Orbit

Routing Table Report 00:00 GMT Mon 04 Dec, 2006

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

BGP routing table entries examined: 215648 Prefixes after maximum aggregation: 112998 Unique aggregates announced to Internet: 99422 Total ASes present in the Internet Routing Table: 23884 Origin-only ASes present in the Internet Routing Table: 20780 Origin ASes announcing only one prefix: 10000 Transit ASes present in the Internet Routing Table: 3104 Transit-only ASes present in the Internet Routing Table: 72 Average AS path length visible in the Internet Routing Table: 3.7 Max AS path length visible: 30 Max AS path prepend of ASN (36728) 27 Prefixes from unregistered ASNs in the Routing Table: 22 Unregistered ASNs in the Routing Table: 14 Special use prefixes present in the Routing Table: 3 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1653555373 Equivalent to 98 /8s, 143 /16s and 64 /24s Percentage of available address space announced: 44.6 Percentage of allocated address space announced: 63.3 Percentage of available address space allocated: 70.5 Total number of prefixes smaller than registry allocations: 112236

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

Prefixes being announced by APNIC Region ASes: 47223 Total APNIC prefixes after maximum aggregation: 18631 Prefixes being announced from the APNIC address blocks: 44702 Unique aggregates announced from the APNIC address blocks: 19050 APNIC Region origin ASes present in the Internet Routing Table: 2789 APNIC Region origin ASes announcing only one prefix: 776 APNIC Region transit ASes present in the Internet Routing Table: 433 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC addresses announced to Internet: 270888704 Equivalent to 16 /8s, 37 /16s and 111 /24s Percentage of available APNIC address space announced: 84.7

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: 109118 Total ARIN prefixes after maximum aggregation: 61526 Prefixes being announced from the ARIN address blocks: 81356 Unique aggregates announced from the ARIN address blocks: 28515 ARIN Region origin ASes present in the Internet Routing Table: 11205 ARIN Region origin ASes announcing only one prefix: 4254 ARIN Region transit ASes present in the Internet Routing Table: 1034 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 29 Number of ARIN addresses announced to Internet: 311551200 Equivalent to 18 /8s, 145 /16s and 228 /24s Percentage of available ARIN address space announced: 68.8

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: 43358 Total RIPE prefixes after maximum aggregation: 27886 Prefixes being announced from the RIPE address blocks: 40364 Unique aggregates announced from the RIPE address blocks: 25987 RIPE Region origin ASes present in the Internet Routing Table: 8895 RIPE Region origin ASes announcing only one prefix: 4677 RIPE Region transit ASes present in the Internet Routing Table: 1435 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 30 Number of RIPE addresses announced to Internet: 272614977 Equivalent to 16 /8s, 63 /16s and 198 /24s Percentage of available RIPE address space announced: 73.9

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 40960-43007 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: 13360 Total LACNIC prefixes after maximum aggregation: 3981 Prefixes being announced from the LACNIC address blocks: 11338 Unique aggregates announced from the LACNIC address blocks: 6512 LACNIC Region origin ASes present in the Internet Routing Table: 749 LACNIC Region origin ASes announcing only one prefix: 242 LACNIC Region transit ASes present in the Internet Routing Table: 137 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 17 Number of LACNIC addresses announced to Internet: 35148800 Equivalent to 2 /8s, 24 /16s and 84 /24s Percentage of available LACNIC address space announced: 52.4

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: 2567 Total AfriNIC prefixes after maximum aggregation: 974 Prefixes being announced from the AfriNIC address blocks: 1803 Unique aggregates announced from the AfriNIC address blocks: 1025 AfriNIC Region origin ASes present in the Internet Routing Table: 174 AfriNIC Region origin ASes announcing only one prefix: 51 AfriNIC Region transit ASes present in the Internet Routing Table: 27 Average AfriNIC Region AS path length visible: 4.2 Max AfriNIC Region AS path length visible: 15 Number of AfriNIC addresses announced to Internet: 4515584 Equivalent to 0 /8s, 68 /16s and 231 /24s Percentage of available AfriNIC address space announced: 13.5

