Orbit

Routing Table Report 08:00 +10GMT Wed 20 Jul, 2011

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

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

BGP routing table entries examined: 358157 Prefixes after maximum aggregation: 163572 Deaggregation factor: 2.19 Unique aggregates announced to Internet: 180766 Total ASes present in the Internet Routing Table: 36796 Prefixes per ASN: 9.73 Origin-only ASes present in the Internet Routing Table: 31738 Origin ASes announcing only one prefix: 15278 Transit ASes present in the Internet Routing Table: 5058 Transit-only ASes present in the Internet Routing Table: 122 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 37 Max AS path prepend of ASN (22394) 31 Prefixes from unregistered ASNs in the Routing Table: 2306 Unregistered ASNs in the Routing Table: 623 Number of 32-bit ASNs allocated by the RIRs: 1570 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 2907 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 121 Number of addresses announced to Internet: 2495705856 Equivalent to 148 /8s, 193 /16s and 115 /24s Percentage of available address space announced: 67.3 Percentage of allocated address space announced: 67.3 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.1 Total number of prefixes smaller than registry allocations: 147707

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

Prefixes being announced by APNIC Region ASes: 86255 Total APNIC prefixes after maximum aggregation: 29006 APNIC Deaggregation factor: 2.97 Prefixes being announced from the APNIC address blocks: 83872 Unique aggregates announced from the APNIC address blocks: 37549 APNIC Region origin ASes present in the Internet Routing Table: 4463 APNIC Prefixes per ASN: 18.79 APNIC Region origin ASes announcing only one prefix: 1262 APNIC Region transit ASes present in the Internet Routing Table: 676 Average APNIC Region AS path length visible: 4.1 Max APNIC Region AS path length visible: 20 Number of APNIC region 32-bit ASNs visible in the Routing Table: 0 Number of APNIC addresses announced to Internet: 621691392 Equivalent to 37 /8s, 14 /16s and 66 /24s Percentage of available APNIC address space announced: 78.8

APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431 (pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079 55296-56319, 131072-132095 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: 140181 Total ARIN prefixes after maximum aggregation: 72503 ARIN Deaggregation factor: 1.93 Prefixes being announced from the ARIN address blocks: 112390 Unique aggregates announced from the ARIN address blocks: 46627 ARIN Region origin ASes present in the Internet Routing Table: 14411 ARIN Prefixes per ASN: 7.80 ARIN Region origin ASes announcing only one prefix: 5528 ARIN Region transit ASes present in the Internet Routing Table: 1455 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 34 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 802531328 Equivalent to 47 /8s, 213 /16s and 168 /24s Percentage of available ARIN address space announced: 63.8

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, 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: 87005 Total RIPE prefixes after maximum aggregation: 49303 RIPE Deaggregation factor: 1.76 Prefixes being announced from the RIPE address blocks: 80392 Unique aggregates announced from the RIPE address blocks: 52916 RIPE Region origin ASes present in the Internet Routing Table: 15801 RIPE Prefixes per ASN: 5.09 RIPE Region origin ASes announcing only one prefix: 7888 RIPE Region transit ASes present in the Internet Routing Table: 2487 Average RIPE Region AS path length visible: 3.6 Max RIPE Region AS path length visible: 37 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 479610624 Equivalent to 28 /8s, 150 /16s and 71 /24s Percentage of available RIPE address space announced: 77.3

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 40960-45055, 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: 32795 Total LACNIC prefixes after maximum aggregation: 7512 LACNIC Deaggregation factor: 4.37 Prefixes being announced from the LACNIC address blocks: 32277 Unique aggregates announced from the LACNIC address blocks: 17082 LACNIC Region origin ASes present in the Internet Routing Table: 1474 LACNIC Prefixes per ASN: 21.90 LACNIC Region origin ASes announcing only one prefix: 447 LACNIC Region transit ASes present in the Internet Routing Table: 259 Average LACNIC Region AS path length visible: 4.0 Max LACNIC Region AS path length visible: 19 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 0 Number of LACNIC addresses announced to Internet: 86093312 Equivalent to 5 /8s, 33 /16s and 174 /24s Percentage of available LACNIC address space announced: 57.0

