Orbit

Routing Table Report 04:00 +10GMT Thu 13 Oct, 2011

Report Website: http://thyme.rand.apnic.net Detailed Analysis: http://thyme.rand.apnic.net/current/

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

BGP routing table entries examined: 377227 Prefixes after maximum aggregation: 169339 Deaggregation factor: 2.23 Unique aggregates announced to Internet: 185426 Total ASes present in the Internet Routing Table: 39031 Prefixes per ASN: 9.66 Origin-only ASes present in the Internet Routing Table: 32301 Origin ASes announcing only one prefix: 15480 Transit ASes present in the Internet Routing Table: 5225 Transit-only ASes present in the Internet Routing Table: 130 Average AS path length visible in the Internet Routing Table: 4.4 Max AS path length visible: 33 Max AS path prepend of ASN (48687) 24 Prefixes from unregistered ASNs in the Routing Table: 1408 Unregistered ASNs in the Routing Table: 776 Number of 32-bit ASNs allocated by the RIRs: 1847 Number of 32-bit ASNs visible in the Routing Table: 1505 Prefixes from 32-bit ASNs in the Routing Table: 3433 Special use prefixes present in the Routing Table: 8 Prefixes being announced from unallocated address space: 90 Number of addresses announced to Internet: 2483765984 Equivalent to 148 /8s, 11 /16s and 66 /24s Percentage of available address space announced: 67.0 Percentage of allocated address space announced: 67.0 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.5 Total number of prefixes smaller than registry allocations: 158480

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

Prefixes being announced by APNIC Region ASes: 94459 Total APNIC prefixes after maximum aggregation: 30901 APNIC Deaggregation factor: 3.06 Prefixes being announced from the APNIC address blocks: 90911 Unique aggregates announced from the APNIC address blocks: 37948 APNIC Region origin ASes present in the Internet Routing Table: 4578 APNIC Prefixes per ASN: 19.86 APNIC Region origin ASes announcing only one prefix: 1258 APNIC Region transit ASes present in the Internet Routing Table: 703 Average APNIC Region AS path length visible: 4.4 Max APNIC Region AS path length visible: 19 Number of APNIC region 32-bit ASNs visible in the Routing Table: 92 Number of APNIC addresses announced to Internet: 628514912 Equivalent to 37 /8s, 118 /16s and 96 /24s Percentage of available APNIC address space announced: 79.7

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319, 58368-59391, 131072-132095, 132096-133119 APNIC Address Blocks 1/8, 14/8, 27/8, 36/8, 39/8, 42/8, 43/8, 49/8, 58/8, 59/8, 60/8, 61/8, 101/8, 103/8, 106/8, 110/8, 111/8, 112/8, 113/8, 114/8, 115/8, 116/8, 117/8, 118/8, 119/8, 120/8, 121/8, 122/8, 123/8, 124/8, 125/8, 126/8, 133/8, 175/8, 180/8, 182/8, 183/8, 202/8, 203/8, 210/8, 211/8, 218/8, 219/8, 220/8, 221/8, 222/8, 223/8,

ARIN Region Analysis Summary ----------------------------

Prefixes being announced by ARIN Region ASes: 144520 Total ARIN prefixes after maximum aggregation: 74162 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 116658 Unique aggregates announced from the ARIN address blocks: 47995 ARIN Region origin ASes present in the Internet Routing Table: 14725 ARIN Prefixes per ASN: 7.92 ARIN Region origin ASes announcing only one prefix: 5662 ARIN Region transit ASes present in the Internet Routing Table: 1561 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 25 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 804737024 Equivalent to 47 /8s, 247 /16s and 80 /24s Percentage of available ARIN address space announced: 64.0

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, 46080-47103 53248-55295, 393216-394239 ARIN Address Blocks 3/8, 4/8, 6/8, 7/8, 8/8, 9/8, 11/8, 12/8, 13/8, 15/8, 16/8, 17/8, 18/8, 19/8, 20/8, 21/8, 22/8, 23/8, 24/8, 26/8, 28/8, 29/8, 30/8, 32/8, 33/8, 34/8, 35/8, 38/8, 40/8, 44/8, 45/8, 47/8, 48/8, 50/8, 52/8, 53/8, 54/8, 55/8, 56/8, 57/8, 63/8, 64/8, 65/8, 66/8, 67/8, 68/8, 69/8, 70/8, 71/8, 72/8, 73/8, 74/8, 75/8, 76/8, 96/8, 97/8, 98/8, 99/8, 100/8, 104/8, 107/8, 108/8, 173/8, 174/8, 184/8, 199/8, 204/8, 205/8, 206/8, 207/8, 208/8, 209/8, 214/8, 215/8, 216/8,

