Orbit

Routing Table Report 04:00 +10GMT Thu 28 Apr, 2005

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

BGP routing table entries examined: 160882 Prefixes after maximum aggregation: 93517 Unique aggregates announced to Internet: 77538 Total ASes present in the Internet Routing Table: 19513 Origin-only ASes present in the Internet Routing Table: 16972 Origin ASes announcing only one prefix: 7948 Transit ASes present in the Internet Routing Table: 2541 Transit-only ASes present in the Internet Routing Table: 67 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 25 Prefixes from unregistered ASNs in the Routing Table: 12 Special use prefixes present in the Routing Table: 0 Prefixes being announced from unallocated address space: 14 Number of addresses announced to Internet: 1385620288 Equivalent to 82 /8s, 150 /16s and 227 /24s Percentage of available address space announced: 37.4 Percentage of allocated address space announced: 58.7 Percentage of available address space allocated: 63.7 Total number of prefixes smaller than registry allocations: 75240

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

Prefixes being announced by APNIC Region ASes: 32897 Total APNIC prefixes after maximum aggregation: 15481 Prefixes being announced from the APNIC address blocks: 30830 Unique aggregates announced from the APNIC address blocks: 15565 APNIC Region origin ASes present in the Internet Routing Table: 2252 APNIC Region origin ASes announcing only one prefix: 659 APNIC Region transit ASes present in the Internet Routing Table: 345 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 15 Number of APNIC addresses announced to Internet: 182071936 Equivalent to 10 /8s, 218 /16s and 50 /24s Percentage of available APNIC address space announced: 67.6

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575 APNIC Address Blocks 58/7, 60/7, 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: 87304 Total ARIN prefixes after maximum aggregation: 53180 Prefixes being announced from the ARIN address blocks: 68047 Unique aggregates announced from the ARIN address blocks: 25013 ARIN Region origin ASes present in the Internet Routing Table: 9894 ARIN Region origin ASes announcing only one prefix: 3592 ARIN Region transit ASes present in the Internet Routing Table: 936 Average ARIN Region AS path length visible: 4.3 Max ARIN Region AS path length visible: 21 Number of ARIN addresses announced to Internet: 247206912 Equivalent to 14 /8s, 188 /16s and 20 /24s Percentage of available ARIN address space announced: 70.2

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, 198/7, 204/6, 208/7 and 216/8

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

Prefixes being announced by RIPE Region ASes: 30573 Total RIPE prefixes after maximum aggregation: 21134 Prefixes being announced from the RIPE address blocks: 27604 Unique aggregates announced from the RIPE address blocks: 18395 RIPE Region origin ASes present in the Internet Routing Table: 6592 RIPE Region origin ASes announcing only one prefix: 3477 RIPE Region transit ASes present in the Internet Routing Table: 1106 Average RIPE Region AS path length visible: 5.1 Max RIPE Region AS path length visible: 25 Number of RIPE addresses announced to Internet: 202115008 Equivalent to 12 /8s, 12 /16s and 7 /24s Percentage of available RIPE address space announced: 70.9

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

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

Prefixes being announced by LACNIC Region ASes: 8643 Total LACNIC prefixes after maximum aggregation: 3012 Prefixes being announced from the LACNIC address blocks: 7075 Unique aggregates announced from the LACNIC address blocks: 4185 LACNIC Region origin ASes present in the Internet Routing Table: 609 LACNIC Region origin ASes announcing only one prefix: 193 LACNIC Region transit ASes present in the Internet Routing Table: 109 Average LACNIC Region AS path length visible: 5.2 Max LACNIC Region AS path length visible: 21 Number of LACNIC addresses announced to Internet: 18460672 Equivalent to 1 /8s, 25 /16s and 176 /24s Percentage of available LACNIC address space announced: 55.0

LACNIC AS Blocks 26592-26623, 27648-28671, plus ERX transfers LACNIC Address Blocks 200/7

AfriNIC Region Analysis Summary -------------------------------

Prefixes being announced by AfriNIC Region ASes: 1449 Total AfriNIC prefixes after maximum aggregation: 710 Prefixes being announced from the AfriNIC address blocks: 940 Unique aggregates announced from the AfriNIC address blocks: 745 AfriNIC Region origin ASes present in the Internet Routing Table: 101 AfriNIC Region origin ASes announcing only one prefix: 27 AfriNIC Region transit ASes present in the Internet Routing Table: 13 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 13 Number of AfriNIC addresses announced to Internet: 2211840 Equivalent to 0 /8s, 33 /16s and 192 /24s Percentage of available AfriNIC address space announced: 6.6