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: 8319 Total AfriNIC prefixes after maximum aggregation: 2029 AfriNIC Deaggregation factor: 4.10 Prefixes being announced from the AfriNIC address blocks: 6477 Unique aggregates announced from the AfriNIC address blocks: 1995 AfriNIC Region origin ASes present in the Internet Routing Table: 476 AfriNIC Prefixes per ASN: 13.61 AfriNIC Region origin ASes announcing only one prefix: 153 AfriNIC Region transit ASes present in the Internet Routing Table: 104 Average AfriNIC Region AS path length visible: 3.4 Max AfriNIC Region AS path length visible: 24 Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0 Number of AfriNIC addresses announced to Internet: 24494848 Equivalent to 1 /8s, 117 /16s and 195 /24s Percentage of available AfriNIC address space announced: 36.5

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 1910 11036 633 Korea Telecom (KIX) 7545 1551 301 83 TPG Internet Pty Ltd 17974 1543 456 46 PT Telekomunikasi Indonesia 4755 1501 375 168 TATA Communications formerly 24560 1155 336 187 Bharti Airtel Ltd., Telemedia 9829 1106 923 47 National Internet Backbone 9583 1062 77 503 Sify Limited 17488 964 187 106 Hathway IP Over Cable Interne 4808 947 2003 274 CNCGROUP IP network China169 18101 933 116 139 Reliance Infocom Ltd Internet

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3605 3818 240 BellSouth.net Inc. 18566 1911 364 239 Covad Communications Co. 1785 1813 681 122 PaeTec Communications, Inc. 4323 1615 1098 402 tw telecom holdings, inc. 20115 1587 1535 625 Charter Communications 19262 1410 4744 390 Verizon Online LLC 7029 1388 1031 209 Windstream Communications Inc 7018 1378 7102 904 AT&T Services, Inc. 22773 1350 2897 89 Cox Communications Inc. 2386 1259 521 907 AT&T Data Communications Serv

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

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

ASN No of nets /20 equiv MaxAgg Description 9116 540 326 31 Goldenlines main autonomous s 6830 509 1780 315 UPC Broadband 34984 504 101 205 BILISIM TELEKOM 3292 468 2078 403 TDC Data Networks 20940 459 131 355 Akamai Technologies European 12479 458 593 7 France Telecom Espana SA 8866 450 133 25 Bulgarian Telecommunication C 29049 432 32 47 AzerSat LLC. 3320 422 8151 368 Deutsche Telekom AG 8551 405 355 38 Bezeq International

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

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

ASN No of nets /20 equiv MaxAgg Description 10620 1557 286 164 Types of queries are: POCs, o 28573 1263 995 77 Types of queries are: POCs, o 8151 1254 2728 350 Uninet S.A. de C.V. 7303 986 511 165 Telecom Argentina S.A. 6503 738 354 74 Axtel, S.A.B. de C.V. 14420 699 56 84 CORPORACION NACIONAL DE TELEC 22047 578 322 17 Types of queries are: POCs, o 3816 534 232 96 Types of queries are: POCs, o 7738 516 986 31 Telecomunicacoes da Bahia S.A 27947 499 54 48 Telconet S.A

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

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

ASN No of nets /20 equiv MaxAgg Description 24863 790 147 34 LINKdotNET AS number 8452 770 445 11 TEDATA 15475 511 74 8 Nile Online 36992 317 415 15 Etisalat MISR 3741 262 937 223 The Internet Solution 6713 241 215 13 Itissalat Al-MAGHRIB 33776 226 13 5 Starcomms Nigeria Limited 24835 175 78 10 RAYA Telecom - Egypt 29571 158 17 11 Ci Telecom Autonomous system 15706 149 32 6 Sudatel Internet Exchange Aut

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3605 3818 240 BellSouth.net Inc. 23456 2907 706 1566 32-bit ASN transition 18566 1911 364 239 Covad Communications Co. 4766 1910 11036 633 Korea Telecom (KIX) 1785 1813 681 122 PaeTec Communications, Inc. 4323 1615 1098 402 tw telecom holdings, inc. 20115 1587 1535 625 Charter Communications 10620 1557 286 164 Types of queries are: POCs, o 7545 1551 301 83 TPG Internet Pty Ltd 17974 1543 456 46 PT Telekomunikasi Indonesia

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

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

ASN No of nets Net Savings Description 1785 1813 1691 PaeTec Communications, Inc. 18566 1911 1672 Covad Communications Co. 17974 1543 1497 PT Telekomunikasi Indonesia 7545 1551 1468 TPG Internet Pty Ltd 10620 1557 1393 Types of queries are: POCs, o 23456 2907 1341 32-bit ASN transition 4755 1501 1333 TATA Communications formerly 4766 1910 1277 Korea Telecom (KIX) 22773 1350 1261 Cox Communications Inc. 4323 1615 1213 tw telecom holdings, inc.

