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Routing Table Report 00:00 GMT Mon 03 Jul, 2006
Analysis Summary ----------------
BGP routing table entries examined: 204262 Prefixes after maximum aggregation: 107188 Unique aggregates announced to Internet: 93626 Total ASes present in the Internet Routing Table: 22630 Origin-only ASes present in the Internet Routing Table: 19683 Origin ASes announcing only one prefix: 9418 Transit ASes present in the Internet Routing Table: 2947 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 36 Max AS path prepend of ASN (33776) 21 Prefixes from unregistered ASNs in the Routing Table: 22 Unregistered ASNs in the Routing Table: 14 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1539186069 Equivalent to 91 /8s, 190 /16s and 29 /24s Percentage of available address space announced: 41.5 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 104597
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 42402 Total APNIC prefixes after maximum aggregation: 17084 Prefixes being announced from the APNIC address blocks: 40005 Unique aggregates announced from the APNIC address blocks: 18374 APNIC Region origin ASes present in the Internet Routing Table: 2630 APNIC Region origin ASes announcing only one prefix: 742 APNIC Region transit ASes present in the Internet Routing Table: 402 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 19 Number of APNIC addresses announced to Internet: 234920356 Equivalent to 14 /8s, 0 /16s and 153 /24s Percentage of available APNIC address space announced: 73.5
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: 108104 Total ARIN prefixes after maximum aggregation: 59519 Prefixes being announced from the ARIN address blocks: 80512 Unique aggregates announced from the ARIN address blocks: 27019 ARIN Region origin ASes present in the Internet Routing Table: 10817 ARIN Region origin ASes announcing only one prefix: 4081 ARIN Region transit ASes present in the Internet Routing Table: 1009 Average ARIN Region AS path length visible: 3.2 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 295058689 Equivalent to 17 /8s, 150 /16s and 61 /24s Percentage of available ARIN address space announced: 76.5
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, 199/8, 204/6, 208/7 and 216/8
RIPE Region Analysis Summary ----------------------------
Prefixes being announced by RIPE Region ASes: 39733 Total RIPE prefixes after maximum aggregation: 25921 Prefixes being announced from the RIPE address blocks: 37093 Unique aggregates announced from the RIPE address blocks: 23895 RIPE Region origin ASes present in the Internet Routing Table: 8246 RIPE Region origin ASes announcing only one prefix: 4312 RIPE Region transit ASes present in the Internet Routing Table: 1343 Average RIPE Region AS path length visible: 3.2 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 255173504 Equivalent to 15 /8s, 53 /16s and 163 /24s Percentage of available RIPE address space announced: 80.1
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 40960-41983 RIPE Address Blocks 62/8, 80/5, 88/6, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 11696 Total LACNIC prefixes after maximum aggregation: 3749 Prefixes being announced from the LACNIC address blocks: 9821 Unique aggregates announced from the LACNIC address blocks: 5588 LACNIC Region origin ASes present in the Internet Routing Table: 707 LACNIC Region origin ASes announcing only one prefix: 238 LACNIC Region transit ASes present in the Internet Routing Table: 131 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 28066048 Equivalent to 1 /8s, 172 /16s and 65 /24s Percentage of available LACNIC address space announced: 41.8