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 897 5027 183 CHINANET-BACKBONE 1221 772 1192 549 Telstra Pty Ltd 9583 726 53 71 Sify Limited 4766 584 3413 275 Korea Telecom (KIX) 4755 537 243 109 Videsh Sanchar Nigam Ltd. Aut 7545 487 86 70 TPG Internet Pty Ltd 17676 431 6509 73 Softbank BB Corp. 9443 369 77 75 Primus Telecommunications 9929 358 189 45 China Netcom Corp. 2907 345 1838 319 SINET Japan 17557 319 23 153 Pakistan Telecom 10036 313 28 284 C&M Communication Co. Ltd. 4808 309 251 169 CNCGROUP IP network: China169 7474 299 268 209 SingTel Optus Pty Ltd 9498 285 82 53 BHARTI BT INTERNET LTD. 4802 279 47 164 Wantree Development 2764 259 238 197 AAPT Limited 703 257 279 211 UUNET - Commercial IP service 17974 245 65 14 PT TELEKOMUNIKASI INDONESIA 9800 242 386 69 CHINA UNICOM

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

ASN No of nets /20 equiv MaxAgg Description 7018 1486 6515 960 AT&T WorldNet Services 174 1136 5603 968 Cogent Communications 721 1116 21731 313 DLA Systems Automation Center 4323 1107 665 225 Time Warner Telecom 701 1000 8282 853 UUNET Technologies, Inc. 1239 908 2842 657 Sprint 6197 895 381 415 BellSouth Network Solutions, 2386 843 532 624 AT&T Data Communications Serv 18566 793 224 7 Covad Communications 209 654 3460 495 Qwest 20115 610 505 308 Charter Communications 3356 583 10836 437 Level 3 Communications, LLC 3561 542 2361 415 Savvis 27364 539 43 18 Armstrong Cable Services 852 530 1095 393 Telus Advanced Communications 3602 506 122 94 Sprint Canada, Inc. 5668 486 115 25 CenturyTel Internet Holdings, 22773 480 1188 21 Cox Communications, Inc. 6198 467 541 200 BellSouth Network Solutions, 7132 443 8782 380 SBC Internet Services

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

ASN No of nets /20 equiv MaxAgg Description 702 593 2002 485 UUNET - Commercial IP service 3320 303 2993 237 Deutsche Telekom AG 3301 296 1116 286 TeliaNet Sweden 8220 272 469 266 COLT Telecommunications 680 253 2041 238 DFN-IP service G-WiN 3246 233 491 228 Song Networks 8708 226 251 208 Romania Data Systems S.A. 1257 199 727 175 SWIPnet Swedish IP Network 5515 178 778 128 Sonera Solution Autonomous Sy 786 176 1794 176 The JANET IP Service 3269 168 1472 73 TELECOM ITALIA 6746 164 47 143 Dynamic Network Technologies, 8866 162 21 12 Bulgarian Telecommunication C 719 159 340 101 LANLINK autonomous system 3300 152 184 85 AUCS Communications Services 5400 144 284 128 BT Ignite European Backbone 25186 139 137 97 France Telecom Transpac's Tra 6830 137 513 27 UPC Distribution Services 2856 128 2305 115 BTnet UK Regional network 9051 128 8 34 INCONET Autonomous System

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

ASN No of nets /20 equiv MaxAgg Description 8151 372 598 146 UniNet S.A. de C.V. 16814 266 16 7 NSS, S.A. 11172 223 99 54 Servicios Alestra S.A de C.V 6147 197 102 20 Telefonica Del Peru 19632 190 14 7 Metropolis Intercom S.A. 11664 155 19 22 Keytech SA 7303 144 68 19 Telecom Argentina Stet-France 14117 135 8 4 Telefonica del Sur S.A. 6505 130 90 87 Global One Communicaoes Ltda 22047 123 96 6 VTR PUNTO NET S.A. 11556 110 55 6 Cable-Wireless Panama 13999 109 52 9 Mega Cable S.A. de C.V. 18822 105 7 15 TELEFONICA MANQUEHUE 6503 104 146 74 AVANTEL, S.A. 10481 101 40 7 Prima S.A. 19169 97 6 15 Telconet 23216 89 24 22 RAMtelecom Telecomunicaciones 21826 88 12 21 INTERCABLE 11311 85 8 21 Sinectis S.A. 5639 84 12 9 Telecommunications Services o

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

ASN No of nets /20 equiv MaxAgg Description 3741 269 635 225 The Internet Solution 5536 119 15 17 Internet Egypt Network 2018 90 295 87 Tertiary Education Network 20928 90 16 2 Noor Advanced Technologies AS 2905 75 267 69 The Internetworking Company o 8452 64 20 5 TEDATA 24835 61 34 6 RAYA Telecom - Egypt 9129 44 3 3 UUNET Kenya 12455 43 7 5 Jambonet Autonomous system 5713 35 141 28 Telkom SA Ltd 6713 35 54 9 Itissalat Al-MAGHRIB 8524 25 1 4 AUCEGYPT Autonomous System 15475 25 84 4 Nile Online 16637 22 10 19 Johnnic e-Ventures 10798 19 1 11 Standard Bank of South Africa 7460 18 3 5 LIA Internet Access 2609 17 26 3 Tunisia BackBone AS 12258 17 3 11 Vodacom Internet Company 21280 17 2 3 Swift Global Kenya Ltd.Is an 15808 16 1 1 Communication Solutions Ltd i