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 1265 8509 249 CHINANET-BACKBONE 4755 1057 384 68 Videsh Sanchar Nigam Ltd. Aut 9583 1004 108 62 Sify Limited 4538 950 2846 35 China Education and Research 9498 892 212 61 BHARTI BT INTERNET LTD. 23577 778 35 708 KRNIC 4766 744 4945 306 Korea Telecom (KIX) 1221 620 1698 457 Telstra Pty Ltd 17488 556 35 20 Hathway IP Over Cable Interne 7545 549 126 74 TPG Internet Pty Ltd 17676 501 10934 65 Softbank BB Corp. 18101 490 87 23 Reliance Infocom Ltd Internet 4812 442 753 65 China Telecom (Shanghai) 9443 442 111 74 Primus Telecommunications 9942 437 81 130 COMindico Australia 17849 423 36 126 Telecommunications Technology 4802 412 86 150 Wantree Development 7474 372 211 230 SingTel Optus Pty Ltd 17557 368 32 174 Pakistan Telecom 17974 354 129 13 PT TELEKOMUNIKASI INDONESIA

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

ASN No of nets /20 equiv MaxAgg Description 702 546 1928 425 UUNET - Commercial IP service 3215 408 2020 96 France Telecom Transpac 24863 383 45 16 LINKdotNET AS number 3301 309 1215 293 TeliaNet Sweden 3320 299 4992 246 Deutsche Telekom AG 8220 274 472 264 COLT Telecommunications 6746 260 92 237 Dynamic Network Technologies, 680 250 2041 246 DFN-IP service G-WiN 9116 233 134 23 Goldenlines main autonomous s 1257 229 1073 174 SWIPnet Swedish IP Network 8708 228 282 214 Romania Data Systems S.A. 3246 212 370 199 Song Networks 3269 208 2357 75 TELECOM ITALIA 5416 205 13 9 BATELCO-BH 30890 202 18 82 SC Kappa Invexim SRL 8551 199 197 24 Bezeq International 6830 185 823 39 UPC Distribution Services 3300 182 171 96 AUCS Communications Services 3352 172 1751 30 Ibernet, Internet Access Netw 786 171 1779 171 The JANET IP Service

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

ASN No of nets /20 equiv MaxAgg Description 701 4891 6708 777 UUNET Technologies, Inc. 7018 1561 10297 986 AT&T WorldNet Services 705 1432 556 631 UUNET Technologies, Inc. 2386 1111 586 739 AT&T Data Communications Serv 4323 1046 805 297 Time Warner Telecom 6197 1020 628 498 BellSouth Network Solutions, 18566 979 272 8 Covad Communications 174 946 6821 868 Cogent Communications 11492 839 98 14 Cable One 721 827 21905 298 DLA Systems Automation Center 1239 819 2728 570 Sprint 7046 803 251 658 UUNET Technologies, Inc. 19262 786 2452 177 Verizon Global Networks 20115 770 688 412 Charter Communications 209 710 3765 560 Qwest 22773 710 1744 41 Cox Communications, Inc. 7011 692 213 431 Citizens Utilities 852 610 1091 389 Telus Advanced Communications 19916 567 48 57 OLM LLC 6198 551 527 258 BellSouth Network Solutions,

