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Routing Table Report 00:00 GMT Mon 28 May, 2007
NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.
Report Website: http://thyme.apnic.net This report: http://thyme.apnic.net/oix-data/2007/05/28
Analysis Summary ----------------
BGP routing table entries examined: 231651 Prefixes after maximum aggregation: 119939 Deaggregation factor: 1.93 Unique aggregates announced to Internet: 107546 Total ASes present in the Internet Routing Table: 25375 Prefixes per ASN: 9.13 Origin-only ASes present in the Internet Routing Table: 21935 Origin ASes announcing only one prefix: 10663 Transit ASes present in the Internet Routing Table: 3440 Transit-only ASes present in the Internet Routing Table: 87 Average AS path length visible in the Internet Routing Table: 3.9 Max AS path length visible: 37 Max AS path prepend of ASN (23775) 25 Prefixes from unregistered ASNs in the Routing Table: 43 Unregistered ASNs in the Routing Table: 27 Prefixes from 32-bit ASNs in the Routing Table: 7 Special use prefixes present in the Routing Table: 2 Prefixes being announced from unallocated address space: 11 Number of addresses announced to Internet: 1707038732 Equivalent to 101 /8s, 191 /16s and 88 /24s Percentage of available address space announced: 46.1 Percentage of allocated address space announced: 61.0 Percentage of available address space allocated: 75.5 Total number of prefixes smaller than registry allocations: 124167
APNIC Region Analysis Summary -----------------------------
Prefixes being announced by APNIC Region ASes: 52338 Total APNIC prefixes after maximum aggregation: 20567 APNIC Deaggregation factor: 2.54 Prefixes being announced from the APNIC address blocks: 49180 Unique aggregates announced from the APNIC address blocks: 21310 APNIC Region origin ASes present in the Internet Routing Table: 2967 APNIC Prefixes per ASN: 16.58 APNIC Region origin ASes announcing only one prefix: 790 APNIC Region transit ASes present in the Internet Routing Table: 461 Average APNIC Region AS path length visible: 4.5 Max APNIC Region AS path length visible: 29 Number of APNIC addresses announced to Internet: 295530044 Equivalent to 17 /8s, 157 /16s and 110 /24s Percentage of available APNIC address space announced: 73.2
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, 116/6, 120/6, 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: 113787 Total ARIN prefixes after maximum aggregation: 63508 ARIN Deaggregation factor: 1.79 Prefixes being announced from the ARIN address blocks: 84868 Unique aggregates announced from the ARIN address blocks: 30813 ARIN Region origin ASes present in the Internet Routing Table: 11619 ARIN Prefixes per ASN: 7.30 ARIN Region origin ASes announcing only one prefix: 4469 ARIN Region transit ASes present in the Internet Routing Table: 1125 Average ARIN Region AS path length visible: 3.5 Max ARIN Region AS path length visible: 19 Number of ARIN addresses announced to Internet: 334343392 Equivalent to 19 /8s, 237 /16s and 172 /24s Percentage of available ARIN address space announced: 73.8
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: 47463 Total RIPE prefixes after maximum aggregation: 30639 RIPE Deaggregation factor: 1.55 Prefixes being announced from the RIPE address blocks: 44063 Unique aggregates announced from the RIPE address blocks: 28267 RIPE Region origin ASes present in the Internet Routing Table: 9711 RIPE Prefixes per ASN: 4.54 RIPE Region origin ASes announcing only one prefix: 5089 RIPE Region transit ASes present in the Internet Routing Table: 1626 Average RIPE Region AS path length visible: 4.1 Max RIPE Region AS path length visible: 37 Number of RIPE addresses announced to Internet: 307123264 Equivalent to 18 /8s, 78 /16s and 84 /24s Percentage of available RIPE address space announced: 76.3
