Orbit

Routing Table Report 04:00 +10GMT Fri 04 Aug, 2006

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

BGP routing table entries examined: 194065 Prefixes after maximum aggregation: 106738 Unique aggregates announced to Internet: 94911 Total ASes present in the Internet Routing Table: 22797 Origin-only ASes present in the Internet Routing Table: 19838 Origin ASes announcing only one prefix: 9494 Transit ASes present in the Internet Routing Table: 2959 Transit-only ASes present in the Internet Routing Table: 68 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 24 Max AS path prepend of ASN (24076) 20 Prefixes from unregistered ASNs in the Routing Table: 22 Unregistered ASNs in the Routing Table: 3 Special use prefixes present in the Routing Table: 1 Prefixes being announced from unallocated address space: 9 Number of addresses announced to Internet: 1560935084 Equivalent to 93 /8s, 9 /16s and 250 /24s Percentage of available address space announced: 42.1 Percentage of allocated address space announced: 60.9 Percentage of available address space allocated: 69.1 Total number of prefixes smaller than registry allocations: 96288

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

Prefixes being announced by APNIC Region ASes: 42419 Total APNIC prefixes after maximum aggregation: 17492 Prefixes being announced from the APNIC address blocks: 40125 Unique aggregates announced from the APNIC address blocks: 18721 APNIC Region origin ASes present in the Internet Routing Table: 2666 APNIC Region origin ASes announcing only one prefix: 754 APNIC Region transit ASes present in the Internet Routing Table: 398 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 24 Number of APNIC addresses announced to Internet: 244107104 Equivalent to 14 /8s, 140 /16s and 199 /24s Percentage of available APNIC address space announced: 76.3

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: 98335 Total ARIN prefixes after maximum aggregation: 58499 Prefixes being announced from the ARIN address blocks: 72116 Unique aggregates announced from the ARIN address blocks: 27228 ARIN Region origin ASes present in the Internet Routing Table: 10856 ARIN Region origin ASes announcing only one prefix: 4086 ARIN Region transit ASes present in the Internet Routing Table: 1011 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 298723584 Equivalent to 17 /8s, 206 /16s and 41 /24s Percentage of available ARIN address space announced: 77.4

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: 38967 Total RIPE prefixes after maximum aggregation: 26106 Prefixes being announced from the RIPE address blocks: 35939 Unique aggregates announced from the RIPE address blocks: 24252 RIPE Region origin ASes present in the Internet Routing Table: 8334 RIPE Region origin ASes announcing only one prefix: 4373 RIPE Region transit ASes present in the Internet Routing Table: 1368 Average RIPE Region AS path length visible: 3.9 Max RIPE Region AS path length visible: 18 Number of RIPE addresses announced to Internet: 261238596 Equivalent to 15 /8s, 146 /16s and 47 /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: 12084 Total LACNIC prefixes after maximum aggregation: 3729 Prefixes being announced from the LACNIC address blocks: 10164 Unique aggregates announced from the LACNIC address blocks: 5793 LACNIC Region origin ASes present in the Internet Routing Table: 714 LACNIC Region origin ASes announcing only one prefix: 237 LACNIC Region transit ASes present in the Internet Routing Table: 130 Average LACNIC Region AS path length visible: 4.1 Max LACNIC Region AS path length visible: 24 Number of LACNIC addresses announced to Internet: 31361280 Equivalent to 1 /8s, 222 /16s and 137 /24s Percentage of available LACNIC address space announced: 46.7

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: 2238 Total AfriNIC prefixes after maximum aggregation: 912 Prefixes being announced from the AfriNIC address blocks: 1548 Unique aggregates announced from the AfriNIC address blocks: 973 AfriNIC Region origin ASes present in the Internet Routing Table: 159 AfriNIC Region origin ASes announcing only one prefix: 44 AfriNIC Region transit ASes present in the Internet Routing Table: 24 Average AfriNIC Region AS path length visible: 3.5 Max AfriNIC Region AS path length visible: 14 Number of AfriNIC addresses announced to Internet: 4200704 Equivalent to 0 /8s, 64 /16s and 25 /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 1288 7914 238 CHINANET-BACKBONE 4755 957 255 69 Videsh Sanchar Nigam Ltd. Aut 9583 942 109 15 Sify Limited 9498 762 211 70 BHARTI BT INTERNET LTD. 4766 700 4435 303 Korea Telecom (KIX) 1221 608 1779 465 Telstra Pty Ltd 7545 550 124 71 TPG Internet Pty Ltd 17488 520 32 18 Hathway IP Over Cable Interne 17676 490 7093 110 Softbank BB Corp. 9443 449 111 83 Primus Telecommunications 18101 433 85 22 Reliance Infocom Ltd Internet 4812 416 740 61 China Telecom (Shanghai) 17849 410 30 122 Telecommunications Technology 4802 378 81 167 Wantree Development 17557 378 30 177 Pakistan Telecom 17974 365 129 14 PT TELEKOMUNIKASI INDONESIA 2907 336 1733 311 SINET Japan 4837 305 3458 135 chinanet IDC center beijing n 7474 294 211 228 SingTel Optus Pty Ltd 10139 274 23 6 Meridian Telekoms