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: 2306 Total AfriNIC prefixes after maximum aggregation: 915 Prefixes being announced from the AfriNIC address blocks: 1550 Unique aggregates announced from the AfriNIC address blocks: 920 AfriNIC Region origin ASes present in the Internet Routing Table: 158 AfriNIC Region origin ASes announcing only one prefix: 45 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 3.3 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC addresses announced to Internet: 4137728 Equivalent to 0 /8s, 63 /16s and 35 /24s Percentage of available AfriNIC address space announced: 12.3
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 1245 7278 224 CHINANET-BACKBONE 4755 924 256 70 Videsh Sanchar Nigam Ltd. Aut 9583 917 109 15 Sify Limited 4766 714 4435 309 Korea Telecom (KIX) 9498 681 211 66 BHARTI BT INTERNET LTD. 1221 649 1668 480 Telstra Pty Ltd 7545 548 124 72 TPG Internet Pty Ltd 17488 519 32 17 Hathway IP Over Cable Interne 4538 497 2717 31 China Education and Research 17676 490 7093 110 Softbank BB Corp. 9443 452 111 83 Primus Telecommunications 18101 421 85 24 Reliance Infocom Ltd Internet 17849 388 28 124 Telecommunications Technology 17557 383 30 173 Pakistan Telecom 17974 383 129 14 PT TELEKOMUNIKASI INDONESIA 4802 382 81 169 Wantree Development 9929 377 254 65 China Netcom Corp. 7474 361 211 228 SingTel Optus Pty Ltd 2907 341 1750 315 SINET Japan 4804 305 295 58 Microplex PTY LTD
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 669 1948 444 UUNET - Commercial IP service 3215 406 1728 96 France Telecom Transpac 3301 312 1327 297 TeliaNet Sweden 3352 305 1643 30 Ibernet, Internet Access Netw 8220 284 471 267 COLT Telecommunications 3320 282 3988 237 Deutsche Telekom AG 680 246 2041 243 DFN-IP service G-WiN 6746 239 90 214 Dynamic Network Technologies, 5089 236 1659 45 NTL Group Limited 3246 231 463 221 Song Networks 1257 223 741 167 SWIPnet Swedish IP Network 8708 215 276 204 Romania Data Systems S.A. 24863 215 42 10 LINKdotNET AS number 8551 209 198 29 Bezeq International 3269 202 2184 73 TELECOM ITALIA 30890 198 18 77 SC Kappa Invexim SRL 8866 187 37 15 Bulgarian Telecommunication C 6830 176 813 37 UPC Distribution Services 786 170 1778 170 The JANET IP Service 3300 170 171 97 AUCS Communications Services
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 5023 6770 779 UUNET Technologies, Inc. 4323 3174 748 269 Time Warner Telecom 705 1550 574 681 UUNET Technologies, Inc. 7018 1485 6270 944 AT&T WorldNet Services 6197 1016 636 483 BellSouth Network Solutions, 721 1014 21998 314 DLA Systems Automation Center 174 960 5739 890 Cogent Communications 18566 945 272 8 Covad Communications 2386 918 561 712 AT&T Data Communications Serv 1239 850 2791 605 Sprint 7046 844 253 700 UUNET Technologies, Inc. 19262 721 2184 189 Verizon Global Networks 20115 713 619 381 Charter Communications 209 695 3681 548 Qwest 22773 667 1741 37 Cox Communications, Inc. 7011 648 218 412 Citizens Utilities 11492 642 89 10 Cable One 6461 609 227 84 AboveNet Communications, Inc. 6198 600 568 237 BellSouth Network Solutions, 852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3174 2905 Time Warner Telecom 4134 1245 1021 CHINANET-BACKBONE 18566 945 937 Covad Communications 9583 917 902 Sify Limited 705 1550 869 UUNET Technologies, Inc. 4755 924 854 Videsh Sanchar Nigam Ltd. Aut 721 1014 700 DLA Systems Automation Center 11492 642 632 Cable One 22773 667 630 Cox Communications, Inc. 9498 681 615 BHARTI BT INTERNET LTD. 7018 1485 541 AT&T WorldNet Services 6197 1016 533 BellSouth Network Solutions, 19262 721 532 Verizon Global Networks 6461 609 525 AboveNet Communications, Inc. 19916 563 509 OLM LLC 5668 529 506 CenturyTel Internet Holdings, 17488 519 502 Hathway IP Over Cable Interne 855 569 499 Canadian Research Network 8151 694 479 UniNet S.A. de C.V. 7545 548 476 TPG Internet Pty Ltd