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 40960-44031 RIPE Address Blocks 62/8, 77/8, 78/7, 80/5, 88/6, 92/7, 193/8, 194/7, 212/7 and 217/8
LACNIC Region Analysis Summary ------------------------------
Prefixes being announced by LACNIC Region ASes: 15318 Total LACNIC prefixes after maximum aggregation: 4176 LACNIC Deaggregation factor: 3.67 Prefixes being announced from the LACNIC address blocks: 13424 Unique aggregates announced from the LACNIC address blocks: 7312 LACNIC Region origin ASes present in the Internet Routing Table: 799 LACNIC Prefixes per ASN: 16.80 LACNIC Region origin ASes announcing only one prefix: 259 LACNIC Region transit ASes present in the Internet Routing Table: 144 Average LACNIC Region AS path length visible: 5.0 Max LACNIC Region AS path length visible: 18 Number of LACNIC addresses announced to Internet: 38986496 Equivalent to 2 /8s, 82 /16s and 227 /24s Percentage of available LACNIC address space announced: 58.1
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: 2697 Total AfriNIC prefixes after maximum aggregation: 1037 AfriNIC Deaggregation factor: 2.60 Prefixes being announced from the AfriNIC address blocks: 2048 Unique aggregates announced from the AfriNIC address blocks: 1177 AfriNIC Region origin ASes present in the Internet Routing Table: 191 AfriNIC Prefixes per ASN: 10.72 AfriNIC Region origin ASes announcing only one prefix: 56 AfriNIC Region transit ASes present in the Internet Routing Table: 36 Average AfriNIC Region AS path length visible: 3.9 Max AfriNIC Region AS path length visible: 16 Number of AfriNIC addresses announced to Internet: 6126592 Equivalent to 0 /8s, 93 /16s and 124 /24s Percentage of available AfriNIC address space announced: 18.3
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 1284 9950 277 CHINANET-BACKBONE 4755 1221 382 70 Videsh Sanchar Nigam Ltd. Aut 9583 1103 78 382 Sify Limited 9498 984 469 71 BHARTI BT INTERNET LTD. 23577 927 35 821 Korea Telecom (ATM-MPLS) 4766 783 4943 312 Korea Telecom (KIX) 17488 694 45 38 Hathway IP Over Cable Interne 7545 647 142 79 TPG Internet Pty Ltd 1221 596 1954 438 Telstra Pty Ltd 18101 546 116 36 Reliance Infocom Ltd Internet 4668 505 68 10 LG-EDS Systems Inc. 17676 504 10935 65 Softbank BB Corp. 7474 482 218 270 SingTel Optus Pty Ltd 4812 458 820 75 China Telecom (Shanghai) 9443 456 115 75 Primus Telecommunications 9942 441 76 114 COMindico Australia 4802 410 86 147 Wantree Development 2907 365 1732 305 SINET Japan 9829 362 258 14 BSNL National Internet Backbo 17974 353 129 12 PT TELEKOMUNIKASI INDONESIA
RIPE Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 2119 955 928 654 Telenor Internet Access 702 515 1923 408 UUNET - Commercial IP service 24863 343 47 31 LINKdotNET AS number 5089 338 1658 53 NTL Group Limited 3301 306 1455 287 TeliaNet Sweden 3320 305 4994 252 Deutsche Telekom AG 6746 280 128 255 Dynamic Network Technologies, 680 260 2044 251 DFN-IP service G-WiN 8220 253 456 243 COLT Telecommunications 3215 246 2279 94 France Telecom Transpac 1257 235 1180 168 SWIPnet Swedish IP Network 8708 235 288 229 Romania Data Systems S.A. 3269 216 2647 74 TELECOM ITALIA 8551 208 197 27 Bezeq International 3246 206 337 193 Song Networks 3352 202 1799 36 Ibernet, Internet Access Netw 9116 197 136 25 Goldenlines main autonomous s 3300 189 171 91 AUCS Communications Services 2856 187 2318 146 BTnet UK Regional network 12479 185 578 6 Uni2 Autonomous System
