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Routing Table Report 00:00 GMT Tue 27 Jun, 2006
Analysis Summary ----------------
BGP routing table entries examined: 204495 Prefixes after maximum aggregation: 107054 Unique aggregates announced to Internet: 92941 Total ASes present in the Internet Routing Table: 22596 Origin-only ASes present in the Internet Routing Table: 19609 Origin ASes announcing only one prefix: 9396 Transit ASes present in the Internet Routing Table: 2987 Transit-only ASes present in the Internet Routing Table: 69 Average AS path length visible in the Internet Routing Table: 3.4 Max AS path length visible: 36 Max AS path prepend of ASN (33776) 21 Prefixes from unregistered ASNs in the Routing Table: 16 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: 1540274133 Equivalent to 91 /8s, 206 /16s and 183 /24s Percentage of available address space announced: 41.6 Percentage of allocated address space announced: 60.1 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 105194
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 41966 Total APNIC prefixes after maximum aggregation: 17015 Prefixes being announced from the APNIC address blocks: 39571 Unique aggregates announced from the APNIC address blocks: 18382 APNIC Region origin ASes present in the Internet Routing Table: 2618 APNIC Region origin ASes announcing only one prefix: 746 APNIC Region transit ASes present in the Internet Routing Table: 410 Average APNIC Region AS path length visible: 3.9 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 230431652 Equivalent to 13 /8s, 188 /16s and 27 /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: 108841 Total ARIN prefixes after maximum aggregation: 59580 Prefixes being announced from the ARIN address blocks: 81214 Unique aggregates announced from the ARIN address blocks: 27035 ARIN Region origin ASes present in the Internet Routing Table: 10815 ARIN Region origin ASes announcing only one prefix: 4078 ARIN Region transit ASes present in the Internet Routing Table: 1001 Average ARIN Region AS path length visible: 3.0 Max ARIN Region AS path length visible: 20 Number of ARIN addresses announced to Internet: 294861857 Equivalent to 17 /8s, 147 /16s and 60 /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: 39772 Total RIPE prefixes after maximum aggregation: 25834 Prefixes being announced from the RIPE address blocks: 37180 Unique aggregates announced from the RIPE address blocks: 23207 RIPE Region origin ASes present in the Internet Routing Table: 8228 RIPE Region origin ASes announcing only one prefix: 4287 RIPE Region transit ASes present in the Internet Routing Table: 1376 Average RIPE Region AS path length visible: 3.7 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 261246848 Equivalent to 15 /8s, 146 /16s and 79 /24s Percentage of available RIPE address space announced: 82.0
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: 11578 Total LACNIC prefixes after maximum aggregation: 3711 Prefixes being announced from the LACNIC address blocks: 9735 Unique aggregates announced from the LACNIC address blocks: 5553 LACNIC Region origin ASes present in the Internet Routing Table: 705 LACNIC Region origin ASes announcing only one prefix: 239 LACNIC Region transit ASes present in the Internet Routing Table: 137 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC addresses announced to Internet: 27946752 Equivalent to 1 /8s, 170 /16s and 111 /24s Percentage of available LACNIC address space announced: 41.6
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: 2323 Total AfriNIC prefixes after maximum aggregation: 914 Prefixes being announced from the AfriNIC address blocks: 1561 Unique aggregates announced from the AfriNIC address blocks: 947 AfriNIC Region origin ASes present in the Internet Routing Table: 161 AfriNIC Region origin ASes announcing only one prefix: 46 AfriNIC Region transit ASes present in the Internet Routing Table: 26 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 36 Number of AfriNIC addresses announced to Internet: 4144128 Equivalent to 0 /8s, 63 /16s and 60 /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 1241 7245 228 CHINANET-BACKBONE 9583 899 109 15 Sify Limited 4755 724 254 55 Videsh Sanchar Nigam Ltd. Aut 4766 713 4435 308 Korea Telecom (KIX) 9498 653 211 66 BHARTI BT INTERNET LTD. 1221 649 1668 481 Telstra Pty Ltd 7545 546 124 70 TPG Internet Pty Ltd 17676 490 7093 110 Softbank BB Corp. 4538 470 2717 31 China Education and Research 9443 452 111 83 Primus Telecommunications 17488 452 29 23 Hathway IP Over Cable Interne 18101 419 85 24 Reliance Infocom Ltd Internet 17557 397 31 175 Pakistan Telecom 4802 384 81 171 Wantree Development 9929 377 254 65 China Netcom Corp. 17974 376 129 14 PT TELEKOMUNIKASI INDONESIA 4780 368 225 27 Digital United Inc. 7474 361 211 228 SingTel Optus Pty Ltd 2907 339 1749 313 SINET Japan 4804 306 295 59 Microplex PTY LTD
