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Routing Table Report 00:00 GMT Sun 31 Dec, 2006
Analysis Summary ----------------
BGP routing table entries examined: 216263 Prefixes after maximum aggregation: 113669 Unique aggregates announced to Internet: 100377 Total ASes present in the Internet Routing Table: 24086 Origin-only ASes present in the Internet Routing Table: 20965 Origin ASes announcing only one prefix: 10097 Transit ASes present in the Internet Routing Table: 3121 Transit-only ASes present in the Internet Routing Table: 71 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 32 Max AS path prepend of ASN (20858) 18 Prefixes from unregistered ASNs in the Routing Table: 30 Unregistered ASNs in the Routing Table: 20 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1651511848 Equivalent to 98 /8s, 112 /16s and 18 /24s Percentage of available address space announced: 44.6 Percentage of allocated address space announced: 63.2 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 112454
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46742 Total APNIC prefixes after maximum aggregation: 18723 Prefixes being announced from the APNIC address blocks: 44226 Unique aggregates announced from the APNIC address blocks: 19036 APNIC Region origin ASes present in the Internet Routing Table: 2818 APNIC Region origin ASes announcing only one prefix: 786 APNIC Region transit ASes present in the Internet Routing Table: 422 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 17 Number of APNIC addresses announced to Internet: 273289248 Equivalent to 16 /8s, 74 /16s and 16 /24s Percentage of available APNIC address space announced: 85.5
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, 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: 109357 Total ARIN prefixes after maximum aggregation: 61784 Prefixes being announced from the ARIN address blocks: 81608 Unique aggregates announced from the ARIN address blocks: 28720 ARIN Region origin ASes present in the Internet Routing Table: 11252 ARIN Region origin ASes announcing only one prefix: 4289 ARIN Region transit ASes present in the Internet Routing Table: 1039 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 17 Number of ARIN addresses announced to Internet: 311578592 Equivalent to 18 /8s, 146 /16s and 79 /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: 43985 Total RIPE prefixes after maximum aggregation: 28233 Prefixes being announced from the RIPE address blocks: 40953 Unique aggregates announced from the RIPE address blocks: 26415 RIPE Region origin ASes present in the Internet Routing Table: 9020 RIPE Region origin ASes announcing only one prefix: 4717 RIPE Region transit ASes present in the Internet Routing Table: 1464 Average RIPE Region AS path length visible: 4.3 Max RIPE Region AS path length visible: 32 Number of RIPE addresses announced to Internet: 283433120 Equivalent to 16 /8s, 228 /16s and 216 /24s Percentage of available RIPE address space announced: 76.8
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: 13527 Total LACNIC prefixes after maximum aggregation: 3958 Prefixes being announced from the LACNIC address blocks: 11613 Unique aggregates announced from the LACNIC address blocks: 6781 LACNIC Region origin ASes present in the Internet Routing Table: 752 LACNIC Region origin ASes announcing only one prefix: 251 LACNIC Region transit ASes present in the Internet Routing Table: 132 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 36004096 Equivalent to 2 /8s, 37 /16s and 97 /24s Percentage of available LACNIC address space announced: 53.7
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: 2623 Total AfriNIC prefixes after maximum aggregation: 971 Prefixes being announced from the AfriNIC address blocks: 1871 Unique aggregates announced from the AfriNIC address blocks: 1069 AfriNIC Region origin ASes present in the Internet Routing Table: 173 AfriNIC Region origin ASes announcing only one prefix: 54 AfriNIC Region transit ASes present in the Internet Routing Table: 31 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 16 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 1262 8736 272 CHINANET-BACKBONE 4755 1069 384 67 Videsh Sanchar Nigam Ltd. Aut 9583 1053 109 16 Sify Limited 9498 897 211 63 BHARTI BT INTERNET LTD. 23577 770 34 699 KRNIC 4766 758 4946 312 Korea Telecom (KIX) 1221 613 1714 456 Telstra Pty Ltd 17488 565 35 21 Hathway IP Over Cable Interne 7545 554 126 73 TPG Internet Pty Ltd 17676 503 10935 66 Softbank BB Corp. 18101 494 87 29 Reliance Infocom Ltd Internet 9443 442 111 74 Primus Telecommunications 9942 438 81 132 COMindico Australia 4812 430 757 68 China Telecom (Shanghai) 17849 411 36 126 Telecommunications Technology 4802 409 86 148 Wantree Development 7474 382 211 237 SingTel Optus Pty Ltd 17557 366 35 173 Pakistan Telecom 17974 347 119 26 PT TELEKOMUNIKASI INDONESIA 2907 336 1749 311 SINET Japan