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

ASN No of nets /20 equiv MaxAgg Description 7018 1488 6256 955 AT&T WorldNet Services 6197 1018 635 477 BellSouth Network Solutions, 721 1010 21926 312 DLA Systems Automation Center 4323 965 746 274 Time Warner Telecom 701 963 6769 789 UUNET Technologies, Inc. 18566 951 272 8 Covad Communications 174 939 5769 888 Cogent Communications 2386 917 559 705 AT&T Data Communications Serv 1239 854 2783 604 Sprint 19262 728 2228 187 Verizon Global Networks 20115 724 627 378 Charter Communications 11492 721 89 15 Cable One 209 693 3660 541 Qwest 22773 682 1741 41 Cox Communications, Inc. 7011 658 219 416 Citizens Utilities 6198 599 556 237 BellSouth Network Solutions, 852 581 1068 381 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 551 247 74 Canadian Research Network 5668 540 147 23 CenturyTel Internet Holdings,

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

ASN No of nets /20 equiv MaxAgg Description 702 561 1932 441 UUNET - Commercial IP service 3301 316 1187 301 TeliaNet Sweden 3320 294 5013 238 Deutsche Telekom AG 8220 281 471 267 COLT Telecommunications 680 246 2041 243 DFN-IP service G-WiN 6746 241 90 219 Dynamic Network Technologies, 24863 239 42 11 LINKdotNET AS number 3246 230 462 220 Song Networks 8708 215 278 203 Romania Data Systems S.A. 3215 204 1760 97 France Telecom Transpac 3269 203 2246 73 TELECOM ITALIA 8551 202 182 27 Bezeq International 30890 201 19 84 SC Kappa Invexim SRL 1257 195 742 167 SWIPnet Swedish IP Network 8866 188 37 15 Bulgarian Telecommunication C 5416 179 12 11 BATELCO-BH 6830 177 813 37 UPC Distribution Services 3300 171 171 98 AUCS Communications Services 786 170 1778 170 The JANET IP Service 9121 167 931 31 TTnet Autonomous System

LACNIC Region per AS prefix count summary -----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 8151 777 1786 231 UniNet S.A. de C.V. 22047 425 206 11 VTR PUNTO NET S.A. 11172 360 113 86 Servicios Alestra S.A de C.V 16814 329 20 8 NSS, S.A. 6147 273 134 22 Telefonica Del Peru 6471 255 74 30 ENTEL CHILE S.A. 14117 217 13 7 Telefonica del Sur S.A. 6503 182 151 83 AVANTEL, S.A. 7303 181 84 29 Telecom Argentina Stet-France 10481 181 72 8 Prima S.A. 21826 133 17 22 INTERCABLE 11556 132 80 4 Cable-Wireless Panama 19429 131 84 45 E.T.B. 19169 128 8 25 Telconet 14522 123 18 9 SatNet S.A. 7910 120 8 20 ANDINET ON LINE 14259 119 10 15 GTD Internet S.A. 18822 114 7 9 TELEFONICA MANQUEHUE 23216 113 21 9 RAMtelecom Telecomunicaciones 7738 111 410 20 Telecomunicacoes da Bahia S.A

AfriNIC Region per AS prefix count summary ------------------------------------------

ASN No of nets /20 equiv MaxAgg Description 3741 284 803 231 The Internet Solution 8452 170 60 7 TEDATA 6713 144 135 11 Itissalat Al-MAGHRIB 2018 134 298 111 Tertiary Education Network 15475 133 84 4 Nile Online 5536 121 8 18 Internet Egypt Network 24835 116 48 6 RAYA Telecom - Egypt 33783 106 6 2 EEPAD TISP TELECOM & INTERNET 2905 79 159 70 The Internetworking Company o 15706 44 8 3 Sudatel Internet Exchange Aut 5713 39 294 35 Telkom SA Ltd 33774 30 7 21 AS Number for Telecom Algeria 16637 25 18 23 Johnnic e-Ventures 23889 24 8 11 MAURITIUS TELECOM 10798 23 1 14 Standard Bank of South Africa 8524 22 1 5 AUCEGYPT Autonomous System 21280 21 4 4 Swift Global Kenya Ltd.Is an 33766 21 2 1 Nyala Communications Pty Ltd 21491 20 17 2 UTL On-line is RF broadband I 2561 19 6 2 Egyptian Universities Network