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

Prefixes being announced by RIPE Region ASes: 90391 Total RIPE prefixes after maximum aggregation: 50599 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 83000 Unique aggregates announced from the RIPE address blocks: 54257 RIPE Region origin ASes present in the Internet Routing Table: 16020 RIPE Prefixes per ASN: 5.18 RIPE Region origin ASes announcing only one prefix: 7956 RIPE Region transit ASes present in the Internet Routing Table: 2509 Average RIPE Region AS path length visible: 4.7 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1056 Number of RIPE addresses announced to Internet: 490696576 Equivalent to 29 /8s, 63 /16s and 111 /24s Percentage of available RIPE address space announced: 79.0

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 40960-45055, 47104-52223, 56320-58367 196608-198655 RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8, 62/8, 77/8, 78/8, 79/8, 80/8, 81/8, 82/8, 83/8, 84/8, 85/8, 86/8, 87/8, 88/8, 89/8, 90/8, 91/8, 92/8, 93/8, 94/8, 95/8, 109/8, 176/8, 178/8, 185/8, 193/8, 194/8, 195/8, 212/8, 213/8, 217/8,

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

Prefixes being announced by LACNIC Region ASes: 35908 Total LACNIC prefixes after maximum aggregation: 7870 LACNIC Deaggregation factor: 4.56 Prefixes being announced from the LACNIC address blocks: 35278 Unique aggregates announced from the LACNIC address blocks: 17992 LACNIC Region origin ASes present in the Internet Routing Table: 1540 LACNIC Prefixes per ASN: 22.91 LACNIC Region origin ASes announcing only one prefix: 450 LACNIC Region transit ASes present in the Internet Routing Table: 279 Average LACNIC Region AS path length visible: 4.5 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 341 Number of LACNIC addresses announced to Internet: 90735232 Equivalent to 5 /8s, 104 /16s and 130 /24s Percentage of available LACNIC address space announced: 60.1

LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247, 262144-263167 plus ERX transfers LACNIC Address Blocks 177/8, 179/8, 181/8, 186/8, 187/8, 189/8, 190/8, 200/8, 201/8,

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

Prefixes being announced by AfriNIC Region ASes: 8352 Total AfriNIC prefixes after maximum aggregation: 2007 AfriNIC Deaggregation factor: 4.16 Prefixes being announced from the AfriNIC address blocks: 6438 Unique aggregates announced from the AfriNIC address blocks: 1975 AfriNIC Region origin ASes present in the Internet Routing Table: 487 AfriNIC Prefixes per ASN: 13.22 AfriNIC Region origin ASes announcing only one prefix: 154 AfriNIC Region transit ASes present in the Internet Routing Table: 108 Average AfriNIC Region AS path length visible: 4.6 Max AfriNIC Region AS path length visible: 25 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4 Number of AfriNIC addresses announced to Internet: 27808512 Equivalent to 1 /8s, 168 /16s and 83 /24s Percentage of available AfriNIC address space announced: 41.4

AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers AfriNIC Address Blocks 41/8, 102/8, 105/8, 197/8,

APNIC Region per AS prefix count summary ----------------------------------------

ASN No of nets /20 equiv MaxAgg Description 4766 2497 11063 960 Korea Telecom (KIX) 17974 1917 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1612 303 87 TPG Internet Pty Ltd 4755 1546 639 174 TATA Communications formerly 7552 1393 1064 7 Vietel Corporation 9829 1165 989 28 BSNL National Internet Backbo 24560 1100 342 225 Bharti Airtel Ltd., Telemedia 9583 1087 80 503 Sify Limited 4808 1081 2100 308 CNCGROUP IP network: China169 18101 952 165 142 Reliance Infocom Ltd Internet

