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Routing Table Report 00:00 GMT Thu 29 Jun, 2006
Analysis Summary ----------------
BGP routing table entries examined: 204085 Prefixes after maximum aggregation: 107255 Unique aggregates announced to Internet: 93696 Total ASes present in the Internet Routing Table: 22642 Origin-only ASes present in the Internet Routing Table: 19627 Origin ASes announcing only one prefix: 9406 Transit ASes present in the Internet Routing Table: 3015 Transit-only ASes present in the Internet Routing Table: 73 Average AS path length visible in the Internet Routing Table: 4.2 Max AS path length visible: 21 Max AS path prepend of ASN (32609) 16 Prefixes from unregistered ASNs in the Routing Table: 22 Unregistered ASNs in the Routing Table: 17 Special use prefixes present in the Routing Table: 5 Prefixes being announced from unallocated address space: 10 Number of addresses announced to Internet: 1534498229 Equivalent to 91 /8s, 118 /16s and 149 /24s Percentage of available address space announced: 41.4 Percentage of allocated address space announced: 59.9 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 104466
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 42165 Total APNIC prefixes after maximum aggregation: 17085 Prefixes being announced from the APNIC address blocks: 39791 Unique aggregates announced from the APNIC address blocks: 18391 APNIC Region origin ASes present in the Internet Routing Table: 2629 APNIC Region origin ASes announcing only one prefix: 743 APNIC Region transit ASes present in the Internet Routing Table: 412 Average APNIC Region AS path length visible: 4.6 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 230484132 Equivalent to 13 /8s, 188 /16s and 232 /24s Percentage of available APNIC address space announced: 72.1
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: 108181 Total ARIN prefixes after maximum aggregation: 59605 Prefixes being announced from the ARIN address blocks: 80538 Unique aggregates announced from the ARIN address blocks: 27022 ARIN Region origin ASes present in the Internet Routing Table: 10822 ARIN Region origin ASes announcing only one prefix: 4077 ARIN Region transit ASes present in the Internet Routing Table: 1028 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 294970145 Equivalent to 17 /8s, 148 /16s and 227 /24s Percentage of available ARIN address space announced: 76.4
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: 39757 Total RIPE prefixes after maximum aggregation: 25916 Prefixes being announced from the RIPE address blocks: 37147 Unique aggregates announced from the RIPE address blocks: 23899 RIPE Region origin ASes present in the Internet Routing Table: 8252 RIPE Region origin ASes announcing only one prefix: 4303 RIPE Region transit ASes present in the Internet Routing Table: 1374 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 20 Number of RIPE addresses announced to Internet: 255093376 Equivalent to 15 /8s, 52 /16s and 106 /24s Percentage of available RIPE address space announced: 80.0
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: 11634 Total LACNIC prefixes after maximum aggregation: 3729 Prefixes being announced from the LACNIC address blocks: 9761 Unique aggregates announced from the LACNIC address blocks: 5582 LACNIC Region origin ASes present in the Internet Routing Table: 705 LACNIC Region origin ASes announcing only one prefix: 236 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: 21 Number of LACNIC addresses announced to Internet: 28024320 Equivalent to 1 /8s, 171 /16s and 158 /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: 2327 Total AfriNIC prefixes after maximum aggregation: 920 Prefixes being announced from the AfriNIC address blocks: 1554 Unique aggregates announced from the AfriNIC address blocks: 942 AfriNIC Region origin ASes present in the Internet Routing Table: 161 AfriNIC Region origin ASes announcing only one prefix: 47 AfriNIC Region transit ASes present in the Internet Routing Table: 25 Average AfriNIC Region AS path length visible: 3.6 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 4144640 Equivalent to 0 /8s, 63 /16s and 62 /24s Percentage of available AfriNIC address space announced: 12.4
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 1243 7254 229 CHINANET-BACKBONE 4755 923 256 68 Videsh Sanchar Nigam Ltd. Aut 9583 906 109 15 Sify Limited 4766 714 4435 309 Korea Telecom (KIX) 9498 674 211 65 BHARTI BT INTERNET LTD. 1221 648 1668 480 Telstra Pty Ltd 7545 547 124 71 TPG Internet Pty Ltd 17676 490 7093 110 Softbank BB Corp. 17488 488 30 39 Hathway IP Over Cable Interne 4538 481 2717 31 China Education and Research 9443 452 111 83 Primus Telecommunications 18101 421 85 24 Reliance Infocom Ltd Internet 17557 389 30 170 Pakistan Telecom 4802 384 81 171 Wantree Development 17974 382 129 14 PT TELEKOMUNIKASI INDONESIA 9929 377 254 65 China Netcom Corp. 7474 360 211 227 SingTel Optus Pty Ltd 2907 338 1733 312 SINET Japan 4804 304 295 57 Microplex PTY LTD 10139 281 19 5 Meridian Telekoms
