Orbit

Routing Table Report 08:00 +10GMT Fri 21 Oct, 2011

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

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

BGP routing table entries examined: 374415 Prefixes after maximum aggregation: 167834 Deaggregation factor: 2.23 Unique aggregates announced to Internet: 185654 Total ASes present in the Internet Routing Table: 37448 Prefixes per ASN: 10.00 Origin-only ASes present in the Internet Routing Table: 32318 Origin ASes announcing only one prefix: 15521 Transit ASes present in the Internet Routing Table: 5130 Transit-only ASes present in the Internet Routing Table: 125 Average AS path length visible in the Internet Routing Table: 3.6 Max AS path length visible: 27 Max AS path prepend of ASN (51310) 25 Prefixes from unregistered ASNs in the Routing Table: 2225 Unregistered ASNs in the Routing Table: 889 Number of 32-bit ASNs allocated by the RIRs: 1874 Number of 32-bit ASNs visible in the Routing Table: 0 Prefixes from 32-bit ASNs in the Routing Table: 3493 Special use prefixes present in the Routing Table: 6 Prefixes being announced from unallocated address space: 93 Number of addresses announced to Internet: 2502937088 Equivalent to 149 /8s, 47 /16s and 202 /24s Percentage of available address space announced: 67.5 Percentage of allocated address space announced: 67.5 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: 157063

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

Prefixes being announced by APNIC Region ASes: 89408 Total APNIC prefixes after maximum aggregation: 29605 APNIC Deaggregation factor: 3.02 Prefixes being announced from the APNIC address blocks: 86799 Unique aggregates announced from the APNIC address blocks: 38008 APNIC Region origin ASes present in the Internet Routing Table: 4540 APNIC Prefixes per ASN: 19.12 APNIC Region origin ASes announcing only one prefix: 1278 APNIC Region transit ASes present in the Internet Routing Table: 693 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: 628530944 Equivalent to 37 /8s, 118 /16s and 159 /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: 144498 Total ARIN prefixes after maximum aggregation: 73951 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 116718 Unique aggregates announced from the ARIN address blocks: 48236 ARIN Region origin ASes present in the Internet Routing Table: 14671 ARIN Prefixes per ASN: 7.96 ARIN Region origin ASes announcing only one prefix: 5655 ARIN Region transit ASes present in the Internet Routing Table: 1488 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: 804784384 Equivalent to 47 /8s, 248 /16s and 9 /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: 93128 Total RIPE prefixes after maximum aggregation: 50634 RIPE Deaggregation factor: 1.84 Prefixes being announced from the RIPE address blocks: 85776 Unique aggregates announced from the RIPE address blocks: 54105 RIPE Region origin ASes present in the Internet Routing Table: 16047 RIPE Prefixes per ASN: 5.35 RIPE Region origin ASes announcing only one prefix: 7983 RIPE Region transit ASes present in the Internet Routing Table: 2514 Average RIPE Region AS path length visible: 3.4 Max RIPE Region AS path length visible: 27 Number of RIPE region 32-bit ASNs visible in the Routing Table: 0 Number of RIPE addresses announced to Internet: 491074560 Equivalent to 29 /8s, 69 /16s and 52 /24s Percentage of available RIPE address space announced: 79.1

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: 34672 Total LACNIC prefixes after maximum aggregation: 7803 LACNIC Deaggregation factor: 4.44 Prefixes being announced from the LACNIC address blocks: 34248 Unique aggregates announced from the LACNIC address blocks: 18039 LACNIC Region origin ASes present in the Internet Routing Table: 1530 LACNIC Prefixes per ASN: 22.38 LACNIC Region origin ASes announcing only one prefix: 448 LACNIC Region transit ASes present in the Internet Routing Table: 261 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: 91606272 Equivalent to 5 /8s, 117 /16s and 205 /24s Percentage of available LACNIC address space announced: 60.7

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: 2013 AfriNIC Deaggregation factor: 4.25 Prefixes being announced from the AfriNIC address blocks: 6603 Unique aggregates announced from the AfriNIC address blocks: 1996 AfriNIC Region origin ASes present in the Internet Routing Table: 490 AfriNIC Prefixes per ASN: 13.48 AfriNIC Region origin ASes announcing only one prefix: 157 AfriNIC Region transit ASes present in the Internet Routing Table: 107 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: 27823872 Equivalent to 1 /8s, 168 /16s and 143 /24s Percentage of available AfriNIC address space announced: 41.5

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 1937 11087 656 Korea Telecom (KIX) 7545 1608 303 86 TPG Internet Pty Ltd 17974 1604 512 38 PT Telekomunikasi Indonesia 4755 1535 380 175 TATA Communications formerly 9829 1166 989 28 National Internet Backbone 9583 1088 80 503 Sify Limited 7552 983 1062 11 Vietel Corporation 24560 967 343 220 Bharti Airtel Ltd., Telemedia 4808 965 2006 273 CNCGROUP IP network China169 18101 952 166 149 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 3547 3815 222 BellSouth.net Inc. 7029 2318 1042 210 Windstream Communications Inc 18566 2097 382 176 Covad Communications Co. 1785 1842 680 122 PaeTec Communications, Inc. 4323 1626 1099 392 tw telecom holdings, inc. 20115 1591 1545 622 Charter Communications 22773 1461 2907 100 Cox Communications Inc. 19262 1395 4728 400 Verizon Online LLC 30036 1393 251 671 Mediacom Communications Corp 7018 1336 7065 877 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 3352 2211 2317 51 Internet Access Network of TD 8402 1471 352 13 Corbina telecom 6830 652 1927 415 UPC Broadband 34984 583 108 179 BILISIM TELEKOM 20940 547 182 421 Akamai Technologies European 9116 540 326 31 Goldenlines main autonomous s 3320 504 8169 384 Deutsche Telekom AG 3292 483 2080 410 TDC Data Networks 12479 483 593 7 France Telecom Espana SA 8866 458 133 26 Bulgarian Telecommunication C

