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Routing Table Report 00:00 GMT Sat 11 Nov, 2006
Analysis Summary ----------------
BGP routing table entries examined: 213888 Prefixes after maximum aggregation: 112050 Unique aggregates announced to Internet: 98177 Total ASes present in the Internet Routing Table: 23718 Origin-only ASes present in the Internet Routing Table: 20584 Origin ASes announcing only one prefix: 9927 Transit ASes present in the Internet Routing Table: 3134 Transit-only ASes present in the Internet Routing Table: 81 Average AS path length visible in the Internet Routing Table: 4.3 Max AS path length visible: 31 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: 2 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1632393964 Equivalent to 97 /8s, 76 /16s and 90 /24s Percentage of available address space announced: 44.0 Percentage of allocated address space announced: 60.9 Percentage of available address space allocated: 72.3 Total number of prefixes smaller than registry allocations: 111055
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 46297 Total APNIC prefixes after maximum aggregation: 18378 Prefixes being announced from the APNIC address blocks: 43799 Unique aggregates announced from the APNIC address blocks: 18520 APNIC Region origin ASes present in the Internet Routing Table: 2768 APNIC Region origin ASes announcing only one prefix: 778 APNIC Region transit ASes present in the Internet Routing Table: 431 Average APNIC Region AS path length visible: 4.2 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 268127952 Equivalent to 15 /8s, 251 /16s and 78 /24s Percentage of available APNIC address space announced: 83.8
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: 108984 Total ARIN prefixes after maximum aggregation: 61356 Prefixes being announced from the ARIN address blocks: 81113 Unique aggregates announced from the ARIN address blocks: 28265 ARIN Region origin ASes present in the Internet Routing Table: 11147 ARIN Region origin ASes announcing only one prefix: 4233 ARIN Region transit ASes present in the Internet Routing Table: 1067 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 31 Number of ARIN addresses announced to Internet: 309378048 Equivalent to 18 /8s, 112 /16s and 188 /24s Percentage of available ARIN address space announced: 68.3
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: 42980 Total RIPE prefixes after maximum aggregation: 27501 Prefixes being announced from the RIPE address blocks: 39976 Unique aggregates announced from the RIPE address blocks: 25608 RIPE Region origin ASes present in the Internet Routing Table: 8808 RIPE Region origin ASes announcing only one prefix: 4625 RIPE Region transit ASes present in the Internet Routing Table: 1436 Average RIPE Region AS path length visible: 4.9 Max RIPE Region AS path length visible: 22 Number of RIPE addresses announced to Internet: 274605504 Equivalent to 16 /8s, 94 /16s and 37 /24s Percentage of available RIPE address space announced: 74.4
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 40960-41983 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: 13262 Total LACNIC prefixes after maximum aggregation: 3859 Prefixes being announced from the LACNIC address blocks: 11240 Unique aggregates announced from the LACNIC address blocks: 6489 LACNIC Region origin ASes present in the Internet Routing Table: 748 LACNIC Region origin ASes announcing only one prefix: 243 LACNIC Region transit ASes present in the Internet Routing Table: 135 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 34025728 Equivalent to 2 /8s, 7 /16s and 49 /24s Percentage of available LACNIC address space announced: 50.7
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: 2341 Total AfriNIC prefixes after maximum aggregation: 956 Prefixes being announced from the AfriNIC address blocks: 1730 Unique aggregates announced from the AfriNIC address blocks: 987 AfriNIC Region origin ASes present in the Internet Routing Table: 166 AfriNIC Region origin ASes announcing only one prefix: 48 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 19 Number of AfriNIC addresses announced to Internet: 4484112 Equivalent to 0 /8s, 68 /16s and 108 /24s Percentage of available AfriNIC address space announced: 13.4
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 1245 8481 248 CHINANET-BACKBONE 4755 1026 383 62 Videsh Sanchar Nigam Ltd. Aut 9583 966 109 15 Sify Limited 9498 873 212 63 BHARTI BT INTERNET LTD. 23577 773 34 704 KRNIC 4766 738 4949 306 Korea Telecom (KIX) 4538 672 2782 34 China Education and Research 1221 645 1780 479 Telstra Pty Ltd 7545 547 124 73 TPG Internet Pty Ltd 17488 546 34 15 Hathway IP Over Cable Interne 17676 500 10934 64 Softbank BB Corp. 18101 475 86 22 Reliance Infocom Ltd Internet 9443 443 111 74 Primus Telecommunications 4812 439 749 62 China Telecom (Shanghai) 9942 438 79 130 COMindico Australia 17849 430 36 126 Telecommunications Technology 4802 414 86 152 Wantree Development 17557 368 32 178 Pakistan Telecom 17974 368 129 12 PT TELEKOMUNIKASI INDONESIA 7474 366 210 227 SingTel Optus Pty Ltd