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

ASN No of nets Net Savings Description 4134 1265 1016 CHINANET-BACKBONE 4755 1057 989 Videsh Sanchar Nigam Ltd. Aut 18566 979 971 Covad Communications 9583 1004 942 Sify Limited 4538 950 915 China Education and Research 9498 892 831 BHARTI BT INTERNET LTD. 11492 839 825 Cable One 705 1432 801 UUNET Technologies, Inc. 4323 1046 749 Time Warner Telecom 22773 710 669 Cox Communications, Inc. 19262 786 609 Verizon Global Networks 7018 1561 575 AT&T WorldNet Services 8151 758 550 UniNet S.A. de C.V. 17488 556 536 Hathway IP Over Cable Interne 5668 549 530 CenturyTel Internet Holdings, 721 827 529 DLA Systems Automation Center 6197 1020 522 BellSouth Network Solutions, 19916 567 510 OLM LLC 11830 506 497 Instituto Costarricense de El 7545 549 475 TPG Internet Pty Ltd

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

Bad AS Designation Network Transit AS Description 64599 PRIVATE 64.200.115.0/24 32083 Omnispring 65509 PRIVATE 84.221.16.0/23 3257 Tiscali Intl Network 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 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 65526 PRIVATE 213.205.19.128/28 3257 Tiscali Intl Network 65526 PRIVATE 213.205.19.144/28 3257 Tiscali Intl Network 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 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 0.0.0.0/0 286 KPNQwest Backbone AS 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 176.16.0.0/16 7908 Comsat Argentina S.A. 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 192.172.0.0/19 721 DLA Systems Automation Center

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 /8:20 /9:10 /10:13 /11:28 /12:113 /13:231 /14:396 /15:794 /16:9126 /17:3673 /18:5962 /19:12939 /20:14619 /21:13392 /22:16910 /23:18404 /24:116370 /25:734 /26:525 /27:449 /28:201 /29:153 /30:498 /31:0 /32:87

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

ASN No of nets Total ann. Description 701 3634 4891 UUNET Technologies, Inc. 18566 962 979 Covad Communications 705 895 1432 UUNET Technologies, Inc. 7018 834 1561 AT&T WorldNet Services 9583 834 1004 Sify Limited 2386 828 1111 AT&T Data Communications Serv 11492 825 839 Cable One 6197 798 1020 BellSouth Network Solutions, 23577 764 778 KRNIC 7011 597 692 Citizens Utilities 19916 562 567 OLM LLC 7046 556 803 UUNET Technologies, Inc. 4766 555 744 Korea Telecom (KIX) 9498 546 892 BHARTI BT INTERNET LTD. 4538 529 950 China Education and Research 4755 480 1057 Videsh Sanchar Nigam Ltd. Aut 15270 459 489 PaeTec.net -a division of Pae 855 436 539 Canadian Research Network 5668 423 549 CenturyTel Internet Holdings, 18101 422 490 Reliance Infocom Ltd Internet

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

4:9 8:67 9:1 12:1667 13:1 15:15 16:3 17:3 18:4 20:39 24:846 25:1 32:177 38:269 40:57 41:33 44:2 47:8 52:4 53:1 55:1 56:3 57:52 58:280 59:369 60:220 61:971 62:1192 63:3345 64:3301 65:3627 66:3202 67:693 68:657 69:1733 70:395 71:113 72:1018 74:113 75:34 76:14 80:830 81:762 82:676 83:382 84:495 85:725 86:421 87:449 88:278 89:642 90:1 91:101 97:1 121:85 122:32 123:3 124:480 125:737 128:311 129:205 130:126 131:323 132:48 133:11 134:178 135:42 136:180 137:116 138:131 139:100 140:522 141:135 142:368 143:213 144:252 145:67 146:325 147:142 148:364 149:175 150:109 151:118 152:83 153:110 154:6 155:253 156:148 157:164 158:166 159:138 160:102 161:90 162:217 163:162 164:283 165:230 166:244 167:269 168:489 169:124 170:393 171:12 172:1 189:13 190:304 192:5818 193:3616 194:2912 195:2284 196:979 198:3934 199:3370 200:4527 201:914 202:7213 203:7273 204:4091 205:2222 206:2650 207:3166 208:3049 209:3696 210:2406 211:976 212:1407 213:1517 214:382 215:39 216:4277 217:1352 218:367 219:284 220:817 221:374 222:256

End of report