ARIN Region per AS prefix count summary ---------------------------------------
ASN No of nets /20 equiv MaxAgg Description 701 5013 6613 730 UUNET Technologies, Inc. 7018 1507 10216 992 AT&T WorldNet Services 4323 1265 1032 362 Time Warner Telecom 2386 1151 596 757 AT&T Data Communications Serv 6478 1100 343 121 AT&T Worldnet Services 11492 1074 104 22 Cable One 6197 1040 706 508 BellSouth Network Solutions, 18566 1010 288 9 Covad Communications 174 947 6744 856 Cogent Communications 705 839 491 375 UUNET Technologies, Inc. 1239 822 2740 581 Sprint 20115 807 724 428 Charter Communications 7011 799 227 476 Citizens Utilities 19262 773 2661 206 Verizon Global Networks 7046 761 263 636 UUNET Technologies, Inc. 209 743 3820 581 Qwest 22773 722 1892 44 Cox Communications, Inc. 577 650 793 205 Bell Advanced Communications 852 602 1074 369 Telus Advanced Communications 5668 598 160 17 CenturyTel Internet Holdings,
Global Per AS Maximum Aggr summary ----------------------------------
ASN No of nets Net Savings Description 4755 1221 1151 Videsh Sanchar Nigam Ltd. Aut 8151 1285 1087 UniNet S.A. de C.V. 11492 1074 1052 Cable One 4134 1284 1007 CHINANET-BACKBONE 18566 1010 1001 Covad Communications 6478 1100 979 AT&T Worldnet Services 9498 984 913 BHARTI BT INTERNET LTD. 4323 1265 903 Time Warner Telecom 9583 1103 721 Sify Limited 22773 722 678 Cox Communications, Inc. 17488 694 656 Hathway IP Over Cable Interne 5668 598 581 CenturyTel Internet Holdings, 7545 647 568 TPG Internet Pty Ltd 19262 773 567 Verizon Global Networks 6197 1040 532 BellSouth Network Solutions, 19916 568 517 OLM LLC 7018 1507 515 AT&T WorldNet Services 18101 546 510 Reliance Infocom Ltd Internet 7029 583 506 Alltel Information Services, 15270 541 506 PaeTec.net -a division of Pae
List of Unregistered Origin ASNs (Global) -----------------------------------------
Bad AS Designation Network Transit AS Description 65534 PRIVATE 10.11.12.0/24 10886 University of Maryla 65019 PRIVATE 63.138.117.0/24 19034 Norcom Networks Corp 65332 PRIVATE 63.166.106.192/27 1803 SPRINT 47588 UNALLOCATED 64.71.19.0/24 33544 WiLine Networks Inc. 47588 UNALLOCATED 64.71.29.0/24 33544 WiLine Networks Inc. 65242 PRIVATE 64.222.142.0/24 13674 Bell Atlantic Global 64858 PRIVATE 84.36.180.0/24 20858 EgyNet 65100 PRIVATE 129.6.112.0/24 10886 University of Maryla 64513 PRIVATE 194.149.101.192/28 6721 The Terminal Bar: In 64527 PRIVATE 194.149.115.64/28 6721 The Terminal Bar: In 64524 PRIVATE 194.149.116.64/28 6721 The Terminal Bar: In 64514 PRIVATE 194.149.116.176/28 6721 The Terminal Bar: In 64532 PRIVATE 195.22.48.64/27 6721 The Terminal Bar: In 64526 PRIVATE 195.47.13.96/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.112/28 6721 The Terminal Bar: In 64542 PRIVATE 195.47.24.128/27 6721 The Terminal Bar: In 64542 PRIVATE 195.47.25.192/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.160/27 6721 The Terminal Bar: In 64519 PRIVATE 195.47.33.192/28 6721 The Terminal Bar: In 64526 PRIVATE 195.47.39.