Orbit

Routing Table Report 04:00 +10GMT Thu 27 Apr, 2006

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

BGP routing table entries examined: 187538 Prefixes after maximum aggregation: 103448 Unique aggregates announced to Internet: 91637 Total ASes present in the Internet Routing Table: 22003 Origin-only ASes present in the Internet Routing Table: 19146 Origin ASes announcing only one prefix: 9097 Transit ASes present in the Internet Routing Table: 2857 Transit-only ASes present in the Internet Routing Table: 61 Average AS path length visible in the Internet Routing Table: 3.5 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 3 Unregistered ASNs in the Routing Table: 4 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1511403424 Equivalent to 90 /8s, 22 /16s and 47 /24s Percentage of available address space announced: 40.8 Percentage of allocated address space announced: 60.2 Percentage of available address space allocated: 67.8 Total number of prefixes smaller than registry allocations: 92499

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

Prefixes being announced by APNIC Region ASes: 39376 Total APNIC prefixes after maximum aggregation: 16476 Prefixes being announced from the APNIC address blocks: 37081 Unique aggregates announced from the APNIC address blocks: 18224 APNIC Region origin ASes present in the Internet Routing Table: 2543 APNIC Region origin ASes announcing only one prefix: 714 APNIC Region transit ASes present in the Internet Routing Table: 390 Average APNIC Region AS path length visible: 3.5 Max APNIC Region AS path length visible: 16 Number of APNIC addresses announced to Internet: 222658784 Equivalent to 13 /8s, 69 /16s and 128 /24s Percentage of available APNIC address space announced: 69.6

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: 97401 Total ARIN prefixes after maximum aggregation: 57566 Prefixes being announced from the ARIN address blocks: 76458 Unique aggregates announced from the ARIN address blocks: 29457 ARIN Region origin ASes present in the Internet Routing Table: 10651 ARIN Region origin ASes announcing only one prefix: 3986 ARIN Region transit ASes present in the Internet Routing Table: 981 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 18 Number of ARIN addresses announced to Internet: 296259072 Equivalent to 17 /8s, 168 /16s and 142 /24s Percentage of available ARIN address space announced: 73.6

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 ARIN Address Blocks 24/8, 63/8, 64/6, 68/7, 70/6, 74/7, 76/8, 198/7, 204/6, 208/7 and 216/8

RIPE Region Analysis Summary ----------------------------

Prefixes being announced by RIPE Region ASes: 37432 Total RIPE prefixes after maximum aggregation: 24898 Prefixes being announced from the RIPE address blocks: 34470 Unique aggregates announced from the RIPE address blocks: 23128 RIPE Region origin ASes present in the Internet Routing Table: 7915 RIPE Region origin ASes announcing only one prefix: 4130 RIPE Region transit ASes present in the Internet Routing Table: 1301 Average RIPE Region AS path length visible: 4.0 Max RIPE Region AS path length visible: 21 Number of RIPE addresses announced to Internet: 246628288 Equivalent to 14 /8s, 179 /16s and 63 /24s Percentage of available RIPE address space announced: 73.5

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 RIPE Address Blocks 62/8, 80/5, 88/6, 188/8, 193/8, 194/7, 212/7 and 217/8

LACNIC Region Analysis Summary ------------------------------

Prefixes being announced by LACNIC Region ASes: 11202 Total LACNIC prefixes after maximum aggregation: 3619 Prefixes being announced from the LACNIC address blocks: 9312 Unique aggregates announced from the LACNIC address blocks: 5414 LACNIC Region origin ASes present in the Internet Routing Table: 681 LACNIC Region origin ASes announcing only one prefix: 221 LACNIC Region transit ASes present in the Internet Routing Table: 127 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 25 Number of LACNIC addresses announced to Internet: 26554624 Equivalent to 1 /8s, 149 /16s and 49 /24s Percentage of available LACNIC address space announced: 39.6

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: 2124 Total AfriNIC prefixes after maximum aggregation: 889 Prefixes being announced from the AfriNIC address blocks: 1453 Unique aggregates announced from the AfriNIC address blocks: 946 AfriNIC Region origin ASes present in the Internet Routing Table: 153 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: 3.4 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 4045312 Equivalent to 0 /8s, 61 /16s and 186 /24s Percentage of available AfriNIC address space announced: 12.1

