Orbit

Routing Table Report 08:00 +10GMT Fri 30 Sep, 2011

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

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

BGP routing table entries examined: 368910 Prefixes after maximum aggregation: 166586 Deaggregation factor: 2.21 Unique aggregates announced to Internet: 185138 Total ASes present in the Internet Routing Table: 37297 Prefixes per ASN: 9.89 Origin-only ASes present in the Internet Routing Table: 32194 Origin ASes announcing only one prefix: 15478 Transit ASes present in the Internet Routing Table: 5103 Transit-only ASes present in the Internet Routing Table: 127 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 31 Max AS path prepend of ASN (51310) 23 Prefixes from unregistered ASNs in the Routing Table: 2220 Unregistered ASNs in the Routing Table: 870 Number of 32-bit ASNs allocated by the RIRs: 1796 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 3328 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 96 Number of addresses announced to Internet: 2498527232 Equivalent to 148 /8s, 236 /16s and 128 /24s Percentage of available address space announced: 67.4 Percentage of allocated address space announced: 67.4 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 91.4 Total number of prefixes smaller than registry allocations: 152990

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

Prefixes being announced by APNIC Region ASes: 89086 Total APNIC prefixes after maximum aggregation: 29455 APNIC Deaggregation factor: 3.02 Prefixes being announced from the APNIC address blocks: 86548 Unique aggregates announced from the APNIC address blocks: 38007 APNIC Region origin ASes present in the Internet Routing Table: 4522 APNIC Prefixes per ASN: 19.14 APNIC Region origin ASes announcing only one prefix: 1269 APNIC Region transit ASes present in the Internet Routing Table: 680 Average APNIC Region AS path length visible: 4.0 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: 627776512 Equivalent to 37 /8s, 107 /16s and 28 /24s Percentage of available APNIC address space announced: 79.6

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: 142686 Total ARIN prefixes after maximum aggregation: 73426 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 115164 Unique aggregates announced from the ARIN address blocks: 48107 ARIN Region origin ASes present in the Internet Routing Table: 14617 ARIN Prefixes per ASN: 7.88 ARIN Region origin ASes announcing only one prefix: 5641 ARIN Region transit ASes present in the Internet Routing Table: 1489 Average ARIN Region AS path length visible: 3.3 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 0 Number of ARIN addresses announced to Internet: 805075456 Equivalent to 47 /8s, 252 /16s and 122 /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: 90122 Total RIPE prefixes after maximum aggregation: 50291 RIPE Deaggregation factor: 1.79 Prefixes being announced from the RIPE address blocks: 82818 Unique aggregates announced from the RIPE address blocks: 54093 RIPE Region origin ASes present in the Internet Routing Table: 15982 RIPE Prefixes per ASN: 5.18 RIPE Region origin ASes announcing only one prefix: 7969 RIPE Region transit ASes present in the Internet Routing Table: 2503 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 31 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 489893632 Equivalent to 29 /8s, 51 /16s and 47 /24s Percentage of available RIPE address space announced: 78.9

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, 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: 34428 Total LACNIC prefixes after maximum aggregation: 7730 LACNIC Deaggregation factor: 4.45 Prefixes being announced from the LACNIC address blocks: 33899 Unique aggregates announced from the LACNIC address blocks: 17953 LACNIC Region origin ASes present in the Internet Routing Table: 1514 LACNIC Prefixes per ASN: 22.39 LACNIC Region origin ASes announcing only one prefix: 447 LACNIC Region transit ASes present in the Internet Routing Table: 265 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: 89519360 Equivalent to 5 /8s, 85 /16s and 245 /24s Percentage of available LACNIC address space announced: 59.3

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: 8547 Total AfriNIC prefixes after maximum aggregation: 2003 AfriNIC Deaggregation factor: 4.27 Prefixes being announced from the AfriNIC address blocks: 6602 Unique aggregates announced from the AfriNIC address blocks: 1952 AfriNIC Region origin ASes present in the Internet Routing Table: 486 AfriNIC Prefixes per ASN: 13.58 AfriNIC Region origin ASes announcing only one prefix: 152 AfriNIC Region transit ASes present in the Internet Routing Table: 103 Average AfriNIC Region AS path length visible: 3.3 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: 27681024 Equivalent to 1 /8s, 166 /16s and 97 /24s Percentage of available AfriNIC address space announced: 41.2

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 1944 11040 655 Korea Telecom (KIX) 17974 1709 519 33 PT Telekomunikasi Indonesia 7545 1604 303 86 TPG Internet Pty Ltd 4755 1539 638 175 TATA Communications formerly 24560 1184 346 190 Bharti Airtel Ltd., Telemedia 9829 1158 989 28 National Internet Backbone 9583 1086 80 502 Sify Limited 18101 954 166 144 Reliance Infocom Ltd Internet 7552 942 1062 11 Vietel Corporation 4808 936 2003 269 CNCGROUP IP network China169

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 3558 3817 226 BellSouth.net Inc. 18566 1913 365 237 Covad Communications Co. 1785 1831 680 123 PaeTec Communications, Inc. 7029 1750 1033 206 Windstream Communications Inc 4323 1625 1098 392 tw telecom holdings, inc. 20115 1594 1542 635 Charter Communications 22773 1455 2907 100 Cox Communications Inc. 30036 1405 261 669 Mediacom Communications Corp 19262 1394 4728 400 Verizon Online LLC 7018 1350 7084 883 AT&T Services, Inc.

