Orbit

Routing Table Report 00:00 GMT Sat 22 Oct, 2011

NB: RouteViews data includes iBGP information from some ASNs. Treat the information provided below appropriately.

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

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

BGP routing table entries examined: 383717 Prefixes after maximum aggregation: 170938 Deaggregation factor: 2.24 Unique aggregates announced to Internet: 185756 Total ASes present in the Internet Routing Table: 39178 Prefixes per ASN: 9.79 Origin-only ASes present in the Internet Routing Table: 32342 Origin ASes announcing only one prefix: 15541 Transit ASes present in the Internet Routing Table: 5294 Transit-only ASes present in the Internet Routing Table: 145 Average AS path length visible in the Internet Routing Table: 4.0 Max AS path length visible: 33 Max AS path prepend of ASN (51310) 25 Prefixes from unregistered ASNs in the Routing Table: 5073 Unregistered ASNs in the Routing Table: 846 Number of 32-bit ASNs allocated by the RIRs: 1876 Number of 32-bit ASNs visible in the Routing Table: 1542 Prefixes from 32-bit ASNs in the Routing Table: 3541 Special use prefixes present in the Routing Table: 89 Prefixes being announced from unallocated address space: 89 Number of addresses announced to Internet: 2486683401 Equivalent to 148 /8s, 55 /16s and 199 /24s Percentage of available address space announced: 67.1 Percentage of allocated address space announced: 67.1 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: 160938

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

Prefixes being announced by APNIC Region ASes: 92525 Total APNIC prefixes after maximum aggregation: 29759 APNIC Deaggregation factor: 3.11 Prefixes being announced from the APNIC address blocks: 89113 Unique aggregates announced from the APNIC address blocks: 37959 APNIC Region origin ASes present in the Internet Routing Table: 4570 APNIC Prefixes per ASN: 19.50 APNIC Region origin ASes announcing only one prefix: 1275 APNIC Region transit ASes present in the Internet Routing Table: 722 Average APNIC Region AS path length visible: 4.3 Max APNIC Region AS path length visible: 24 Number of APNIC region 32-bit ASNs visible in the Routing Table: 94 Number of APNIC addresses announced to Internet: 628935680 Equivalent to 37 /8s, 124 /16s and 204 /24s Percentage of available APNIC address space announced: 79.8

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: 148285 Total ARIN prefixes after maximum aggregation: 76543 ARIN Deaggregation factor: 1.94 Prefixes being announced from the ARIN address blocks: 119967 Unique aggregates announced from the ARIN address blocks: 48130 ARIN Region origin ASes present in the Internet Routing Table: 14760 ARIN Prefixes per ASN: 8.13 ARIN Region origin ASes announcing only one prefix: 5668 ARIN Region transit ASes present in the Internet Routing Table: 1549 Average ARIN Region AS path length visible: 3.7 Max ARIN Region AS path length visible: 22 Number of ARIN region 32-bit ASNs visible in the Routing Table: 12 Number of ARIN addresses announced to Internet: 804821784 Equivalent to 47 /8s, 248 /16s and 155 /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: 94803 Total RIPE prefixes after maximum aggregation: 50830 RIPE Deaggregation factor: 1.87 Prefixes being announced from the RIPE address blocks: 86589 Unique aggregates announced from the RIPE address blocks: 54157 RIPE Region origin ASes present in the Internet Routing Table: 16073 RIPE Prefixes per ASN: 5.39 RIPE Region origin ASes announcing only one prefix: 7987 RIPE Region transit ASes present in the Internet Routing Table: 2555 Average RIPE Region AS path length visible: 4.2 Max RIPE Region AS path length visible: 33 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1081 Number of RIPE addresses announced to Internet: 491428036 Equivalent to 29 /8s, 74 /16s and 152 /24s Percentage of available RIPE address space announced: 79.2

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: 35807 Total LACNIC prefixes after maximum aggregation: 7894 LACNIC Deaggregation factor: 4.54 Prefixes being announced from the LACNIC address blocks: 35147 Unique aggregates announced from the LACNIC address blocks: 18072 LACNIC Region origin ASes present in the Internet Routing Table: 1547 LACNIC Prefixes per ASN: 22.72 LACNIC Region origin ASes announcing only one prefix: 453 LACNIC Region transit ASes present in the Internet Routing Table: 275 Average LACNIC Region AS path length visible: 4.3 Max LACNIC Region AS path length visible: 20 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 351 Number of LACNIC addresses announced to Internet: 91740936 Equivalent to 5 /8s, 119 /16s and 219 /24s Percentage of available LACNIC address space announced: 60.8

