Orbit

Routing Table Report 00:00 GMT Thu 29 Mar, 2012

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: 406608 Prefixes after maximum aggregation: 173103 Deaggregation factor: 2.35 Unique aggregates announced to Internet: 196040 Total ASes present in the Internet Routing Table: 40558 Prefixes per ASN: 10.03 Origin-only ASes present in the Internet Routing Table: 32944 Origin ASes announcing only one prefix: 15502 Transit ASes present in the Internet Routing Table: 5458 Transit-only ASes present in the Internet Routing Table: 146 Average AS path length visible in the Internet Routing Table: 4.5 Max AS path length visible: 28 Max AS path prepend of ASN (19202) 25 Prefixes from unregistered ASNs in the Routing Table: 5851 Unregistered ASNs in the Routing Table: 279 Number of 32-bit ASNs allocated by the RIRs: 2338 Number of 32-bit ASNs visible in the Routing Table: 2156 Prefixes from 32-bit ASNs in the Routing Table: 5241 Special use prefixes present in the Routing Table: 87 Prefixes being announced from unallocated address space: 1191 Number of addresses announced to Internet: 2529546069 Equivalent to 150 /8s, 197 /16s and 207 /24s Percentage of available address space announced: 68.2 Percentage of allocated address space announced: 68.2 Percentage of available address space allocated: 100.0 Percentage of address space in use by end-sites: 92.1 Total number of prefixes smaller than registry allocations: 171063

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

Prefixes being announced by APNIC Region ASes: 97028 Total APNIC prefixes after maximum aggregation: 31013 APNIC Deaggregation factor: 3.13 Prefixes being announced from the APNIC address blocks: 93507 Unique aggregates announced from the APNIC address blocks: 39177 APNIC Region origin ASes present in the Internet Routing Table: 4662 APNIC Prefixes per ASN: 20.06 APNIC Region origin ASes announcing only one prefix: 1248 APNIC Region transit ASes present in the Internet Routing Table: 740 Average APNIC Region AS path length visible: 4.9 Max APNIC Region AS path length visible: 23 Number of APNIC region 32-bit ASNs visible in the Routing Table: 171 Number of APNIC addresses announced to Internet: 642299136 Equivalent to 38 /8s, 72 /16s and 181 /24s Percentage of available APNIC address space announced: 81.5

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: 152044 Total ARIN prefixes after maximum aggregation: 78021 ARIN Deaggregation factor: 1.95 Prefixes being announced from the ARIN address blocks: 123182 Unique aggregates announced from the ARIN address blocks: 49971 ARIN Region origin ASes present in the Internet Routing Table: 14965 ARIN Prefixes per ASN: 8.23 ARIN Region origin ASes announcing only one prefix: 5691 ARIN Region transit ASes present in the Internet Routing Table: 1579 Average ARIN Region AS path length visible: 4.0 Max ARIN Region AS path length visible: 28 Number of ARIN region 32-bit ASNs visible in the Routing Table: 15 Number of ARIN addresses announced to Internet: 805378560 Equivalent to 48 /8s, 1 /16s and 26 /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: 102780 Total RIPE prefixes after maximum aggregation: 53376 RIPE Deaggregation factor: 1.93 Prefixes being announced from the RIPE address blocks: 93205 Unique aggregates announced from the RIPE address blocks: 57207 RIPE Region origin ASes present in the Internet Routing Table: 16366 RIPE Prefixes per ASN: 5.70 RIPE Region origin ASes announcing only one prefix: 7964 RIPE Region transit ASes present in the Internet Routing Table: 2641 Average RIPE Region AS path length visible: 4.8 Max RIPE Region AS path length visible: 28 Number of RIPE region 32-bit ASNs visible in the Routing Table: 1465 Number of RIPE addresses announced to Internet: 502429068 Equivalent to 29 /8s, 242 /16s and 117 /24s Percentage of available RIPE address space announced: 80.9

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: 40751 Total LACNIC prefixes after maximum aggregation: 8130 LACNIC Deaggregation factor: 5.01 Prefixes being announced from the LACNIC address blocks: 40241 Unique aggregates announced from the LACNIC address blocks: 19680 LACNIC Region origin ASes present in the Internet Routing Table: 1570 LACNIC Prefixes per ASN: 25.63 LACNIC Region origin ASes announcing only one prefix: 438 LACNIC Region transit ASes present in the Internet Routing Table: 297 Average LACNIC Region AS path length visible: 4.7 Max LACNIC Region AS path length visible: 25 Number of LACNIC region 32-bit ASNs visible in the Routing Table: 500 Number of LACNIC addresses announced to Internet: 98736136 Equivalent to 5 /8s, 226 /16s and 152 /24s Percentage of available LACNIC address space announced: 65.4

