Orbit

Routing Table Report 00:00 GMT Mon 14 Aug, 2006

Analysis Summary ----------------

BGP routing table entries examined: 208718 Prefixes after maximum aggregation: 108716 Unique aggregates announced to Internet: 95208 Total ASes present in the Internet Routing Table: 22931 Origin-only ASes present in the Internet Routing Table: 19882 Origin ASes announcing only one prefix: 9511 Transit ASes present in the Internet Routing Table: 3049 Transit-only ASes present in the Internet Routing Table: 78 Average AS path length visible in the Internet Routing Table: 3.8 Max AS path length visible: 24 Max AS path prepend of ASN (24076) 20 Prefixes from unregistered ASNs in the Routing Table: 42 Unregistered ASNs in the Routing Table: 16 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1580218109 Equivalent to 94 /8s, 48 /16s and 54 /24s Percentage of available address space announced: 42.6 Percentage of allocated address space announced: 61.7 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 107536

APNIC Region Analysis Summary -----------------------------

Prefixes being announced by APNIC Region ASes: 44057 Total APNIC prefixes after maximum aggregation: 17550 Prefixes being announced from the APNIC address blocks: 41638 Unique aggregates announced from the APNIC address blocks: 18648 APNIC Region origin ASes present in the Internet Routing Table: 2676 APNIC Region origin ASes announcing only one prefix: 746 APNIC Region transit ASes present in the Internet Routing Table: 413 Average APNIC Region AS path length visible: 4.0 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 244922244 Equivalent to 14 /8s, 153 /16s and 55 /24s Percentage of available APNIC address space announced: 76.6

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: 109785 Total ARIN prefixes after maximum aggregation: 60176 Prefixes being announced from the ARIN address blocks: 81759 Unique aggregates announced from the ARIN address blocks: 27309 ARIN Region origin ASes present in the Internet Routing Table: 10908 ARIN Region origin ASes announcing only one prefix: 4097 ARIN Region transit ASes present in the Internet Routing Table: 1030 Average ARIN Region AS path length visible: 3.4 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 299240737 Equivalent to 17 /8s, 214 /16s and 13 /24s Percentage of available ARIN address space announced: 77.5

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: 40340 Total RIPE prefixes after maximum aggregation: 26323 Prefixes being announced from the RIPE address blocks: 37667 Unique aggregates announced from the RIPE address blocks: 24292 RIPE Region origin ASes present in the Internet Routing Table: 8395 RIPE Region origin ASes announcing only one prefix: 4384 RIPE Region transit ASes present in the Internet Routing Table: 1409 Average RIPE Region AS path length visible: 4.4 Max RIPE Region AS path length visible: 19 Number of RIPE addresses announced to Internet: 261518048 Equivalent to 15 /8s, 150 /16s and 114 /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: 12160 Total LACNIC prefixes after maximum aggregation: 3734 Prefixes being announced from the LACNIC address blocks: 10264 Unique aggregates announced from the LACNIC address blocks: 5883 LACNIC Region origin ASes present in the Internet Routing Table: 711 LACNIC Region origin ASes announcing only one prefix: 237 LACNIC Region transit ASes present in the Internet Routing Table: 131 Average LACNIC Region AS path length visible: 4.4 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 31921664 Equivalent to 1 /8s, 231 /16s and 22 /24s Percentage of available LACNIC address space announced: 47.6

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: 2335 Total AfriNIC prefixes after maximum aggregation: 933 Prefixes being announced from the AfriNIC address blocks: 1605 Unique aggregates announced from the AfriNIC address blocks: 979 AfriNIC Region origin ASes present in the Internet Routing Table: 163 AfriNIC Region origin ASes announcing only one prefix: 47 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 3.8 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 4205568 Equivalent to 0 /8s, 64 /16s and 44 /24s Percentage of available AfriNIC address space announced: 12.5

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 1294 7930 240 CHINANET-BACKBONE 4755 960 255 62 Videsh Sanchar Nigam Ltd. Aut 9583 947 109 15 Sify Limited 9498 786 211 70 BHARTI BT INTERNET LTD. 4766 726 4435 306 Korea Telecom (KIX) 1221 648 1779 478 Telstra Pty Ltd 4538 604 2717 31 China Education and Research 7545 549 124 71 TPG Internet Pty Ltd 17488 522 32 18 Hathway IP Over Cable Interne 17676 491 7109 111 Softbank BB Corp. 9443 450 111 83 Primus Telecommunications 18101 436 85 22 Reliance Infocom Ltd Internet 4812 412 739 59 China Telecom (Shanghai) 17849 412 30 123 Telecommunications Technology 17974 379 129 12 PT TELEKOMUNIKASI INDONESIA 17557 359 29 167 Pakistan Telecom 4802 358 84 146 Wantree Development 7474 358 211 230 SingTel Optus Pty Ltd 2907 339 1733 312 SINET Japan 9929 313 198 38 China Netcom Corp.