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 8402 1062 352 13 Corbina telecom 34984 576 108 179 BILISIM TELEKOM 6830 555 1873 332 UPC Broadband 9116 540 326 31 Goldenlines main autonomous s 20940 522 176 410 Akamai Technologies European 3320 501 8169 383 Deutsche Telekom AG 3292 480 2082 409 TDC Data Networks 12479 474 593 7 France Telecom Espana SA 8866 459 133 26 Bulgarian Telecommunication C 29049 423 31 55 AzerSat LLC.

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 1681 310 155 Types of queries are: POCs, o 28573 1356 1013 70 Types of queries are: POCs, o 8151 1268 2804 339 Uninet S.A. de C.V. 7303 1163 683 175 Telecom Argentina S.A. 14420 742 58 87 CORPORACION NACIONAL DE TELEC 22047 581 322 17 Types of queries are: POCs, o 27947 564 72 79 Telconet S.A 6503 563 450 70 Axtel, S.A.B. de C.V. 3816 537 232 99 Types of queries are: POCs, o 11172 519 101 93 Alestra, S. de R.L. de C.V.

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 810 147 35 LINKdotNET AS number 8452 663 445 11 TEDATA 15475 449 74 8 Nile Online 36992 292 415 14 Etisalat MISR 3741 274 938 229 The Internet Solution 15706 244 32 6 Sudatel Internet Exchange Aut 6713 242 519 14 Itissalat Al-MAGHRIB 33776 239 13 8 Starcomms Nigeria Limited 12258 199 28 59 Vodacom Internet Company 29571 192 17 11 Ci Telecom Autonomous system

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 3558 3817 226 BellSouth.net Inc. 4766 1944 11040 655 Korea Telecom (KIX) 18566 1913 365 237 Covad Communications Co. 1785 1831 680 123 PaeTec Communications, Inc. 7029 1750 1033 206 Windstream Communications Inc 17974 1709 519 33 PT Telekomunikasi Indonesia 10620 1681 310 155 Types of queries are: POCs, o 4323 1625 1098 392 tw telecom holdings, inc. 7545 1604 303 86 TPG Internet Pty Ltd 20115 1594 1542 635 Charter Communications

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 1831 1708 PaeTec Communications, Inc. 18566 1913 1676 Covad Communications Co. 17974 1709 1676 PT Telekomunikasi Indonesia 7029 1750 1544 Windstream Communications Inc 10620 1681 1526 Types of queries are: POCs, o 7545 1604 1518 TPG Internet Pty Ltd 4755 1539 1364 TATA Communications formerly 22773 1455 1355 Cox Communications Inc. 4766 1944 1289 Korea Telecom (KIX) 28573 1356 1286 Types of queries are: POCs, o

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 0 * 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 /8:20 /9:12 /10:27 /11:81 /12:235 /13:464 /14:803 /15:1419 /16:11963 /17:5972 /18:10000 /19:19927 /20:26973 /21:27078 /22:36472 /23:34512 /24:192423 /25:12 /26:20 /27:24 /28:156 /29:125 /30:59 /31:0 /32:133

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

ASN No of nets Total ann. Description 6389 2194 3558 BellSouth.net Inc. 18566 1869 1913 Covad Communications Co. 10620 1576 1681 Types of queries are: POCs, o 7029 1430 1750 Windstream Communications Inc 30036 1362 1405 Mediacom Communications Corp 11492 1113 1150 CABLE ONE, INC. 1785 1053 1831 PaeTec Communications, Inc. 7011 1052 1173 Frontier Communications of Am 8402 1009 1062 Corbina telecom 22773 944 1455 Cox Communications Inc.

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

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

1:381 2:314 4:15 5:1 6:3 8:353 12:1955 13:1 14:520 15:13 16:3 17:7 20:10 23:35 24:1682 27:957 31:563 32:59 33:4 34:2 36:4 38:742 40:108 41:2633 42:49 44:3 46:991 47:3 49:262 50:429 52:13 55:2 56:2 57:36 58:830 59:489 60:362 61:1014 62:1100 63:1927 64:4020 65:2303 66:3972 67:1955 68:1112 69:3186 70:810 71:377 72:1856 74:2453 75:348 76:340 77:879 78:813 79:489 80:1125 81:854 82:508 83:592 84:622 85:1115 86:415 87:882 88:353 89:1573 90:268 91:4138 92:529 93:1308 94:1288 95:899 96:432 97:277 98:916 99:37 101:84 103:326 106:70 107:55 108:75 109:1029 110:628 111:792 112:314 113:429 114:562 115:670 116:863 117:678 118:857 119:1188 120:331 121:666 122:1597 123:1003 124:1297 125:1334 128:206 129:162 130:159 131:577 132:104 133:21 134:206 135:54 136:211 137:136 138:288 139:118 140:474 141:290 142:370 143:412 144:484 145:63 146:466 147:215 148:619 149:261 150:146 151:193 152:444 153:177 154:5 155:386 156:204 157:330 158:150 159:396 160:322 161:195 162:333 163:167 164:507 165:373 166:536 167:432 168:732 169:145 170:863 171:84 172:1 173:1642 174:647 175:409 176:215 177:287 178:1016 180:1081 181:37 182:615 183:209 184:368 185:1 186:1475 187:674 188:923 189:843 190:5149 192:5863 193:5012 194:3528 195:3074 196:1249 197:176 198:3571 199:4096 200:5448 201:1636 202:8277 203:8353 204:4184 205:2336 206:2590 207:2755 208:4065 209:3437 210:2625 211:1453 212:2090 213:1778 214:784 215:74 216:4868 217:1610 218:553 219:331 220:1186 221:494 222:292 223:258

End of report