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 1094 7073 221 CHINANET-BACKBONE 9583 893 109 16 Sify Limited 4755 767 257 66 Videsh Sanchar Nigam Ltd. Aut 4766 678 4435 305 Korea Telecom (KIX) 1221 617 1556 472 Telstra Pty Ltd 9498 571 212 72 BHARTI BT INTERNET LTD. 7545 526 108 69 TPG Internet Pty Ltd 17488 501 31 7 Hathway IP Over Cable Interne 17676 486 7029 108 Softbank BB Corp. 9443 450 110 81 Primus Telecommunications 4802 381 81 175 Wantree Development 17849 345 22 113 Telecommunications Technology 18101 340 69 18 Reliance Infocom Ltd Internet 2907 336 1749 312 SINET Japan 17557 326 27 158 Pakistan Telecom 9929 322 221 57 China Netcom Corp. 17974 307 120 26 PT TELEKOMUNIKASI INDONESIA 7474 300 211 230 SingTel Optus Pty Ltd 9800 272 410 67 CHINA UNICOM 9837 263 77 161 Powertel Ltd

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

ASN No of nets /20 equiv MaxAgg Description 7018 1503 6252 978 AT&T WorldNet Services 4323 1290 732 252 Time Warner Telecom 6197 1007 618 471 BellSouth Network Solutions, 721 1006 21945 304 DLA Systems Automation Center 174 960 5787 908 Cogent Communications 19029 953 151 111 New Edge Networks 701 937 8031 778 UUNET Technologies, Inc. 18566 935 272 8 Covad Communications 2386 881 537 673 AT&T Data Communications Serv 1239 849 2804 601 Sprint 209 717 3616 559 Qwest 19262 690 2017 161 Verizon Global Networks 20115 679 595 361 Charter Communications 22773 654 1737 44 Cox Communications, Inc. 7011 631 217 412 Citizens Utilities 11492 628 86 20 Cable One 852 581 1085 385 Telus Advanced Communications 19916 563 49 54 OLM LLC 855 550 244 63 Canadian Research Network 3602 537 127 109 Sprint Canada, Inc.

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

ASN No of nets /20 equiv MaxAgg Description 702 582 1951 458 UUNET - Commercial IP service 3352 310 1612 29 Ibernet, Internet Access Netw 3301 307 1071 292 TeliaNet Sweden 3215 304 1662 93 France Telecom Transpac 8220 290 474 268 COLT Telecommunications 3320 289 3989 239 Deutsche Telekom AG 680 245 2025 242 DFN-IP service G-WiN 3246 232 504 222 Song Networks 6746 228 89 202 Dynamic Network Technologies, 8708 218 276 201 Romania Data Systems S.A. 24863 207 40 9 LINKdotNET AS number 8551 202 198 24 Bezeq International 1257 196 742 170 SWIPnet Swedish IP Network 3269 195 2070 74 TELECOM ITALIA 8866 177 37 15 Bulgarian Telecommunication C 786 171 1778 171 The JANET IP Service 5400 171 363 140 BT Ignite European Backbone 9121 168 931 27 TTnet Autonomous System 6830 167 765 35 UPC Distribution Services 30890 163 15 61 SC Kappa Invexim SRL

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

ASN No of nets /20 equiv MaxAgg Description 8151 699 1066 226 UniNet S.A. de C.V. 22047 408 158 11 VTR PUNTO NET S.A. 11172 323 110 84 Servicios Alestra S.A de C.V 16814 315 20 8 NSS, S.A. 6147 261 124 23 Telefonica Del Peru 14117 205 12 6 Telefonica del Sur S.A. 10481 181 72 8 Prima S.A. 7303 159 75 17 Telecom Argentina Stet-France 5639 132 12 9 Telecommunications Services o 11556 132 80 4 Cable-Wireless Panama 21826 132 16 19 INTERCABLE 6503 126 149 79 AVANTEL, S.A. 19169 125 8 28 Telconet 14259 114 10 12 GTD Internet S.A. 23216 108 21 9 RAMtelecom Telecomunicaciones 6505 106 88 78 Global One Communicaoes Ltda 7910 105 7 10 ANDINET ON LINE 19429 102 57 43 E.T.B. 14522 99 13 7 SatNet S.A. 18822 97 6 8 TELEFONICA MANQUEHUE

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

ASN No of nets /20 equiv MaxAgg Description 3741 278 803 233 The Internet Solution 8452 170 60 7 TEDATA 6713 145 135 11 Itissalat Al-MAGHRIB 2018 123 314 104 Tertiary Education Network 5536 121 8 18 Internet Egypt Network 24835 118 50 7 RAYA Telecom - Egypt 33783 105 6 2 EEPAD TISP TELECOM & INTERNET 2905 72 155 65 The Internetworking Company o 15475 65 84 4 Nile Online 20928 57 16 2 Noor Advanced Technologies AS 5713 39 294 35 Telkom SA Ltd 15706 31 8 3 Sudatel Internet Exchange Aut 33774 30 7 20 AS Number for Telecom Algeria 23889 26 8 11 MAURITIUS TELECOM 8524 24 1 4 AUCEGYPT Autonomous System 12455 24 5 4 Jambonet Autonomous system 16637 24 14 22 Johnnic e-Ventures 10798 22 1 13 Standard Bank of South Africa 2561 19 6 2 Egyptian Universities Network 21491 19 17 2 UTL On-line is RF broadband I