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 673 1932 445 UUNET - Commercial IP service 3215 405 1720 96 France Telecom Transpac 3301 312 1327 297 TeliaNet Sweden 3352 305 1643 30 Ibernet, Internet Access Netw 3320 284 3988 239 Deutsche Telekom AG 8220 281 471 266 COLT Telecommunications 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 218 276 204 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 199 18 76 SC Kappa Invexim SRL 8866 187 37 15 Bulgarian Telecommunication C 6830 176 813 37 UPC Distribution Services 3300 171 171 98 AUCS Communications Services 786 170 1778 170 The JANET IP Service
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 5016 6752 772 UUNET Technologies, Inc. 4323 3152 744 265 Time Warner Telecom 705 1549 574 681 UUNET Technologies, Inc. 7018 1483 6240 951 AT&T WorldNet Services 721 1021 21998 314 DLA Systems Automation Center 6197 1015 636 478 BellSouth Network Solutions, 174 965 5771 896 Cogent Communications 18566 945 272 8 Covad Communications 2386 912 560 706 AT&T Data Communications Serv 7046 846 253 700 UUNET Technologies, Inc. 1239 842 2765 602 Sprint 19262 719 2168 188 Verizon Global Networks 20115 713 619 381 Charter Communications 209 692 3667 547 Qwest 22773 663 1741 35 Cox Communications, Inc. 7011 646 217 410 Citizens Utilities 11492 642 89 10 Cable One 6461 607 227 83 AboveNet Communications, Inc. 6198 604 568 238 BellSouth Network Solutions, 852 597 1084 382 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3152 2887 Time Warner Telecom 4134 1243 1014 CHINANET-BACKBONE 18566 945 937 Covad Communications 9583 906 891 Sify Limited 705 1549 868 UUNET Technologies, Inc. 4755 923 855 Videsh Sanchar Nigam Ltd. Aut 721 1021 707 DLA Systems Automation Center 11492 642 632 Cable One 22773 663 628 Cox Communications, Inc. 9498 674 609 BHARTI BT INTERNET LTD. 6197 1015 537 BellSouth Network Solutions, 7018 1483 532 AT&T WorldNet Services 19262 719 531 Verizon Global Networks 6461 607 524 AboveNet Communications, Inc. 19916 563 509 OLM LLC 5668 529 506 CenturyTel Internet Holdings, 8151 724 501 UniNet S.A. de C.V. 855 571 497 Canadian Research Network 7545 547 476 TPG Internet Pty Ltd 4538 481 450 China Education and Research
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 65101 PRIVATE 84.16.31.0/24 12956 Telefonica Data Auto 65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network 64704 PRIVATE 86.70.139.0/24 34383 TELOISE 65535 PRIVATE 200.32.160.0/21 6429 AT&T Chile Internet 65535 PRIVATE 200.32.168.0/23 6429 AT&T Chile Internet 65535 PRIVATE 202.136.215.0/24 24141 Shanghai DMT Informa 65535 PRIVATE 202.136.217.0/24 24141 Shanghai DMT Informa 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 65010 PRIVATE 212.2.12.160/28 8190 VIATEL 65444 PRIVATE 212.25.125.0/24 8551 Bezeq International 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 /10:9 /11:28 /12:93 /13:207 /14:364 /15:719 /16:8890 /17:3338 /18:5523 /19:12068 /20:13736 /21:12275 /22:15540 /23:16720 /24:112443 /25:463 /26:351 /27:283 /28:210 /29:209 /30:490 /31:0 /32:99
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3764 5016 UUNET Technologies, Inc. 4323 1876 3152 Time Warner Telecom 705 988 1549 UUNET Technologies, Inc. 18566 928 945 Covad Communications 6197 795 1015 BellSouth Network Solutions, 7018 787 1483 AT&T WorldNet Services 9583 736 906 Sify Limited 2386 635 912 AT&T Data Communications Serv 11492 630 642 Cable One 7046 601 846 UUNET Technologies, Inc. 19916 557 563 OLM LLC 7011 555 646 Citizens Utilities 6461 535 607 AboveNet Communications, Inc. 4766 525 714 Korea Telecom (KIX) 702 459 673 UUNET - Commercial IP service 2686 448 493 IBM 6198 446 604 BellSouth Network Solutions, 855 445 571 Canadian Research Network 5668 412 529 CenturyTel Internet Holdings, 15270 408 439 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:9 8:42 12:1624 13:1 15:16 16:3 17:3 18:4 20:41 24:774 25:1 30:2 32:233 38:231 40:54 41:3 44:3 47:6 52:4 55:1 56:3 57:46 58:192 59:268 60:184 61:884 62:940 63:3426 64:3558 65:3667 66:3750 67:635 68:680 69:1546 70:386 71:86 72:797 74:50 75:1 80:782 81:659 82:687 83:400 84:388 85:575 86:390 87:370 88:109 89:305 121:1 122:2 123:1 124:173 125:496 128:155 129:189 130:120 131:315 132:35 133:8 134:160 135:48 136:178 137:84 138:206 139:138 140:481 141:134 142:405 143:168 144:224 145:39 146:314 147:142 148:339 149:194 150:113 151:93 152:72 153:106 154:6 155:201 156:183 157:145 158:164 159:172 160:91 161:80 162:245 163:158 164:224 165:216 166:172 167:243 168:610 169:128 170:353 171:14 183:1 190:81 192:5830 193:3375 194:2755 195:2088 196:875 198:4091 199:3307 200:4480 201:1001 202:6882 203:7075 204:4082 205:2172 206:2784 207:3557 208:2974 209:3802 210:2104 211:752 212:1397 213:1590 214:358 215:41 216:4367 217:1395 218:310 219:268 220:730 221:363 222:198
End of report
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