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 702 684 1951 447 UUNET - Commercial IP service 3215 405 1720 96 France Telecom Transpac 3301 312 1327 297 TeliaNet Sweden 3352 304 1643 30 Ibernet, Internet Access Netw 3320 285 3988 240 Deutsche Telekom AG 8220 281 471 265 COLT Telecommunications 8551 281 198 23 Bezeq International 680 246 2041 243 DFN-IP service G-WiN 6746 239 90 214 Dynamic Network Technologies, 5089 235 1659 45 NTL Group Limited 3246 230 463 220 Song Networks 1257 223 741 167 SWIPnet Swedish IP Network 8708 218 276 204 Romania Data Systems S.A. 24863 216 42 10 LINKdotNET AS number 3269 201 2182 72 TELECOM ITALIA 30890 196 17 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 9121 169 931 28 TTnet Autonomous System
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 5034 6769 778 UUNET Technologies, Inc. 4323 3151 744 265 Time Warner Telecom 705 1544 572 681 UUNET Technologies, Inc. 7018 1493 6258 961 AT&T WorldNet Services 721 1021 21982 312 DLA Systems Automation Center 6197 1012 630 478 BellSouth Network Solutions, 174 963 5771 897 Cogent Communications 19029 948 151 109 New Edge Networks 18566 945 272 8 Covad Communications 2386 914 560 708 AT&T Data Communications Serv 1239 851 2797 601 Sprint 7046 848 253 702 UUNET Technologies, Inc. 19262 716 2166 187 Verizon Global Networks 20115 713 619 387 Charter Communications 209 694 3683 549 Qwest 22773 665 1741 37 Cox Communications, Inc. 7011 647 217 411 Citizens Utilities 11492 640 87 22 Cable One 6461 607 227 83 AboveNet Communications, Inc. 852 595 1084 380 Telus Advanced Communications
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4323 3151 2886 Time Warner Telecom 4134 1241 1013 CHINANET-BACKBONE 18566 945 937 Covad Communications 9583 899 884 Sify Limited 705 1544 863 UUNET Technologies, Inc. 19029 948 839 New Edge Networks 721 1021 709 DLA Systems Automation Center 4755 724 669 Videsh Sanchar Nigam Ltd. Aut 22773 665 628 Cox Communications, Inc. 11492 640 618 Cable One 9498 653 587 BHARTI BT INTERNET LTD. 6197 1012 534 BellSouth Network Solutions, 7018 1493 532 AT&T WorldNet Services 19262 716 529 Verizon Global Networks 6461 607 524 AboveNet Communications, Inc. 19916 563 509 OLM LLC 5668 527 504 CenturyTel Internet Holdings, 855 549 489 Canadian Research Network 8151 700 481 UniNet S.A. de C.V. 7545 546 476 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 65516 PRIVATE 84.222.96.0/22 3257 Tiscali Intl Network 64704 PRIVATE 86.70.139.0/24 34383 TELOISE 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 /8:19 /9:9 /10:9 /11:28 /12:93 /13:207 /14:364 /15:719 /16:8896 /17:3327 /18:5511 /19:12038 /20:13661 /21:12233 /22:15527 /23:16753 /24:113046 /25:464 /26:352 /27:269 /28:206 /29:207 /30:467 /31:0 /32:90
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3778 5034 UUNET Technologies, Inc. 4323 1876 3151 Time Warner Telecom 705 984 1544 UUNET Technologies, Inc. 18566 928 945 Covad Communications 19029 879 948 New Edge Networks 6197 794 1012 BellSouth Network Solutions, 7018 791 1493 AT&T WorldNet Services 9583 729 899 Sify Limited 2386 635 914 AT&T Data Communications Serv 11492 631 640 Cable One 7046 601 848 UUNET Technologies, Inc. 19916 557 563 OLM LLC 7011 556 647 Citizens Utilities 6461 535 607 AboveNet Communications, Inc. 4766 525 713 Korea Telecom (KIX) 702 468 684 UUNET - Commercial IP service 2686 466 511 IBM 855 427 549 Canadian Research Network 5668 410 527 CenturyTel Internet Holdings, 15270 408 439 PaeTec.net -a division of Pae
Number of /24s announced per /8 block (Global) ----------------------------------------------
2:1 4:9 8:41 12:1630 13:1 15:16 16:3 17:3 18:4 20:41 24:774 25:1 30:2 32:246 38:233 40:54 41:2 44:3 47:6 52:4 55:1 56:3 57:46 58:193 59:253 60:166 61:872 62:1023 63:3430 64:3637 65:3612 66:3745 67:637 68:676 69:1540 70:373 71:84 72:773 74:43 75:1 80:779 81:657 82:686 83:400 84:386 85:574 86:387 87:372 88:110 89:300 121:1 122:2 123:1 124:289 125:507 128:157 129:189 130:119 131:319 132:34 133:9 134:160 135:48 136:178 137:83 138:205 139:151 140:522 141:134 142:402 143:168 144:223 145:39 146:319 147:142 148:339 149:192 150:114 151:94 152:72 153:106 154:6 155:198 156:183 157:148 158:167 159:172 160:92 161:80 162:243 163:158 164:190 165:216 166:172 167:238 168:605 169:128 170:351 171:14 183:1 190:79 192:5840 193:3376 194:2759 195:2076 196:890 198:4092 199:3290 200:4500 201:1002 202:6791 203:6989 204:4091 205:2170 206:2798 207:3558 208:2974 209:4171 210:2099 211:751 212:1409 213:1590 214:360 215:41 216:4582 217:1394 218:311 219:263 220:719 221:369 222:199
End of report
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