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

ASN No of nets Net Savings Description 4323 1290 1038 Time Warner Telecom 18566 935 927 Covad Communications 9583 893 877 Sify Limited 4134 1094 873 CHINANET-BACKBONE 19029 953 842 New Edge Networks 721 1006 702 DLA Systems Automation Center 4755 767 701 Videsh Sanchar Nigam Ltd. Aut 22773 654 610 Cox Communications, Inc. 11492 628 608 Cable One 6197 1007 536 BellSouth Network Solutions, 19262 690 529 Verizon Global Networks 19916 563 509 OLM LLC 5668 533 503 CenturyTel Internet Holdings, 9498 571 499 BHARTI BT INTERNET LTD. 17488 501 494 Hathway IP Over Cable Interne 855 550 487 Canadian Research Network 8151 699 473 UniNet S.A. de C.V. 7757 477 458 AT&T Broadband 7545 526 457 TPG Internet Pty Ltd 3602 537 428 Sprint Canada, Inc.

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

Bad AS Designation Network Transit AS Description 65241 PRIVATE 65.90.71.0/24 10794 Bank of America 65005 PRIVATE 159.153.148.0/22 24989 IX Europe Frankfurt 24409 UNALLOCATED 203.119.29.0/24 9808 Guangdong Mobile Com

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

Network Origin AS Description 121.128.0.0/11 4766 Korea Telecom (KIX) 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 192.119.135.0/24 270 NASA 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 /8:17 /9:9 /10:9 /11:28 /12:88 /13:198 /14:360 /15:699 /16:8808 /17:3184 /18:5243 /19:11586 /20:13069 /21:11301 /22:14493 /23:15564 /24:101814 /25:381 /26:267 /27:221 /28:63 /29:70 /30:35 /31:0 /32:31

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

ASN No of nets Total ann. Description 18566 918 935 Covad Communications 19029 884 953 New Edge Networks 7018 797 1503 AT&T WorldNet Services 6197 796 1007 BellSouth Network Solutions, 9583 722 893 Sify Limited 4323 632 1290 Time Warner Telecom 11492 619 628 Cable One 2386 601 881 AT&T Data Communications Serv 19916 557 563 OLM LLC 7011 540 631 Citizens Utilities 4766 488 678 Korea Telecom (KIX) 7757 459 477 AT&T Broadband 855 425 550 Canadian Research Network 5668 414 533 CenturyTel Internet Holdings, 1239 381 849 Sprint 15270 375 406 PaeTec.net -a division of Pae 702 362 582 UUNET - Commercial IP service 6198 356 505 BellSouth Network Solutions, 6517 355 385 Yipes Communications, Inc. 17849 345 345 Telecommunications Technology

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

4:2 8:40 12:1631 13:1 15:12 16:3 17:3 18:4 20:43 24:884 25:1 30:2 32:58 38:209 40:54 41:1 44:3 47:6 52:4 55:1 56:3 57:31 58:147 59:183 60:181 61:813 62:760 63:1929 64:3156 65:2201 66:3101 67:596 68:674 69:1486 70:327 71:77 72:675 73:23 74:29 80:846 81:633 82:598 83:377 84:382 85:528 86:386 87:318 88:74 89:153 124:255 125:371 128:166 129:181 130:107 131:320 132:31 133:8 134:156 135:46 136:178 137:70 138:198 139:67 140:464 141:133 142:386 143:162 144:225 145:43 146:324 147:138 148:326 149:186 150:114 151:81 152:64 153:107 154:6 155:196 156:97 157:142 158:169 159:167 160:87 161:73 162:252 163:145 164:179 165:195 166:162 167:246 168:483 169:134 170:331 171:13 172:1 183:1 190:57 192:5764 193:3407 194:2589 195:1833 196:848 198:3907 199:3244 200:4432 201:913 202:6601 203:6823 204:3881 205:2095 206:2419 207:2938 208:2054 209:3792 210:1916 211:694 212:1248 213:1459 214:345 215:41 216:4094 217:1181 218:264 219:181 220:653 221:358 222:148

End of report