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 551 1929 430 UUNET - Commercial IP service 3292 467 1145 116 TDC Tele Danmark 3215 404 1964 93 France Telecom Transpac 24863 376 44 14 LINKdotNET AS number 3301 312 1200 296 TeliaNet Sweden 3320 308 5017 249 Deutsche Telekom AG 8220 276 468 263 COLT Telecommunications 6746 259 92 236 Dynamic Network Technologies, 1257 254 1072 175 SWIPnet Swedish IP Network 680 250 2041 246 DFN-IP service G-WiN 5089 245 1657 52 NTL Group Limited 9116 237 134 23 Goldenlines main autonomous s 3246 234 475 220 Song Networks 8708 222 279 209 Romania Data Systems S.A. 8551 216 198 28 Bezeq International 3269 208 2357 75 TELECOM ITALIA 30890 202 18 80 SC Kappa Invexim SRL 5416 189 13 9 BATELCO-BH 3300 179 171 95 AUCS Communications Services 6830 174 695 38 UPC Distribution Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 4904 6706 775 UUNET Technologies, Inc. 7018 1514 6163 977 AT&T WorldNet Services 705 1440 555 639 UUNET Technologies, Inc. 2386 1112 570 737 AT&T Data Communications Serv 4323 1043 788 296 Time Warner Telecom 6197 1021 613 497 BellSouth Network Solutions, 18566 975 272 8 Covad Communications 174 968 6840 891 Cogent Communications 721 856 21925 306 DLA Systems Automation Center 1239 841 2748 587 Sprint 7046 829 252 678 UUNET Technologies, Inc. 11492 803 96 20 Cable One 19262 782 2426 177 Verizon Global Networks 20115 759 682 408 Charter Communications 22773 716 1744 42 Cox Communications, Inc. 209 702 3775 550 Qwest 7011 680 213 430 Citizens Utilities 852 608 1087 389 Telus Advanced Communications 19916 565 49 54 OLM LLC 5668 549 161 19 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4134 1245 997 CHINANET-BACKBONE 18566 975 967 Covad Communications 4755 1026 964 Videsh Sanchar Nigam Ltd. Aut 9583 966 951 Sify Limited 9498 873 810 BHARTI BT INTERNET LTD. 705 1440 801 UUNET Technologies, Inc. 11492 803 783 Cable One 4323 1043 747 Time Warner Telecom 22773 716 674 Cox Communications, Inc. 4538 672 638 China Education and Research 19262 782 605 Verizon Global Networks 8151 770 553 UniNet S.A. de C.V. 721 856 550 DLA Systems Automation Center 7018 1514 537 AT&T WorldNet Services 17488 546 531 Hathway IP Over Cable Interne 5668 549 530 CenturyTel Internet Holdings, 6197 1021 524 BellSouth Network Solutions, 19916 565 511 OLM LLC 11830 506 497 Instituto Costarricense de El 7545 547 474 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 65010 PRIVATE 135.196.7.112/29 8190 VIATEL 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 65400 PRIVATE 159.168.0.0/16 33965 AEW-Energie AG 65001 PRIVATE 193.222.224.0/20 33965 AEW-Energie AG 65001 PRIVATE 193.222.240.0/24 33965 AEW-Energie AG 65106 PRIVATE 195.219.161.0/27 6453 Teleglobe Inc. 65000 PRIVATE 203.98.210.64/27 1803 SPRINT 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 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 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 192.44.0.0/24 5501 Fraunhofer Gesellschaft 192.44.0.0/19 702 UUNET - Commercial IP service 192.70.164.0/24 25689 National Research Council of 192.153.136.0/21 721 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 /11:30 /12:111 /13:227 /14:398 /15:800 /16:9087 /17:3643 /18:5902 /19:12855 /20:14520 /21:13045 /22:16707 /23:18164 /24:115395 /25:749 /26:530 /27:464 /28:229 /29:225 /30:674 /31:3 /32:88
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3647 4904 UUNET Technologies, Inc. 18566 958 975 Covad Communications 705 900 1440 UUNET Technologies, Inc. 2386 833 1112 AT&T Data Communications Serv 7018 803 1514 AT&T WorldNet Services 6197 801 1021 BellSouth Network Solutions, 9583 793 966 Sify Limited 11492 789 803 Cable One 23577 759 773 KRNIC 7011 586 680 Citizens Utilities 7046 577 829 UUNET Technologies, Inc. 19916 559 565 OLM LLC 4766 547 738 Korea Telecom (KIX) 9498 531 873 BHARTI BT INTERNET LTD. 4755 458 1026 Videsh Sanchar Nigam Ltd. Aut 15270 451 482 PaeTec.net -a division of Pae 855 435 539 Canadian Research Network 5668 426 549 CenturyTel Internet Holdings, 1239 417 841 Sprint 17849 416 430 Telecommunications Technology
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 8:58 12:1659 13:1 15:16 16:3 17:3 18:4 20:39 24:837 25:1 32:177 38:265 40:57 41:18 44:2 47:8 52:4 53:1 55:1 56:3 57:54 58:267 59:343 60:218 61:959 62:1149 63:3323 64:3291 65:3612 66:3191 67:677 68:653 69:1701 70:407 71:109 72:1011 74:111 75:30 76:44 80:869 81:703 82:594 83:380 84:453 85:728 86:419 87:418 88:241 89:573 91:83 121:66 122:24 123:3 124:436 125:695 128:294 129:205 130:125 131:314 132:35 133:9 134:175 135:49 136:173 137:114 138:208 139:99 140:523 141:135 142:368 143:192 144:251 145:43 146:332 147:145 148:365 149:180 150:116 151:118 152:81 153:120 154:6 155:264 156:150 157:164 158:152 159:173 160:97 161:90 162:214 163:148 164:283 165:236 166:243 167:269 168:487 169:124 170:381 171:11 172:1 190:284 192:5823 193:3597 194:2822 195:2243 196:948 198:3958 199:3377 200:4578 201:947 202:7122 203:7186 204:4064 205:2221 206:2638 207:3157 208:3157 209:3695 210:2238 211:984 212:1415 213:1502 214:378 215:39 216:4305 217:1365 218:365 219:291 220:802 221:372 222:259
End of report
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