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: 8551 Total AfriNIC prefixes after maximum aggregation: 2034 AfriNIC Deaggregation factor: 4.20 Prefixes being announced from the AfriNIC address blocks: 6615 Unique aggregates announced from the AfriNIC address blocks: 1979 AfriNIC Region origin ASes present in the Internet Routing Table: 493 AfriNIC Prefixes per ASN: 13.42 AfriNIC Region origin ASes announcing only one prefix: 158 AfriNIC Region transit ASes present in the Internet Routing Table: 112 Average AfriNIC Region AS path length visible: 4.2 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: 27836672 Equivalent to 1 /8s, 168 /16s and 193 /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 1938 11103 657 Korea Telecom (KIX) 17974 1886 519 33 PT TELEKOMUNIKASI INDONESIA 7545 1607 303 85 TPG Internet Pty Ltd 4755 1535 632 172 Videsh Sanchar Nigam Ltd. Aut 7552 1389 1064 8 Vietel Corporation 9829 1166 989 28 BSNL National Internet Backbo 9583 1089 80 498 Sify Limited 4808 1036 2076 303 CNCGROUP IP network: China169 24560 966 343 220 Bharti Airtel Ltd. 18101 953 166 149 Reliance Infocom Ltd Internet

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3545 3815 221 bellsouth.net, inc. 7029 2326 1042 210 Windstream Communications Inc 18566 2098 383 177 Covad Communications 1785 1841 680 123 AppliedTheory Corporation 4323 1626 1099 392 Time Warner Telecom 20115 1593 1546 620 Charter Communications 22773 1462 2907 100 Cox Communications, Inc. 19262 1395 4728 400 Verizon Global Networks 30036 1394 251 671 Mediacom Communications Corp 7018 1324 7047 868 AT&T WorldNet Services

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

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

ASN No of nets /20 equiv MaxAgg Description 3352 2203 2317 51 Internet Access Network of TD 8402 1472 352 13 Corbina telecom 286 1101 827 211 KPNQwest Backbone AS 6830 654 1927 415 UPC Distribution Services 34984 583 108 179 Tellcom Iletisim Hizmetleri 20940 556 186 427 Akamai Technologies European 9116 540 326 31 Goldenlines main autonomous s 3292 532 2080 408 TDC Tele Danmark 3320 503 8169 383 Deutsche Telekom AG 12479 477 593 7 Uni2 Autonomous System

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

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

ASN No of nets /20 equiv MaxAgg Description 10620 1694 313 155 TVCABLE BOGOTA 8151 1466 2894 347 Uninet S.A. de C.V. 28573 1413 1031 77 Types of queries are: POCs, o 7303 1229 747 177 Telecom Argentina Stet-France 27947 598 72 84 Telconet S.A 6503 581 450 71 AVANTEL, S.A. 22047 580 322 17 Types of queries are: POCs, o 7738 552 1050 31 Telecomunicacoes da Bahia S.A 10481 548 430 20 Prima S.A. 3816 541 233 96 COLOMBIA TELECOMUNICACIONES S

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

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

ASN No of nets /20 equiv MaxAgg Description 24863 800 146 34 LINKdotNET AS number 8452 641 446 12 TEDATA 15475 443 74 8 Nile Online 36992 297 415 21 Etisalat MISR 3741 280 939 229 The Internet Solution 6713 244 519 14 Itissalat Al-MAGHRIB 15706 240 32 6 Sudatel Internet Exchange Aut 29571 218 18 14 Ci Telecom Autonomous system 33776 208 13 14 Starcomms Nigeria Limited 12258 197 28 58 YEBO-AS

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

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

ASN No of nets /20 equiv MaxAgg Description 6389 3545 3815 221 bellsouth.net, inc. 7029 2326 1042 210 Windstream Communications Inc 3352 2203 2317 51 Internet Access Network of TD 18566 2098 383 177 Covad Communications 4766 1938 11103 657 Korea Telecom (KIX) 17974 1886 519 33 PT TELEKOMUNIKASI INDONESIA 1785 1841 680 123 AppliedTheory Corporation 10620 1694 313 155 TVCABLE BOGOTA 4323 1626 1099 392 Time Warner Telecom 7545 1607 303 85 TPG Internet Pty Ltd

