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Routing Table Report 00:00 GMT Sun 28 Jan, 2007
Analysis Summary ----------------
BGP routing table entries examined: 218776 Prefixes after maximum aggregation: 114466 Deaggregation factor: 1.91 Unique aggregates announced to Internet: 101450 Total ASes present in the Internet Routing Table: 24282 Origin-only ASes present in the Internet Routing Table: 21108 Origin ASes announcing only one prefix: 10187 Transit ASes present in the Internet Routing Table: 3174 Transit-only ASes present in the Internet Routing Table: 75 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 39 Max AS path prepend of ASN (14282) 36 Prefixes from unregistered ASNs in the Routing Table: 14 Unregistered ASNs in the Routing Table: 14 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1667965400 Equivalent to 99 /8s, 107 /16s and 33 /24s Percentage of available address space announced: 45.0 Percentage of allocated address space announced: 61.9 Percentage of available address space allocated: 72.8 Total number of prefixes smaller than registry allocations: 114334
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 47568 Total APNIC prefixes after maximum aggregation: 18839 APNIC Deaggregation factor: 2.52 Prefixes being announced from the APNIC address blocks: 44920 Unique aggregates announced from the APNIC address blocks: 19249 APNIC Region origin ASes present in the Internet Routing Table: 2842 APNIC Region origin ASes announcing only one prefix: 788 APNIC Region transit ASes present in the Internet Routing Table: 432 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 281317264 Equivalent to 16 /8s, 196 /16s and 143 /24s Percentage of available APNIC address space announced: 69.7
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, 116/6, 120/6, 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: 110203 Total ARIN prefixes after maximum aggregation: 62160 ARIN Deaggregation factor: 1.77 Prefixes being announced from the ARIN address blocks: 82159 Unique aggregates announced from the ARIN address blocks: 29051 ARIN Region origin ASes present in the Internet Routing Table: 11306 ARIN Region origin ASes announcing only one prefix: 4318 ARIN Region transit ASes present in the Internet Routing Table: 1063 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 314918112 Equivalent to 18 /8s, 197 /16s and 68 /24s Percentage of available ARIN address space announced: 69.5
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: 44432 Total RIPE prefixes after maximum aggregation: 28493 RIPE Deaggregation factor: 1.56 Prefixes being announced from the RIPE address blocks: 41301 Unique aggregates announced from the RIPE address blocks: 26647 RIPE Region origin ASes present in the Internet Routing Table: 9118 RIPE Region origin ASes announcing only one prefix: 4776 RIPE Region transit ASes present in the Internet Routing Table: 1469 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 31 Number of RIPE addresses announced to Internet: 287290272 Equivalent to 17 /8s, 31 /16s and 179 /24s Percentage of available RIPE address space announced: 77.8
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: 13948 Total LACNIC prefixes after maximum aggregation: 3985 LACNIC Deaggregation factor: 3.50 Prefixes being announced from the LACNIC address blocks: 11972 Unique aggregates announced from the LACNIC address blocks: 6922 LACNIC Region origin ASes present in the Internet Routing Table: 763 LACNIC Region origin ASes announcing only one prefix: 251 LACNIC Region transit ASes present in the Internet Routing Table: 136 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 39 Number of LACNIC addresses announced to Internet: 36633856 Equivalent to 2 /8s, 46 /16s and 253 /24s Percentage of available LACNIC address space announced: 54.6
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: 2612 Total AfriNIC prefixes after maximum aggregation: 987 AfriNIC Deaggregation factor: 2.65 Prefixes being announced from the AfriNIC address blocks: 1880 Unique aggregates announced from the AfriNIC address blocks: 1146 AfriNIC Region origin ASes present in the Internet Routing Table: 177 AfriNIC Region origin ASes announcing only one prefix: 53 AfriNIC Region transit ASes present in the Internet Routing Table: 32 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC addresses announced to Internet: 5385728 Equivalent to 0 /8s, 82 /16s and 46 /24s Percentage of available AfriNIC address space announced: 16.1
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 1279 8647 274 CHINANET-BACKBONE 4755 1089 383 72 Videsh Sanchar Nigam Ltd. Aut 9583 1009 109 17 Sify Limited 9498 933 467 64 BHARTI BT INTERNET LTD. 23577 775 35 700 Korea Telecom (ATM-MPLS) 4766 763 4944 313 Korea Telecom (KIX) 1221 609 1698 451 Telstra Pty Ltd 17488 588 37 20 Hathway IP Over Cable Interne 7545 562 126 76 TPG Internet Pty Ltd 18101 515 103 27 Reliance Infocom Ltd Internet 17676 503 10935 66 Softbank BB Corp. 9443 442 111 74 Primus Telecommunications 4812 436 763 69 China Telecom (Shanghai) 9942 428 85 125 COMindico Australia 7474 389 212 245 SingTel Optus Pty Ltd 4802 365 86 151 Wantree Development 17974 364 129 14 PT TELEKOMUNIKASI INDONESIA 17849 353 33 93 Telecommunications Technology 17557 350 35 165 Pakistan Telecom 2907 339 1749 310 SINET Japan