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: 8315 Total AfriNIC prefixes after maximum aggregation: 2334 AfriNIC Deaggregation factor: 3.56 Prefixes being announced from the AfriNIC address blocks: 6367 Unique aggregates announced from the AfriNIC address blocks: 2458 AfriNIC Region origin ASes present in the Internet Routing Table: 523 AfriNIC Prefixes per ASN: 12.17 AfriNIC Region origin ASes announcing only one prefix: 161 AfriNIC Region transit ASes present in the Internet Routing Table: 115 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: 5 Number of AfriNIC addresses announced to Internet: 30564864 Equivalent to 1 /8s, 210 /16s and 98 /24s Percentage of available AfriNIC address space announced: 45.5

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 1925 11101 676 Korea Telecom (KIX) 17974 1784 502 61 PT TELEKOMUNIKASI INDONESIA 7545 1653 301 89 TPG Internet Pty Ltd 4755 1572 386 159 Videsh Sanchar Nigam Ltd. Aut 9583 1241 95 543 Sify Limited 9829 1209 1025 29 BSNL National Internet Backbo 7552 1177 1062 11 Vietel Corporation 24560 1021 385 167 Bharti Airtel Ltd. 18101 948 130 160 Reliance Infocom Ltd Internet 4808 927 1874 270 CNCGROUP IP network: China169

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 7029 3375 990 155 Windstream Communications Inc 6389 3371 3807 196 bellsouth.net, inc. 18566 2092 383 179 Covad Communications 1785 1884 680 128 AppliedTheory Corporation 20115 1637 1559 626 Charter Communications 4323 1590 1074 376 Time Warner Telecom 22773 1552 2910 111 Cox Communications, Inc. 30036 1414 256 744 Mediacom Communications Corp 7018 1280 13742 831 AT&T WorldNet Services 11492 1184 216 364 Cable One

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 8402 1789 544 16 Corbina telecom 2118 1427 97 13 EUnet/RELCOM Autonomous Syste 286 1063 853 198 KPNQwest Backbone AS 31148 673 37 9 FreeNet ISP 34984 667 188 174 Tellcom Iletisim Hizmetleri 12479 656 658 57 Uni2 Autonomous System 6830 642 1943 413 UPC Distribution Services 20940 633 205 495 Akamai Technologies European 8551 598 360 81 Bezeq International 9116 541 326 32 Goldenlines main autonomous s

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 1808 329 126 TVCABLE BOGOTA 28573 1746 1105 58 Types of queries are: POCs, o 8151 1532 3000 328 Uninet S.A. de C.V. 6503 1355 418 66 AVANTEL, S.A. 7303 1351 826 190 Telecom Argentina Stet-France 26615 902 700 28 Types of queries are: POCs, o 27947 689 74 100 Telconet S.A 11172 637 91 73 Alestra 22047 584 326 15 Types of queries are: POCs, o 3816 567 241 105 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 8452 803 731 220 TEDATA 24863 792 274 35 LINKdotNET AS number 6713 490 649 18 Itissalat Al-MAGHRIB 3741 272 924 229 The Internet Solution 12258 197 28 62 YEBO-AS 33776 179 12 20 Starcomms Nigeria Limited 24835 178 80 8 RAYA Telecom - Egypt 15706 168 32 6 Sudatel Internet Exchange Aut 16637 161 664 84 Johnnic e-Ventures 29571 159 15 16 Ci Telecom Autonomous system

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 7029 3375 990 155 Windstream Communications Inc 6389 3371 3807 196 bellsouth.net, inc. 18566 2092 383 179 Covad Communications 4766 1925 11101 676 Korea Telecom (KIX) 1785 1884 680 128 AppliedTheory Corporation 10620 1808 329 126 TVCABLE BOGOTA 8402 1789 544 16 Corbina telecom 17974 1784 502 61 PT TELEKOMUNIKASI INDONESIA 28573 1746 1105 58 Types of queries are: POCs, o 7545 1653 301 89 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 6389 3371 3175 bellsouth.net, inc. 18566 2092 1913 Covad Communications 8402 1789 1773 Corbina telecom 1785 1884 1756 AppliedTheory Corporation 17974 1784 1723 PT TELEKOMUNIKASI INDONESIA 28573 1746 1688 Types of queries are: POCs, o 10620 1808 1682 TVCABLE BOGOTA 7545 1653 1564 TPG Internet Pty Ltd 22773 1552 1441 Cox Communications, Inc. 2118 1427 1414 EUnet/RELCOM Autonomous Syste