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

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

ASN No of nets Net Savings Description 3352 2203 2152 Internet Access Network of TD 7029 2326 2116 Windstream Communications Inc 18566 2098 1921 Covad Communications 17974 1886 1853 PT TELEKOMUNIKASI INDONESIA 1785 1841 1718 AppliedTheory Corporation 10620 1694 1539 TVCABLE BOGOTA 7545 1607 1522 TPG Internet Pty Ltd 8402 1472 1459 Corbina telecom 7552 1389 1381 Vietel Corporation 4755 1535 1363 Videsh Sanchar Nigam Ltd. Aut

Complete listing at http://thyme.rand.apnic.net/rviews/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 7018 AT&T WorldNet Servic 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 7018 AT&T WorldNet Servic

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

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

Prefix Origin AS Description 10.29.244.56/29 286 KPNQwest Backbone AS 10.29.245.1/32 286 KPNQwest Backbone AS 10.29.245.2/32 286 KPNQwest Backbone AS 10.29.245.15/32 286 KPNQwest Backbone AS 10.29.245.19/32 286 KPNQwest Backbone AS 10.29.245.20/32 286 KPNQwest Backbone AS 10.29.245.21/32 286 KPNQwest Backbone AS 10.29.245.22/32 286 KPNQwest Backbone AS 10.29.245.25/32 286 KPNQwest Backbone AS 10.29.245.26/32 286 KPNQwest Backbone AS

Complete listing at http://thyme.rand.apnic.net/rviews/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/rviews/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 /14:813 /15:1456 /16:12133 /17:6291 /18:10385 /19:20504 /20:28619 /21:27980 /22:37682 /23:36356 /24:199043 /25:65 /26:74 /27:103 /28:276 /29:78 /30:486 /31:53 /32:481

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

ASN No of nets Total ann. Description 6389 2184 3545 bellsouth.net, inc. 18566 2047 2098 Covad Communications 7029 1981 2326 Windstream Communications Inc 3352 1751 2203 Internet Access Network of TD 10620 1589 1694 TVCABLE BOGOTA 8402 1449 1472 Corbina telecom 30036 1356 1394 Mediacom Communications Corp 11492 1118 1156 Cable One 1785 1057 1841 AppliedTheory Corporation 7011 1048 1166 Citizens Utilities

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

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

1:411 2:482 4:19 5:1 6:3 8:362 12:1959 13:1 14:542 15:11 16:3 17:7 20:9 23:59 24:1681 27:964 31:604 32:150 33:4 34:2 36:4 38:758 39:1 40:110 41:2679 42:54 44:3 46:1003 47:3 49:296 50:442 52:13 55:6 56:2 57:47 58:885 59:493 60:363 61:1183 62:1094 63:1976 64:4074 65:2312 66:4310 67:2001 68:1329 69:3301 70:938 71:379 72:1832 73:1 74:2626 75:401 76:328 77:889 78:863 79:484 80:1594 81:944 82:506 83:580 84:622 85:1119 86:412 87:897 88:424 89:1615 90:235 91:4223 92:528 93:1541 94:1310 95:1080 96:441 97:284 98:930 99:37 101:211 103:391 106:70 107:73 108:76 109:1057 110:671 111:786 112:331 113:488 114:614 115:706 116:909 117:720 118:914 119:1249 120:339 121:712 122:1570 123:1023 124:1355 125:1384 128:258 129:180 130:166 131:593 132:145 133:21 134:220 135:54 136:213 137:140 138:284 139:136 140:488 141:298 142:390 143:432 144:495 145:64 146:470 147:226 148:695 149:267 150:166 151:192 152:447 153:178 154:7 155:386 156:206 157:363 158:153 159:479 160:324 161:214 162:340 163:172 164:509 165:387 166:537 167:438 168:742 169:147 170:872 171:86 172:4 173:1721 174:689 175:437 176:273 177:337 178:1072 180:1095 181:36 182:655 183:217 184:387 185:1 186:1298 187:704 188:938 189:873 190:5103 192:5948 193:5053 194:3587 195:3130 196:1263 197:165 198:3635 199:4180 200:5521 201:1683 202:8558 203:8503 204:4295 205:2369 206:2690 207:2836 208:4041 209:3602 210:2725 211:1458 212:2126 213:1808 214:784 215:95 216:4930 217:1621 218:568 219:344 220:1245 221:514 222:346 223:272

End of report