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC

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

ASN No of nets /20 equiv MaxAgg Description 6389 3550 3815 221 bellsouth.net, inc. 18566 1916 366 240 Covad Communications 7029 1898 1016 197 Windstream Communications Inc 1785 1836 680 121 PaeTec Communications, Inc. 4323 1628 1083 392 Time Warner Telecom 20115 1591 1541 635 Charter Communications 22773 1460 2907 100 Cox Communications, Inc. 19262 1394 4728 400 Verizon Global Networks 30036 1385 250 676 Mediacom Communications Corp 7018 1340 7033 877 AT&T WorldNet Services

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN

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

ASN No of nets /20 equiv MaxAgg Description 8402 1484 352 13 Corbina telecom 6830 653 1927 415 UPC Distribution Services 34984 580 108 180 BILISIM TELEKOM 20940 547 184 421 Akamai Technologies European 3320 503 8169 385 Deutsche Telekom AG 3292 483 2082 409 TDC Tele Danmark 12479 481 593 7 Uni2 Autonomous System 8866 459 133 26 Bulgarian Telecommunication C 29049 424 31 55 AzerSat LLC. 8551 404 354 44 Bezeq International

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE

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

ASN No of nets /20 equiv MaxAgg Description 10620 1680 310 154 TVCABLE BOGOTA 8151 1415 2843 347 UniNet S.A. de C.V. 28573 1377 1015 68 NET Servicos de Comunicao S.A 7303 1164 683 175 Telecom Argentina Stet-France 27925 707 98 11 Entel PCS Telecomunicaciones 14420 636 59 87 CORPORACION NACIONAL DE TELEC 22047 579 322 17 VTR PUNTO NET S.A. 6503 575 450 69 AVANTEL, S.A. 27947 575 71 83 Telconet S.A 7738 553 1050 31 Telecomunicacoes da Bahia S.A

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC

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

ASN No of nets /20 equiv MaxAgg Description 24863 792 146 36 LINKdotNET AS number 8452 507 446 12 TEDATA 15475 444 74 8 Nile Online 36992 298 415 19 Etisalat MISR 3741 278 938 230 The Internet Solution 15706 244 32 6 Sudatel Internet Exchange Aut 6713 242 519 14 Itissalat Al-MAGHRIB 29571 217 17 13 Ci Telecom Autonomous system 33776 207 13 14 Starcomms Nigeria Limited 12258 198 28 58 Vodacom Internet Company

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC

Global Per AS prefix count summary ----------------------------------

ASN No of nets /20 equiv MaxAgg Description 6389 3550 3815 221 bellsouth.net, inc. 4766 2497 11063 960 Korea Telecom (KIX) 17974 1917 519 33 PT TELEKOMUNIKASI INDONESIA 18566 1916 366 240 Covad Communications 7029 1898 1016 197 Windstream Communications Inc 1785 1836 680 121 PaeTec Communications, Inc. 10620 1680 310 154 TVCABLE BOGOTA 4323 1628 1083 392 Time Warner Telecom 7545 1612 303 87 TPG Internet Pty Ltd 20115 1591 1541 635 Charter Communications

Complete listing at http://thyme.rand.apnic.net/current/data-ASnet

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

ASN No of nets Net Savings Description 17974 1917 1884 PT TELEKOMUNIKASI INDONESIA 1785 1836 1715 PaeTec Communications, Inc. 7029 1898 1701 Windstream Communications Inc 18566 1916 1676 Covad Communications 4766 2497 1537 Korea Telecom (KIX) 10620 1680 1526 TVCABLE BOGOTA 7545 1612 1525 TPG Internet Pty Ltd 8402 1484 1471 Corbina telecom 7552 1393 1386 Vietel Corporation 4755 1546 1372 TATA Communications formerly

Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet

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

Bad AS Designation Network Transit AS Description 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic 32567 UNALLOCATED 12.14.170.0/24 4323 Time Warner Telecom 32567 UNALLOCATED 12.25.107.0/24 4323 Time Warner Telecom 25639 UNALLOCATED 12.41.169.0/24 7018 AT&T WorldNet Servic 13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic 23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.103.0/24 7018 AT&T WorldNet Servic 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies, 16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic 32873 UNALLOCATED 12.46.100.0/23 10912 InterNAP Network Ser

Complete listing at http://thyme.rand.apnic.net/current/data-badAS

Prefixes from private and non-routed address space (Global) -----------------------------------------------------------