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 1694 313 155 Types of queries are: POCs, o 28573 1433 1032 69 Types of queries are: POCs, o 8151 1284 2876 346 Uninet S.A. de C.V. 7303 1229 747 177 Telecom Argentina S.A. 22047 580 322 17 Types of queries are: POCs, o 27947 577 72 79 Telconet S.A 6503 558 450 70 Axtel, S.A.B. de C.V. 7738 552 1050 31 Telecomunicacoes da Bahia S.A 3816 540 233 96 Types of queries are: POCs, o 11172 521 101 96 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 798 146 33 LINKdotNET AS number 8452 642 446 12 TEDATA 15475 454 74 8 Nile Online 36992 297 415 21 Etisalat MISR 3741 280 938 230 The Internet Solution 6713 244 519 14 Itissalat Al-MAGHRIB 15706 240 32 6 Sudatel Internet Exchange Aut 29571 217 17 13 Ci Telecom Autonomous system 33776 207 13 14 Starcomms Nigeria Limited 12258 197 28 58 Vodacom Internet Company

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 3547 3815 222 BellSouth.net Inc. 7029 2318 1042 210 Windstream Communications Inc 3352 2211 2317 51 Internet Access Network of TD 18566 2097 382 176 Covad Communications Co. 4766 1937 11087 656 Korea Telecom (KIX) 1785 1842 680 122 PaeTec Communications, Inc. 10620 1694 313 155 Types of queries are: POCs, o 4323 1626 1099 392 tw telecom holdings, inc. 7545 1608 303 86 TPG Internet Pty Ltd 17974 1604 512 38 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 3352 2211 2160 Internet Access Network of TD 7029 2318 2108 Windstream Communications Inc 18566 2097 1921 Covad Communications Co. 1785 1842 1720 PaeTec Communications, Inc. 17974 1604 1566 PT Telekomunikasi Indonesia 10620 1694 1539 Types of queries are: POCs, o 7545 1608 1522 TPG Internet Pty Ltd 8402 1471 1458 Corbina telecom 28573 1433 1364 Types of queries are: POCs, o 22773 1461 1361 Cox Communications 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. 25639 UNALLOCATED 12.41.169.0/24 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 37125 Layer3 Limited 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 /12:236 /13:464 /14:806 /15:1420 /16:11965 /17:6020 /18:9982 /19:20060 /20:27406 /21:27516 /22:36983 /23:35513 /24:195400 /25:12 /26:19 /27:21 /28:149 /29:119 /30:59 /31:0 /32:125

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

ASN No of nets Total ann. Description 6389 2185 3547 BellSouth.net Inc. 18566 2047 2097 Covad Communications Co. 7029 1974 2318 Windstream Communications Inc 3352 1757 2211 Internet Access Network of TD 10620 1589 1694 Types of queries are: POCs, o 8402 1447 1471 Corbina telecom 30036 1355 1393 Mediacom Communications Corp 11492 1118 1155 CABLE ONE, INC. 1785 1057 1842 PaeTec Communications, Inc. 7011 1047 1165 Frontier Communications of Am

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

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

1:403 2:480 4:15 5:1 6:3 8:357 12:1954 13:1 14:531 15:11 16:3 17:7 20:9 23:58 24:1673 27:959 31:602 32:60 33:4 34:2 36:4 38:750 40:110 41:2679 42:53 44:3 46:992 47:3 49:293 50:439 52:13 55:6 56:2 57:35 58:833 59:489 60:360 61:1024 62:1089 63:1933 64:4032 65:2304 66:4270 67:1980 68:1146 69:3240 70:888 71:377 72:1846 74:2566 75:388 76:319 77:880 78:858 79:482 80:1587 81:941 82:487 83:578 84:621 85:1124 86:411 87:888 88:420 89:1601 90:269 91:4212 92:495 93:1538 94:1310 95:1057 96:431 97:283 98:918 99:37 101:92 103:376 106:70 107:72 108:72 109:1046 110:648 111:785 112:322 113:465 114:597 115:677 116:869 117:684 118:858 119:1194 120:338 121:676 122:1555 123:1017 124:1296 125:1323 128:209 129:174 130:159 131:589 132:134 133:21 134:211 135:54 136:211 137:137 138:284 139:120 140:466 141:297 142:369 143:436 144:491 145:63 146:466 147:214 148:618 149:266 150:159 151:192 152:447 153:178 154:6 155:385 156:203 157:330 158:152 159:410 160:323 161:204 162:337 163:163 164:505 165:366 166:537 167:438 168:737 169:144 170:872 171:85 172:4 173:1695 174:684 175:406 176:271 177:338 178:1058 180:1078 181:36 182:632 183:209 184:383 185:1 186:1296 187:704 188:933 189:874 190:5097 192:5871 193:5033 194:3556 195:3105 196:1255 197:152 198:3568 199:4133 200:5407 201:1646 202:8281 203:8379 204:4222 205:2344 206:2591 207:2761 208:4038 209:3569 210:2613 211:1448 212:2096 213:1769 214:786 215:96 216:4980 217:1617 218:555 219:337 220:1203 221:499 222:296 223:274

End of report