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

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

Bad AS Designation Network Transit AS Description 23456 UNALLOCATED 8.14.101.0/24 6461 AboveNet Communicati 54439 UNALLOCATED 8.25.174.0/24 3356 Level 3 Communicatio 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 12.45.103.0/24 209 Qwest 17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,

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

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

Prefix Origin AS Description 10.29.245.1/32 286 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 10.29.245.27/32 286 KPNQwest Backbone AS

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

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

Network Origin AS Description 14.192.0.0/22 45464 Room 201, TGU Bldg 14.192.4.0/22 45464 Room 201, TGU Bldg 14.192.8.0/22 45464 Room 201, TGU Bldg 14.192.12.0/22 45464 Room 201, TGU Bldg 14.192.16.0/22 45464 Room 201, TGU Bldg 14.192.20.0/22 45464 Room 201, TGU Bldg 14.192.24.0/22 45464 Room 201, TGU Bldg 14.192.28.0/22 45464 Room 201, TGU Bldg 23.28.192.0/18 29737 WideOpenWest LLC 23.29.0.0/20 4323 Time Warner Telecom

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 /8:19 /9:12 /10:28 /11:81 /12:233 /13:457 /14:837 /15:1511 /16:12338 /17:6531 /18:10869 /19:21114 /20:30008 /21:30113 /22:40618 /23:37949 /24:212269 /25:69 /26:76 /27:110 /28:281 /29:103 /30:503 /31:17 /32:462

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

ASN No of nets Total ann. Description 7029 3035 3375 Windstream Communications Inc 6389 2088 3371 bellsouth.net, inc. 18566 2041 2092 Covad Communications 8402 1766 1789 Corbina telecom 10620 1705 1808 TVCABLE BOGOTA 30036 1359 1414 Mediacom Communications Corp 11492 1147 1184 Cable One 6503 1126 1355 AVANTEL, S.A. 1785 1064 1884 AppliedTheory Corporation 7011 1050 1164 Citizens Utilities

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

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

1:536 2:741 4:18 6:3 8:394 12:1984 13:1 14:606 15:12 16:3 17:7 20:8 23:159 24:1765 27:1256 31:966 32:120 33:2 34:2 36:8 37:304 38:787 39:4 40:120 41:2664 42:133 44:3 46:1460 47:3 49:347 50:537 52:12 54:6 55:11 56:3 57:41 58:972 59:495 60:278 61:1215 62:983 63:2012 64:4217 65:2278 66:4532 67:2052 68:1330 69:3298 70:949 71:466 72:1850 73:1 74:2649 75:506 76:331 77:962 78:1003 79:511 80:1218 81:904 82:675 83:547 84:524 85:1207 86:416 87:919 88:346 89:1633 90:297 91:4659 92:521 93:1390 94:1465 95:1164 96:378 97:315 98:838 99:37 100:6 101:168 103:921 106:66 107:179 108:215 109:1275 110:764 111:905 112:445 113:563 114:633 115:809 116:922 117:723 118:924 119:1212 120:360 121:720 122:1666 123:1110 124:1368 125:1264 128:561 129:194 130:262 131:597 132:173 133:21 134:245 135:63 136:213 137:189 138:351 139:157 140:494 141:241 142:387 143:413 144:503 145:69 146:487 147:257 148:791 149:298 150:157 151:176 152:459 153:171 154:7 155:446 156:215 157:381 158:171 159:530 160:342 161:249 162:343 163:187 164:555 165:407 166:562 167:464 168:808 169:149 170:847 171:125 172:4 173:1737 174:616 175:447 176:458 177:593 178:1299 180:1200 181:72 182:765 183:277 184:448 185:1 186:2149 187:1006 188:1161 189:1687 190:5534 192:6028 193:5618 194:4646 195:3639 196:1291 197:124 198:3638 199:4481 200:5812 201:1899 202:8466 203:8631 204:4352 205:2473 206:2762 207:2799 208:4075 209:3639 210:2783 211:1479 212:2027 213:1917 214:871 215:108 216:5086 217:1528 218:544 219:342 220:1238 221:555 222:331 223:329

End of report