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/26 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.128/25 6721 The Terminal Bar: In 64513 PRIVATE 195.47.40.192/26 6721 The Terminal Bar: In 64540 PRIVATE 195.47.75.48/28 6721 The Terminal Bar: In 64516 PRIVATE 195.47.88.128/25 6721 The Terminal Bar: In 64526 PRIVATE 195.47.100.0/25 6721 The Terminal Bar: In 65000 PRIVATE 195.47.102.0/25 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.0/26 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.64/27 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.96/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.112/28 6721 The Terminal Bar: In 64514 PRIVATE 195.144.99.128/25 6721 The Terminal Bar: In 65105 PRIVATE 195.219.216.0/21 6453 Teleglobe Inc. 65011 PRIVATE 203.116.243.0/24 4657 Starhub Internet, Si 24410 UNALLOCATED 203.119.28.0/24 4134 CHINANET-BACKBONE 64588 PRIVATE 207.107.179.0/24 2491 fONOROLA 65517 PRIVATE 213.154.248.0/29 12859 Business Internet Tr 65517 PRIVATE 213.154.248.8/29 12859 Business Internet Tr 22895 UNALLOCATED 216.174.38.0/24 19094 Adelphia Business So 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 10.11.12.0/24 65534 * 192.0.2.0/24 2854 RoSprint AS (Global One Russi
Advertised Unallocated Addresses --------------------------------
Network Origin AS Description 7.1.1.0/24 1239 Sprint 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 192.0.10.0/24 9498 BHARTI BT INTERNET LTD. 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 192.153.136.0/21 721 DLA Systems Automation Center 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 /8:18 /9:9 /10:14 /11:35 /12:126 /13:249 /14:454 /15:878 /16:9445 /17:3958 /18:6492 /19:13621 /20:15761 /21:14238 /22:18819 /23:20266 /24:123510 /25:1007 /26:1133 /27:565 /28:262 /29:193 /30:483 /31:0 /32:115
Advertised prefixes smaller than registry allocations -----------------------------------------------------
ASN No of nets Total ann. Description 701 3761 5013 UUNET Technologies, Inc. 6478 1091 1100 AT&T Worldnet Services 11492 1060 1074 Cable One 18566 992 1010 Covad Communications 9583 942 1103 Sify Limited 23577 913 927 Korea Telecom (ATM-MPLS) 2119 855 955 Telenor Internet Access 2386 847 1151 AT&T Data Communications Serv 7018 812 1507 AT&T WorldNet Services 6197 795 1040 BellSouth Network Solutions, 7011 700 799 Citizens Utilities 8151 685 1285 UniNet S.A. de C.V. 9498 654 984 BHARTI BT INTERNET LTD. 4755 619 1221 Videsh Sanchar Nigam Ltd. Aut 4766 590 783 Korea Telecom (KIX) 19916 563 568 OLM LLC 705 546 839 UUNET Technologies, Inc. 7046 534 761 UUNET Technologies, Inc. 4323 524 1265 Time Warner Telecom 17488 515 694 Hathway IP Over Cable Interne
Number of /24s announced per /8 block (Global) ----------------------------------------------
4:9 7:1 8:80 9:1 10:1 12:1825 15:19 16:3 17:3 18:8 20:38 24:946 25:1 32:173 33:2 38:312 40:61 41:141 43:6 44:2 47:5 52:4 55:3 56:3 57:50 58:401 59:392 60:302 61:963 62:950 63:3389 64:3245 65:3729 66:3386 67:826 68:641 69:1863 70:520 71:105 72:1318 73:1 74:484 75:263 76:62 77:202 78:2 80:828 81:812 82:688 83:417 84:416 85:812 86:343 87:465 88:274 89:871 90:7 91:320 97:6 116:84 121:193 122:532 123:107 124:822 125:935 128:281 129:224 130:129 131:366 132:52 133:9 134:189 135:38 136:186 137:85 138:140 139:122 140:482 141:171 142:392 143:234 144:294 145:43 146:322 147:121 148:395 149:147 150:114 151:159 152:94 153:124 154:5 155:254 156:152 157:187 158:158 159:156 160:106 161:94 162:235 163:185 164:460 165:406 166:240 167:283 168:502 169:120 170:402 171:16 172:1 189:530 190:628 192:5840 193:3869 194:3171 195:2297 196:993 198:3852 199:3364 200:4786 201:1035 202:7345 203:7619 204:4113 205:2181 206:2578 207:3115 208:3357 209:3710 210:2481 211:1008 212:1369 213:1515 214:411 215:40 216:4208 217:1157 218:378 219:384 220:958 221:407 222:263
End of report
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