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 275 474 265 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 8708 231 282 218 Romania Data Systems S.A. 9116 230 134 23 Goldenlines main autonomous s 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 186 171 99 AUCS Communications Services 3352 175 1767 31 Ibernet, Internet Access Netw 12479 174 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4854 6690 759 UUNET Technologies, Inc. 7018 1541 10246 996 AT&T WorldNet Services 705 1405 553 608 UUNET Technologies, Inc. 2386 1111 587 735 AT&T Data Communications Serv 4323 1057 820 299 Time Warner Telecom 6197 1021 638 500 BellSouth Network Solutions, 18566 983 272 8 Covad Communications 174 958 6791 871 Cogent Communications 11492 865 98 13 Cable One 1239 826 2730 579 Sprint 19262 804 2496 181 Verizon Global Networks 7046 797 251 653 UUNET Technologies, Inc. 721 777 21885 291 DLA Systems Automation Center 20115 766 667 411 Charter Communications 209 716 3763 564 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 9583 1053 1037 Sify Limited 4755 1069 1002 Videsh Sanchar Nigam Ltd. Aut 4134 1262 990 CHINANET-BACKBONE 18566 983 975 Covad Communications 11492 865 852 Cable One 9498 897 834 BHARTI BT INTERNET LTD. 705 1405 797 UUNET Technologies, Inc. 4323 1057 758 Time Warner Telecom 22773 710 670 Cox Communications, Inc. 19262 804 623 Verizon Global Networks 8151 817 611 UniNet S.A. de C.V. 7018 1541 545 AT&T WorldNet Services 17488 565 544 Hathway IP Over Cable Interne 5668 551 532 CenturyTel Internet Holdings, 6197 1021 521 BellSouth Network Solutions, 19916 567 510 OLM LLC 11830 505 496 Instituto Costarricense de El 721 777 486 DLA Systems Automation Center 7545 554 481 TPG Internet Pty Ltd 15270 501 466 PaeTec.net -a division of Pae
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 65422 PRIVATE 193.227.230.8/29 35731 Network Technology S 65414 PRIVATE 193.227.230.24/30 35731 Network Technology S 65422 PRIVATE 193.227.230.56/30 35731 Network Technology S 65418 PRIVATE 193.227.230.64/28 35731 Network Technology S 65420 PRIVATE 193.227.230.83/32 35731 Network Technology S 65420 PRIVATE 193.227.230.89/32 35731 Network Technology S 65413 PRIVATE 193.227.230.103/32 35731 Network Technology S 65422 PRIVATE 193.227.230.168/30 35731 Network Technology S 65100 PRIVATE 199.85.124.0/24 26788 Enersource Telecom I 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 192.0.2.0/24 812 Rogers WAVE
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 /14:412 /15:801 /16:9143 /17:3683 /18:6040 /19:13128 /20:14799 /21:13257 /22:16986 /23:18450 /24:116468 /25:731 /26:534 /27:449 /28:197 /29:153 /30:493 /31:0 /32:110
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3611 4854 UUNET Technologies, Inc. 18566 966 983 Covad Communications 9583 879 1053 Sify Limited 705 865 1405 UUNET Technologies, Inc. 11492 851 865 Cable One 7018 832 1541 AT&T WorldNet Services 2386 829 1111 AT&T Data Communications Serv 6197 795 1021 BellSouth Network Solutions, 23577 756 770 KRNIC 7011 591 686 Citizens Utilities 4766 567 758 Korea Telecom (KIX) 19916 562 567 OLM LLC 9498 561 897 BHARTI BT INTERNET LTD. 7046 554 797 UUNET Technologies, Inc. 4755 485 1069 Videsh Sanchar Nigam Ltd. Aut 15270 469 501 PaeTec.net -a division of Pae 855 435 538 Canadian Research Network 18101 427 494 Reliance Infocom Ltd Internet 5668 423 551 CenturyTel Internet Holdings, 1239 403 826 Sprint
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:61 9:1 12:1672 13:1 15:15 16:3 17:3 18:5 20:36 24:859 25:1 32:176 38:274 40:56 41:57 44:2 47:10 52:4 53:1 55:1 56:3 57:52 58:284 59:352 60:196 61:989 62:1190 63:3334 64:3296 65:3628 66:3177 67:711 68:654 69:1708 70:405 71:130 72:1110 74:122 75:49 76:16 80:828 81:769 82:662 83:337 84:485 85:784 86:405 87:460 88:256 89:711 90:2 91:107 97:1 121:115 122:50 123:8 124:505 125:739 128:304 129:219 130:131 131:311 132:49 133:11 134:177 135:43 136:174 137:115 138:189 139:103 140:525 141:134 142:368 143:213 144:264 145:67 146:312 147:144 148:361 149:174 150:111 151:117 152:90 153:118 154:6 155:245 156:150 157:155 158:166 159:138 160:99 161:100 162:224 163:159 164:249 165:237 166:243 167:282 168:484 169:123 170:362 171:12 172:1 189:29 190:308 192:5786 193:3640 194:2931 195:2306 196:1003 198:3923 199:3355 200:4598 201:946 202:7084 203:7297 204:4111 205:2213 206:2660 207:3153 208:3075 209:3719 210:2278 211:928 212:1376 213:1501 214:374 215:39 216:4242 217:1333 218:362 219:267 220:837 221:385 222:273
End of report
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