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

ASN No of nets Net Savings Description 4134 1288 1050 CHINANET-BACKBONE 18566 951 943 Covad Communications 9583 942 927 Sify Limited 4755 957 888 Videsh Sanchar Nigam Ltd. Aut 11492 721 706 Cable One 721 1010 698 DLA Systems Automation Center 9498 762 692 BHARTI BT INTERNET LTD. 4323 965 691 Time Warner Telecom 22773 682 641 Cox Communications, Inc. 8151 777 546 UniNet S.A. de C.V. 6197 1018 541 BellSouth Network Solutions, 19262 728 541 Verizon Global Networks 5668 540 517 CenturyTel Internet Holdings, 19916 563 509 OLM LLC 17488 520 502 Hathway IP Over Cable Interne 7545 550 479 TPG Internet Pty Ltd 855 551 477 Canadian Research Network 15270 454 421 PaeTec.net -a division of Pae 3602 522 417 Sprint Canada, Inc. 22047 425 414 VTR PUNTO NET S.A.

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

Bad AS Designation Network Transit AS Description 65350 PRIVATE 124.236.240.0/20 17672 asn for Hebei Provin 65128 PRIVATE 193.110.50.0/24 24652 Juniper Networks, Eu 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com 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 198.18.1.0/24 3301 TeliaNet Sweden

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 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) -------------------------------------------------------

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:17 /9:9 /10:11 /11:28 /12:97 /13:205 /14:374 /15:732 /16:8943 /17:3398 /18:5531 /19:12009 /20:13586 /21:11852 /22:15034 /23:16247 /24:104889 /25:378 /26:296 /27:198 /28:66 /29:38 /30:81 /31:0 /32:46

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

ASN No of nets Total ann. Description 18566 934 951 Covad Communications 6197 798 1018 BellSouth Network Solutions, 7018 785 1488 AT&T WorldNet Services 9583 773 942 Sify Limited 11492 709 721 Cable One 2386 635 917 AT&T Data Communications Serv 7011 565 658 Citizens Utilities 19916 557 563 OLM LLC 4766 511 700 Korea Telecom (KIX) 9498 444 762 BHARTI BT INTERNET LTD. 6198 442 599 BellSouth Network Solutions, 855 425 551 Canadian Research Network 5668 423 540 CenturyTel Internet Holdings, 15270 423 454 PaeTec.net -a division of Pae 1239 402 854 Sprint 4755 399 957 Videsh Sanchar Nigam Ltd. Aut 17849 397 410 Telecommunications Technology 6517 381 414 Yipes Communications, Inc. 18101 369 433 Reliance Infocom Ltd Internet 22773 360 682 Cox Communications, Inc.

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

4:9 8:50 12:1598 13:1 15:15 16:3 17:3 18:4 20:41 24:805 25:1 32:58 38:240 40:53 41:10 44:3 45:8 47:6 52:4 55:1 56:3 57:26 58:206 59:248 60:193 61:916 62:826 63:1890 64:3090 65:2254 66:2974 67:629 68:678 69:1564 70:395 71:87 72:868 74:63 75:2 80:753 81:672 82:637 83:402 84:397 85:570 86:399 87:455 88:141 89:373 91:1 121:13 122:3 123:1 124:345 125:574 128:153 129:188 130:118 131:317 132:34 133:8 134:160 135:49 136:178 137:85 138:213 139:46 140:491 141:137 142:370 143:186 144:240 145:40 146:317 147:140 148:352 149:188 150:114 151:97 152:70 153:117 154:5 155:213 156:179 157:139 158:167 159:172 160:93 161:77 162:246 163:164 164:236 165:222 166:182 167:244 168:483 169:125 170:354 171:14 190:98 192:5736 193:3404 194:2690 195:2012 196:862 198:3905 199:3295 200:4640 201:1044 202:6769 203:7053 204:3905 205:2030 206:2427 207:2929 208:2215 209:3436 210:2160 211:830 212:1247 213:1426 214:361 215:41 216:4032 217:1151 218:319 219:250 220:743 221:377 222:218

End of report