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 546 1898 425 UUNET - Commercial IP service 3215 390 2192 93 France Telecom Transpac 3301 305 1199 287 TeliaNet Sweden 3320 298 4993 249 Deutsche Telekom AG 24863 297 44 24 LINKdotNET AS number 8220 274 474 265 COLT Telecommunications 6746 271 95 248 Dynamic Network Technologies, 1257 258 1097 174 SWIPnet Swedish IP Network 680 257 2044 251 DFN-IP service G-WiN 5089 241 1657 52 NTL Group Limited 8708 234 283 221 Romania Data Systems S.A. 30890 214 18 90 SC Kappa Invexim SRL 3269 213 2391 71 TELECOM ITALIA 3246 207 354 197 Song Networks 5416 206 13 9 BATELCO-BH 8551 197 197 24 Bezeq International 20858 189 34 3 This AS will be used to conne 3300 187 171 94 AUCS Communications Services 3352 182 1767 31 Ibernet, Internet Access Netw 5400 175 381 141 BT Ignite European Backbone
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4830 6694 746 UUNET Technologies, Inc. 7018 1544 10198 994 AT&T WorldNet Services 705 1399 553 603 UUNET Technologies, Inc. 2386 1105 585 730 AT&T Data Communications Serv 4323 1057 818 294 Time Warner Telecom 6197 1023 647 501 BellSouth Network Solutions, 18566 989 288 9 Covad Communications 174 934 6789 863 Cogent Communications 11492 912 99 15 Cable One 1239 836 2747 584 Sprint 19262 808 2576 180 Verizon Global Networks 7046 797 267 653 UUNET Technologies, Inc. 20115 794 689 417 Charter Communications 7011 731 218 454 Citizens Utilities 22773 722 1872 41 Cox Communications, Inc. 209 718 3750 564 Qwest 721 686 21836 280 DLA Systems Automation Center 852 624 1093 395 Telus Advanced Communications 577 588 760 210 Bell Advanced Communications 5668 580 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1089 1017 Videsh Sanchar Nigam Ltd. Aut 4134 1279 1005 CHINANET-BACKBONE 9583 1009 992 Sify Limited 18566 989 980 Covad Communications 11492 912 897 Cable One 9498 933 869 BHARTI BT INTERNET LTD. 705 1399 796 UUNET Technologies, Inc. 4323 1057 763 Time Warner Telecom 8151 940 737 UniNet S.A. de C.V. 22773 722 681 Cox Communications, Inc. 19262 808 628 Verizon Global Networks 17488 588 568 Hathway IP Over Cable Interne 5668 580 561 CenturyTel Internet Holdings, 7018 1544 550 AT&T WorldNet Services 6197 1023 522 BellSouth Network Solutions, 19916 568 514 OLM LLC 11830 504 495 Instituto Costarricense de El 855 565 492 Canadian Research Network 18101 515 488 Reliance Infocom Ltd Internet 7545 562 486 TPG Internet Pty Ltd
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 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 65404 PRIVATE 203.2.172.0/24 9466 UUNET Japan Limited 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 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 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 192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 7.1.1.0/24 1239 Sprint 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 180.190.0.0/16 24003 JUBILANT ORGANOSYS LTD., INDI 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /9:10 /10:13 /11:33 /12:117 /13:238 /14:416 /15:818 /16:9238 /17:3746 /18:6100 /19:13198 /20:14849 /21:13349 /22:17253 /23:18634 /24:118098 /25:765 /26:534 /27:467 /28:183 /29:150 /30:468 /31:0 /32:80
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3589 4830 UUNET Technologies, Inc. 18566 971 989 Covad Communications 11492 898 912 Cable One 705 862 1399 UUNET Technologies, Inc. 7018 853 1544 AT&T WorldNet Services 9583 843 1009 Sify Limited 2386 830 1105 AT&T Data Communications Serv 6197 795 1023 BellSouth Network Solutions, 23577 761 775 Korea Telecom (ATM-MPLS) 7011 634 731 Citizens Utilities 9498 590 933 BHARTI BT INTERNET LTD. 4766 571 763 Korea Telecom (KIX) 19916 563 568 OLM LLC 7046 550 797 UUNET Technologies, Inc. 4755 499 1089 Videsh Sanchar Nigam Ltd. Aut 15270 468 500 PaeTec.net -a division of Pae 855 464 565 Canadian Research Network 18101 447 515 Reliance Infocom Ltd Internet 5668 445 580 CenturyTel Internet Holdings, 17488 411 588 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:61 9:1 12:1676 13:1 15:15 16:3 17:3 18:5 20:38 24:877 25:1 32:173 38:277 40:57 41:66 44:2 47:10 52:4 55:1 56:3 57:43 58:299 59:378 60:203 61:969 62:1091 63:3333 64:3330 65:3660 66:3208 67:735 68:637 69:1733 70:429 71:133 72:1144 73:1 74:149 75:64 76:22 77:3 80:840 81:782 82:684 83:359 84:503 85:764 86:465 87:474 88:276 89:770 90:2 91:177 97:1 116:1 117:1 118:1 119:1 120:1 121:127 122:68 123:26 124:567 125:788 128:304 129:221 130:126 131:318 132:49 133:11 134:182 135:44 136:180 137:118 138:190 139:104 140:519 141:134 142:393 143:212 144:268 145:66 146:317 147:141 148:368 149:193 150:115 151:117 152:90 153:119 154:6 155:250 156:125 157:173 158:170 159:147 160:97 161:91 162:228 163:160 164:459 165:288 166:246 167:281 168:493 169:121 170:379 171:15 172:1 189:145 190:357 192:5796 193:3674 194:2963 195:2337 196:987 198:3928 199:3355 200:4655 201:964 202:7200 203:7330 204:4114 205:2220 206:2667 207:3155 208:3137 209:3702 210:2346 211:932 212:1354 213:1476 214:395 215:39 216:4225 217:1342 218:377 219:268 220:861 221:365 222:277
End of report
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