications, Inc. 7011 686 211 431 Citizens Utilities 852 617 1092 391 Telus Advanced Communications 577 576 744 214 Bell Advanced Communications 19916 567 48 57 OLM LLC
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1285 1025 CHINANET-BACKBONE 9583 1032 1016 Sify Limited 4755 1066 999 Videsh Sanchar Nigam Ltd. Aut 18566 983 975 Covad Communications 11492 863 850 Cable One 9498 891 828 BHARTI BT INTERNET LTD. 705 1408 798 UUNET Technologies, Inc. 4323 1057 759 Time Warner Telecom 22773 710 670 Cox Communications, Inc. 19262 804 623 Verizon Global Networks 8151 779 577 UniNet S.A. de C.V. 7018 1549 545 AT&T WorldNet Services 17488 565 544 Hathway IP Over Cable Interne 5668 547 528 CenturyTel Internet Holdings, 6197 1018 520 BellSouth Network Solutions, 19916 567 510 OLM LLC 11830 504 495 Instituto Costarricense de El 721 779 487 DLA Systems Automation Center 18101 493 467 Reliance Infocom Ltd Internet 855 538 465 Canadian Research Network
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 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 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 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 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
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 /11:30 /12:116 /13:240 /14:407 /15:801 /16:9137 /17:3682 /18:6010 /19:12997 /20:14737 /21:13187 /22:16913 /23:18365 /24:115428 /25:735 /26:531 /27:447 /28:196 /29:151 /30:477 /31:0 /32:97
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3626 4872 UUNET Technologies, Inc. 18566 966 983 Covad Communications 705 871 1408 UUNET Technologies, Inc. 9583 860 1032 Sify Limited 11492 849 863 Cable One 7018 833 1549 AT&T WorldNet Services 2386 829 1111 AT&T Data Communications Serv 6197 794 1018 BellSouth Network Solutions, 23577 756 770 KRNIC 7011 591 686 Citizens Utilities 19916 562 567 OLM LLC 4766 560 751 Korea Telecom (KIX) 7046 559 802 UUNET Technologies, Inc. 9498 556 891 BHARTI BT INTERNET LTD. 4755 486 1066 Videsh Sanchar Nigam Ltd. Aut 15270 468 500 PaeTec.net -a division of Pae 855 435 538 Canadian Research Network 18101 428 493 Reliance Infocom Ltd Internet 5668 419 547 CenturyTel Internet Holdings, 17849 397 411 Telecommunications Technology
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:61 9:1 12:1671 13:1 15:15 16:3 17:3 18:5 20:34 24:858 25:1 32:176 38:274 40:57 41:57 44:2 47:10 52:4 53:1 55:1 56:3 57:52 58:279 59:353 60:227 61:985 62:1189 63:3339 64:3304 65:3633 66:3186 67:712 68:657 69:1705 70:406 71:130 72:1104 74:121 75:49 76:16 80:835 81:764 82:706 83:406 84:458 85:781 86:405 87:459 88:261 89:712 90:1 91:109 97:1 121:112 122:47 123:8 124:504 125:735 128:302 129:219 130:132 131:316 132:49 133:11 134:177 135:43 136:180 137:115 138:189 139:104 140:527 141:134 142:368 143:213 144:263 145:67 146:311 147:144 148:366 149:174 150:111 151:118 152:90 153:118 154:6 155:247 156:148 157:155 158:166 159:138 160:99 161:84 162:224 163:160 164:283 165:236 166:243 167:282 168:484 169:123 170:376 171:12 172:1 189:29 190:310 192:5784 193:3640 194:2930 195:2304 196:1005 198:3926 199:3355 200:4563 201:944 202:6697 203:6600 204:4114 205:2212 206:2661 207:3155 208:3081 209:3718 210:2238 211:927 212:1381 213:1467 214:384 215:39 216:4262 217:1323 218:354 219:261 220:818 221:376 222:264
End of report
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Routing Analysis Role Account