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

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

Bad AS Designation Network Transit AS Description 65333 PRIVATE 10.0.0.0/8 0 * 32805 UNALLOCATED 12.1.225.0/24 7018 AT&T Services, Inc. 15132 UNALLOCATED 12.9.150.0/24 7018 AT&T Services, Inc. 32567 UNALLOCATED 12.14.170.0/24 7018 AT&T Services, Inc. 16504 UNALLOCATED 12.18.155.0/24 30170 Optic Fusion 32567 UNALLOCATED 12.25.107.0/24 4323 tw telecom holdings, 30031 UNALLOCATED 12.27.122.0/24 7018 AT&T Services, Inc. 26095 UNALLOCATED 12.34.8.0/24 7018 AT&T Services, Inc. 21861 UNALLOCATED 12.37.59.0/24 7018 AT&T Services, Inc. 26973 UNALLOCATED 12.39.152.0/24 7018 AT&T Services, Inc.

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

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

Prefix Origin AS Description 10.0.0.0/8 65333 Internet Assigned Numbers Aut 169.254.0.0/16 65333 Internet Assigned Numbers Aut 172.16.0.0/12 65333 Internet Assigned Numbers Aut 192.0.2.0/24 65333 Internet Assigned Numbers Aut 192.168.0.0/16 65535 Internet Assigned Numbers Aut 198.18.0.0/15 65333 Internet Assigned Numbers Aut

Complete listing at http://thyme.rand.apnic.net/london/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 62.61.221.0/24 24974 Tachyon Europe BV

Complete listing at http://thyme.rand.apnic.net/london/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 /8:21 /9:12 /10:26 /11:80 /12:233 /13:464 /14:794 /15:1397 /16:11981 /17:5864 /18:9766 /19:19604 /20:25910 /21:26112 /22:34529 /23:33317 /24:187536 /25:12 /26:19 /27:23 /28:161 /29:107 /30:59 /31:0 /32:130

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

ASN No of nets Total ann. Description 6389 2223 3605 BellSouth.net Inc. 18566 1867 1911 Covad Communications Co. 10620 1452 1557 Types of queries are: POCs, o 23456 1431 2907 32-bit ASN transition 11492 1092 1138 CABLE ONE, INC. 7029 1068 1388 Windstream Communications Inc 7011 1056 1158 Frontier Communications of Am 1785 1055 1813 PaeTec Communications, Inc. 6478 1013 1042 AT&T Services, Inc. 22773 865 1350 Cox Communications Inc.

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

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

1:329 2:46 4:16 5:1 6:3 8:337 12:1961 13:1 14:479 15:15 16:3 17:5 20:10 23:14 24:1673 27:832 31:501 32:59 33:4 34:2 36:4 38:744 40:104 41:2539 42:34 44:3 46:1041 47:3 49:201 50:380 52:13 54:2 55:4 56:2 57:35 58:815 59:475 60:385 61:1019 62:1038 63:1925 64:3939 65:2296 66:3856 67:1874 68:1097 69:3040 70:755 71:386 72:1886 74:2409 75:317 76:340 77:888 78:712 79:475 80:1114 81:843 82:502 83:457 84:690 85:1062 86:519 87:767 88:337 89:1538 90:224 91:3970 92:523 93:1056 94:1349 95:858 96:413 97:263 98:891 99:37 101:75 103:140 106:73 107:22 108:72 109:1019 110:605 111:707 112:298 113:401 114:552 115:663 116:952 117:666 118:818 119:1156 120:313 121:652 122:1600 123:963 124:1267 125:1228 128:208 129:165 130:164 131:573 132:103 133:21 134:205 135:48 136:214 137:135 138:298 139:114 140:458 141:246 142:387 143:414 144:484 145:55 146:448 147:216 148:602 149:248 150:154 151:189 152:340 153:182 154:3 155:394 156:196 157:322 158:137 159:386 160:311 161:194 162:307 163:151 164:504 165:365 166:530 167:434 168:733 169:151 170:845 171:78 172:1 173:1600 174:597 175:368 176:144 177:171 178:988 180:885 181:23 182:490 183:233 184:346 185:1 186:1290 187:741 188:884 189:943 190:4938 192:5857 193:4996 194:3519 195:3049 196:1209 197:43 198:3523 199:3931 200:5491 201:1468 202:8203 203:8355 204:4152 205:2313 206:2584 207:2739 208:3979 209:3398 210:2598 211:1443 212:2108 213:1768 214:765 215:68 216:4891 217:1670 218:532 219:343 220:1196 221:480 222:312 223:216

End of report