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

ASN No of nets Net Savings Description 0 0 65531 * 4323 1107 882 Time Warner Telecom 721 1116 803 DLA Systems Automation Center 18566 793 786 Covad Communications 4134 897 714 CHINANET-BACKBONE 9583 726 655 Sify Limited 27364 539 521 Armstrong Cable Services 6197 895 480 BellSouth Network Solutions, 5668 486 461 CenturyTel Internet Holdings, 22773 480 459 Cox Communications, Inc. 4755 537 428 Videsh Sanchar Nigam Ltd. Aut 7545 487 417 TPG Internet Pty Ltd 3602 506 412 Sprint Canada, Inc. 6467 433 398 E.Spire Communications, Inc. 17676 431 358 Softbank BB Corp. 6140 400 328 ImpSat 9929 358 313 China Netcom Corp. 4766 584 309 Korea Telecom (KIX) 20115 610 302 Charter Communications 9443 369 294 Primus Telecommunications

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

Bad AS Designation Network Transit AS Description 30999 UNALLOCATED 196.192.80.0/24 6774 BELGACOM 65004 PRIVATE 200.0.113.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.0.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.1.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.2.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.3.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.4.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.5.0/24 28477 Universidad Autonoma 65004 PRIVATE 200.4.6.0/24 28477 Universidad Autonoma 65444 PRIVATE 212.25.125.0/24 8551 Bezeq International 65529 PRIVATE 216.21.199.0/24 14697 VDot.Net 65529 PRIVATE 216.152.237.0/24 14697 VDot.Net

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 172.32.0.0/24 7011 Citizens Utilities 172.122.28.0/24 210 Utah Education Network 192.43.230.0/24 7575 Australian Academic and Rease 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 192.135.50.0/24 7018 AT&T WorldNet Services 192.172.0.0/19 721 DLA Systems Automation Center 192.200.100.0/24 7018 AT&T WorldNet Services

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

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:18 /9:3 /10:8 /11:15 /12:68 /13:153 /14:308 /15:583 /16:8383 /17:2528 /18:4353 /19:10241 /20:11042 /21:8915 /22:12252 /23:13276 /24:87830 /25:289 /26:264 /27:141 /28:77 /29:38 /30:68 /31:0 /32:29

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

ASN No of nets Total ann. Description 18566 777 793 Covad Communications 6197 734 895 BellSouth Network Solutions, 7018 669 1486 AT&T WorldNet Services 2386 597 843 AT&T Data Communications Serv 9583 542 726 Sify Limited 27364 528 539 Armstrong Cable Services 4323 517 1107 Time Warner Telecom 5668 404 486 CenturyTel Internet Holdings, 4766 401 584 Korea Telecom (KIX) 1239 383 908 Sprint 702 365 593 UUNET - Commercial IP service 6198 337 467 BellSouth Network Solutions, 6467 314 433 E.Spire Communications, Inc. 10036 313 313 C&M Communication Co. Ltd. 6517 295 318 Yipes Communications, Inc. 7011 295 345 Citizens Utilities 9929 282 358 China Netcom Corp. 11456 275 316 Carolina Online, Inc. 15270 258 278 PaeTec.net -a division of Pae 3320 248 303 Deutsche Telekom AG

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

4:4 8:12 12:1523 13:1 15:9 16:2 17:3 18:4 20:4 24:940 30:2 32:69 33:4 38:109 40:53 44:3 47:2 52:4 55:2 56:3 57:24 58:42 59:23 60:21 61:755 62:589 63:1857 64:2681 65:2078 66:2784 67:558 68:518 69:992 70:93 71:5 72:149 80:552 81:538 82:396 83:242 84:163 85:175 86:2 128:148 129:158 130:89 131:281 132:36 133:1 134:145 135:40 136:187 137:65 138:171 139:55 140:191 141:106 142:139 143:133 144:167 145:32 146:280 147:104 148:296 149:169 150:97 151:65 152:107 153:87 154:5 155:143 156:77 157:92 158:167 159:174 160:75 161:60 162:202 163:84 164:207 165:177 166:154 167:231 168:418 169:139 170:315 171:8 172:2 192:5703 193:3177 194:2337 195:1556 196:651 198:3932 199:3277 200:4027 201:116 202:5518 203:6150 204:3798 205:2022 206:2455 207:2748 208:2064 209:3277 210:1708 211:838 212:1189 213:1281 214:276 215:32 216:3544 217:1133 218:192 219:105 220:365 221:198 222:92

End of report