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 64666 PRIVATE 2.2.2.0/24 8001 Net Access Corporati 65000 PRIVATE 64.25.139.64/29 21947 Cutthroat Communicat 65473 PRIVATE 66.246.179.0/24 8001 Net Access Corporati 65500 PRIVATE 80.68.8.0/24 20806 JSCITT Autonomous Sy 64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli 65007 PRIVATE 84.204.244.0/24 20632 PETERSTAR Autonomous 65007 PRIVATE 84.204.245.0/24 20632 PETERSTAR Autonomous 65007 PRIVATE 84.204.246.0/24 20632 PETERSTAR Autonomous 65007 PRIVATE 84.204.247.0/24 20632 PETERSTAR Autonomous 65007 PRIVATE 84.204.248.0/24 20632 PETERSTAR Autonomous 65007 PRIVATE 84.204.249.0/24 20632 PETERSTAR Autonomous 65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet 65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65010 PRIVATE 212.2.12.160/28 8190 VIATEL 64565 PRIVATE 212.111.35.128/27 4513 PFM Communications, 64560 PRIVATE 213.219.53.192/26 4513 PFM Communications, 65000 PRIVATE 216.136.11.0/24 27182 Peregrine Capital Ma 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 0.0.0.0/8 3303 Swisscom Ltd 172.16.2.32/27 6325 Illinois Century Network 172.16.2.80/28 6325 Illinois Century Network 172.31.31.0/30 6325 Illinois Century Network 192.168.83.0/24 292 Energy Sciences Network
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 2.2.2.0/24 64666 PRIVATE ASN 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 183.206.196.0/24 2188 FR-RENATER-ASTER 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 192.84.205.0/24 719 LANLINK autonomous system 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 /8:18 /9:9 /10:10 /11:28 /12:93 /13:207 /14:364 /15:718 /16:8891 /17:3345 /18:5538 /19:12080 /20:13747 /21:12293 /22:15525 /23:16821 /24:112476 /25:467 /26:354 /27:281 /28:213 /29:211 /30:474 /31:0 /32:99
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3770 5023 UUNET Technologies, Inc. 4323 1881 3174 Time Warner Telecom 705 988 1550 UUNET Technologies, Inc. 18566 928 945 Covad Communications 6197 796 1016 BellSouth Network Solutions, 7018 791 1485 AT&T WorldNet Services 9583 747 917 Sify Limited 2386 635 918 AT&T Data Communications Serv 11492 630 642 Cable One 7046 598 844 UUNET Technologies, Inc. 7011 557 648 Citizens Utilities 19916 557 563 OLM LLC 6461 536 609 AboveNet Communications, Inc. 4766 525 714 Korea Telecom (KIX) 702 454 669 UUNET - Commercial IP service 2686 449 494 IBM 855 447 569 Canadian Research Network 6198 442 600 BellSouth Network Solutions, 5668 412 529 CenturyTel Internet Holdings, 15270 409 440 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:9 8:41 12:1625 13:1 15:16 16:3 17:3 18:4 20:41 24:774 25:1 30:2 32:233 38:229 40:54 41:2 43:16 44:3 47:6 52:4 55:1 56:3 57:46 58:190 59:272 60:183 61:858 62:930 63:3417 64:3550 65:3656 66:3738 67:639 68:676 69:1542 70:389 71:85 72:798 74:50 75:1 80:789 81:657 82:686 83:397 84:388 85:574 86:391 87:381 88:110 89:309 121:2 122:2 123:1 124:265 125:528 128:151 129:189 130:120 131:313 132:35 133:8 134:160 135:48 136:167 137:84 138:206 139:138 140:493 141:134 142:407 143:165 144:165 145:39 146:320 147:142 148:341 149:194 150:114 151:94 152:72 153:106 154:6 155:206 156:184 157:145 158:167 159:174 160:91 161:80 162:244 163:158 164:229 165:222 166:171 167:243 168:610 169:128 170:352 171:14 183:1 190:81 192:5823 193:3386 194:2753 195:2077 196:894 198:4091 199:3274 200:4509 201:1001 202:6851 203:7075 204:4078 205:2177 206:2799 207:3561 208:2978 209:3797 210:2094 211:753 212:1381 213:1594 214:353 215:41 216:4373 217:1390 218:310 219:281 220:734 221:367 222:198
End of report
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