RIPE Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 702 613 1947 440 UUNET - Commercial IP service 3215 401 1760 97 France Telecom Transpac 3301 315 1186 300 TeliaNet Sweden 3320 294 5013 238 Deutsche Telekom AG 8220 284 471 267 COLT Telecommunications 24863 251 42 10 LINKdotNET AS number 680 247 2041 244 DFN-IP service G-WiN 3246 233 462 223 Song Networks 5089 230 1657 45 NTL Group Limited 1257 224 742 168 SWIPnet Swedish IP Network 8708 215 278 203 Romania Data Systems S.A. 8551 202 182 27 Bezeq International 3269 201 2246 72 TELECOM ITALIA 30890 200 18 83 SC Kappa Invexim SRL 6830 195 879 43 UPC Distribution Services 6746 188 86 177 Dynamic Network Technologies, 8866 182 37 15 Bulgarian Telecommunication C 5416 181 12 7 BATELCO-BH 3300 173 171 96 AUCS Communications Services 786 172 1779 172 The JANET IP Service

ARIN Region per AS prefix count summary ---------------------------------------

ASN No of nets /20 equiv MaxAgg Description 701 5009 6798 791 UUNET Technologies, Inc. 4323 3203 747 281 Time Warner Telecom 705 1498 558 656 UUNET Technologies, Inc. 7018 1476 6234 951 AT&T WorldNet Services 174 1130 5770 889 Cogent Communications 6197 1017 636 478 BellSouth Network Solutions, 721 993 21942 311 DLA Systems Automation Center 18566 954 272 8 Covad Communications 2386 934 559 710 AT&T Data Communications Serv 1239 842 2797 597 Sprint 7046 822 250 680 UUNET Technologies, Inc. 19262 728 2232 186 Verizon Global Networks 20115 727 651 383 Charter Communications 11492 723 90 16 Cable One 22773 688 1744 44 Cox Communications, Inc. 209 683 3660 537 Qwest 7011 676 221 431 Citizens Utilities 6461 603 228 82 AboveNet Communications, Inc. 852 597 1068 383 Telus Advanced Communications 6198 595 554 237 BellSouth Network Solutions,

Global Per AS Maximum Aggr summary ----------------------------------

ASN No of nets Net Savings Description 4323 3203 2922 Time Warner Telecom 4134 1294 1054 CHINANET-BACKBONE 18566 954 946 Covad Communications 9583 947 932 Sify Limited 4755 960 898 Videsh Sanchar Nigam Ltd. Aut 705 1498 842 UUNET Technologies, Inc. 9498 786 716 BHARTI BT INTERNET LTD. 11492 723 707 Cable One 721 993 682 DLA Systems Automation Center 22773 688 644 Cox Communications, Inc. 8151 801 577 UniNet S.A. de C.V. 4538 604 573 China Education and Research 19262 728 542 Verizon Global Networks 6197 1017 539 BellSouth Network Solutions, 7018 1476 525 AT&T WorldNet Services 6461 603 521 AboveNet Communications, Inc. 5668 540 521 CenturyTel Internet Holdings, 19916 563 509 OLM LLC 17488 522 504 Hathway IP Over Cable Interne 855 568 494 Canadian Research Network

List of Unregistered Origin ASNs (Global) -----------------------------------------