Prefix Origin AS Description 128.0.80.0/24 30977 JSC "Yugra-Telecom" 128.0.81.0/24 30977 JSC "Yugra-Telecom" 128.0.82.0/24 30977 JSC "Yugra-Telecom" 128.0.83.0/24 30977 JSC "Yugra-Telecom" 128.0.84.0/24 30977 JSC "Yugra-Telecom" 128.0.85.0/24 30977 JSC "Yugra-Telecom" 128.0.86.0/24 30977 JSC "Yugra-Telecom" 128.0.87.0/24 30977 JSC "Yugra-Telecom"

Complete listing at http://thyme.rand.apnic.net/current/data-dsua

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

Network Origin AS Description 24.225.128.0/18 36377 Comcast Telecommunications, I 24.225.192.0/23 36377 Comcast Telecommunications, I 24.225.192.0/18 36377 Comcast Telecommunications, I 24.225.224.0/21 36377 Comcast Telecommunications, I 24.225.237.0/24 36377 Comcast Telecommunications, I 24.225.248.0/21 36377 Comcast Telecommunications, I 41.222.79.0/24 36938 >>UNKNOWN<< 41.223.92.0/22 36936 >>UNKNOWN<< 62.61.220.0/24 24974 Tachyon Europe BV - Wireless 62.61.221.0/24 24974 Tachyon Europe BV - Wireless

Complete listing at http://thyme.rand.apnic.net/current/data-add-IANA

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

/1:0 /2:0 /3:0 /4:0 /5:0 /6:0 /7:0 /8:19 /9:12 /10:27 /11:81 /12:235 /13:464 /14:806 /15:1423 /16:11993 /17:6014 /18:10042 /19:19905 /20:27242 /21:27309 /22:36855 /23:34920 /24:196457 /25:1148 /26:1352 /27:744 /28:170 /29:4 /30:0 /31:0 /32:5

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

ASN No of nets Total ann. Description 6389 2189 3550 bellsouth.net, inc. 18566 1872 1916 Covad Communications 7029 1590 1898 Windstream Communications Inc 10620 1575 1680 TVCABLE BOGOTA 8402 1461 1484 Corbina telecom 30036 1347 1385 Mediacom Communications Corp 11492 1115 1153 Cable One 1785 1056 1836 PaeTec Communications, Inc. 7011 1048 1166 Citizens Utilities 22773 948 1460 Cox Communications, Inc.

Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos

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

1:389 2:484 4:15 5:1 6:3 8:359 12:1950 13:1 14:538 15:11 16:3 17:7 20:9 23:57 24:1689 27:965 31:580 32:65 33:4 34:2 36:4 38:752 40:108 41:2533 42:50 44:3 46:988 47:3 49:271 50:446 52:13 55:5 56:2 57:37 58:883 59:490 60:363 61:1174 62:1091 63:1932 64:4050 65:2293 66:4015 67:1965 68:1106 69:3199 70:837 71:378 72:1858 74:2514 75:364 76:342 77:884 78:869 79:479 80:1123 81:826 82:501 83:535 84:637 85:1118 86:399 87:872 88:353 89:1601 90:268 91:4173 92:527 93:1390 94:1298 95:1042 96:437 97:281 98:907 99:36 101:212 103:358 106:70 107:64 108:54 109:1046 110:662 111:791 112:320 113:478 114:576 115:697 116:874 117:714 118:894 119:1252 120:338 121:692 122:1590 123:1021 124:1365 125:1379 128:255 129:174 130:164 131:586 132:120 133:21 134:218 135:54 136:213 137:139 138:289 139:124 140:493 141:294 142:387 143:423 144:493 145:63 146:472 147:216 148:636 149:266 150:155 151:193 152:448 153:178 154:7 155:387 156:207 157:360 158:151 159:468 160:320 161:208 162:337 163:175 164:509 165:365 166:537 167:435 168:746 169:145 170:870 171:86 172:4 173:1672 174:662 175:415 176:280 177:320 178:1054 180:1108 181:36 182:633 183:214 184:367 185:1 186:2083 187:668 188:927 189:847 190:5264 192:5909 193:5016 194:3530 195:3093 196:1240 197:184 198:3629 199:4144 200:5504 201:1655 202:8549 203:8485 204:4300 205:2370 206:2659 207:2828 208:4055 209:3485 210:2695 211:1454 212:2049 213:1766 214:796 215:90 216:4938 217:1611 218:562 219:338 220:1242 221:514 222:342 223:279

End of report