Bad AS Designation Network Transit AS Description 65333 PRIVATE 1.0.0.0/8 23342 UnitedLayer, Inc. 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 64500 RESERVED 81.17.39.128/27 24587 AS for Internet Onli 65515 PRIVATE 87.251.34.0/24 12859 Business Internet Tr 65515 PRIVATE 87.251.36.0/24 12859 Business Internet Tr 65350 PRIVATE 124.236.0.0/19 17672 asn for Hebei Provin 65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin 65014 PRIVATE 135.196.176.96/27 8190 VIATEL 65000 PRIVATE 193.109.15.0/24 12690 MKS Autonomous Syste 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, 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 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 65350 PRIVATE 219.148.0.0/22 17672 asn for Hebei Provin 65350 PRIVATE 219.148.4.0/23 17672 asn for Hebei Provin 65350 PRIVATE 219.148.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.24.0/21 17672 asn for Hebei Provin 65350 PRIVATE 219.148.32.0/19 17672 asn for Hebei Provin 65350 PRIVATE 222.222.0.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.8.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.16.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.32.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.48.0/20 17672 asn for Hebei Provin 65350 PRIVATE 222.222.208.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.222.216.0/21 17672 asn for Hebei Provin 65350 PRIVATE 222.223.187.0/24 17672 asn for Hebei Provin 65350 PRIVATE 222.223.188.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.192.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.196.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.200.0/22 17672 asn for Hebei Provin 65350 PRIVATE 222.223.206.0/23 17672 asn for Hebei Provin 65350 PRIVATE 222.223.224.0/19 17672 asn for Hebei Provin

Prefixes from private and non-routed address space (Global) -----------------------------------------------------------

Prefix Origin AS Description 0.0.0.0/8 3303 Swisscom Ltd 0.0.0.0/0 702 UUNET - Commercial IP service 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 192.0.2.0/24 812 Rogers WAVE 192.168.83.0/24 292 Energy Sciences Network 192.168.192.0/24 16062 Talks Ltd.

Advertised Unallocated Addresses --------------------------------

Network Origin AS Description 1.0.0.0/8 65333 PRIVATE ASN 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 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 192.249.0.0/20 3450 University of Tennessee, Knox

Number of prefixes announced per prefix length (Global) -------------------------------------------------------

!!Default route being announced!!

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:9 /10:11 /11:28 /12:97 /13:213 /14:377 /15:738 /16:8983 /17:3482 /18:5696 /19:12352 /20:14048 /21:12473 /22:15939 /23:17287 /24:114673 /25:470 /26:452 /27:302 /28:226 /29:198 /30:540 /31:0 /32:104

Advertised prefixes smaller than registry allocations -----------------------------------------------------

ASN No of nets Total ann. Description 701 3741 5009 UUNET Technologies, Inc. 4323 1900 3203 Time Warner Telecom 705 946 1498 UUNET Technologies, Inc. 18566 937 954 Covad Communications 6197 798 1017 BellSouth Network Solutions, 9583 778 947 Sify Limited 7018 777 1476 AT&T WorldNet Services 11492 711 723 Cable One 2386 654 934 AT&T Data Communications Serv 7046 584 822 UUNET Technologies, Inc. 7011 582 676 Citizens Utilities 19916 557 563 OLM LLC 4766 537 726 Korea Telecom (KIX) 6461 531 603 AboveNet Communications, Inc. 2686 516 560 IBM 9498 466 786 BHARTI BT INTERNET LTD. 855 442 568 Canadian Research Network 6198 441 595 BellSouth Network Solutions, 15270 424 455 PaeTec.net -a division of Pae 5668 421 540 CenturyTel Internet Holdings,

Number of /24s announced per /8 block (Global) ----------------------------------------------

2:1 4:9 8:50 9:1 12:1631 13:1 15:15 16:3 17:3 18:4 20:41 24:815 25:1 30:2 32:268 38:264 40:52 41:11 44:3 45:12 47:6 52:4 55:1 56:3 57:53 58:213 59:279 60:187 61:946 62:961 63:3392 64:3558 65:3658 66:3816 67:660 68:678 69:1583 70:393 71:87 72:872 74:72 75:5 80:769 81:714 82:711 83:404 84:410 85:593 86:389 87:459 88:154 89:386 91:1 121:13 122:3 123:1 124:341 125:598 128:161 129:199 130:122 131:313 132:35 133:8 134:164 135:48 136:178 137:86 138:214 139:136 140:491 141:135 142:396 143:189 144:240 145:40 146:317 147:145 148:351 149:190 150:114 151:97 152:74 153:117 154:6 155:214 156:180 157:172 158:167 159:173 160:94 161:86 162:218 163:164 164:281 165:227 166:182 167:242 168:603 169:125 170:351 171:14 190:127 192:5841 193:3414 194:2810 195:2172 196:893 198:4032 199:3367 200:4639 201:1054 202:6950 203:7128 204:4078 205:2143 206:2818 207:3580 208:3032 209:3865 210:2260 211:886 212:1335 213:1518 214:368 215:41 216:4371 217:1354 218:347 219:289 220:719 221:381 222:242

End of report