Routing Table Report 00:00 GMT Thu 29 Dec, 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: 391579
Prefixes after maximum aggregation: 169574
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 184238
Total ASes present in the Internet Routing Table: 39711
Prefixes per ASN: 9.86
Origin-only ASes present in the Internet Routing Table: 32599
Origin ASes announcing only one prefix: 15543
Transit ASes present in the Internet Routing Table: 5319
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN (56677) 25
Prefixes from unregistered ASNs in the Routing Table: 6361
Unregistered ASNs in the Routing Table: 1045
Number of 32-bit ASNs allocated by the RIRs: 2137
Number of 32-bit ASNs visible in the Routing Table: 1793
Prefixes from 32-bit ASNs in the Routing Table: 4276
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 110
Number of addresses announced to Internet: 2334855398
Equivalent to 139 /8s, 43 /16s and 16 /24s
Percentage of available address space announced: 63.0
Percentage of allocated address space announced: 63.0
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.8
Total number of prefixes smaller than registry allocations: 164581
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94060
Total APNIC prefixes after maximum aggregation: 30334
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 90488
Unique aggregates announced from the APNIC address blocks: 37240
APNIC Region origin ASes present in the Internet Routing Table: 4603
APNIC Prefixes per ASN: 19.66
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 742
Average APNIC Region AS path length visible: 4.4
Max APNIC Region AS path length visible: 19
Number of APNIC region 32-bit ASNs visible in the Routing Table: 123
Number of APNIC addresses announced to Internet: 616331008
Equivalent to 36 /8s, 188 /16s and 119 /24s
Percentage of available APNIC address space announced: 78.2
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: 149483
Total ARIN prefixes after maximum aggregation: 77105
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121369
Unique aggregates announced from the ARIN address blocks: 45885
ARIN Region origin ASes present in the Internet Routing Table: 14844
ARIN Prefixes per ASN: 8.18
ARIN Region origin ASes announcing only one prefix: 5674
ARIN Region transit ASes present in the Internet Routing Table: 1528
Average ARIN Region AS path length visible: 3.6
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 666698504
Equivalent to 39 /8s, 189 /16s and 3 /24s
Percentage of available ARIN address space announced: 53.0
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: 97339
Total RIPE prefixes after maximum aggregation: 51924
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 88496
Unique aggregates announced from the RIPE address blocks: 54007
RIPE Region origin ASes present in the Internet Routing Table: 16234
RIPE Prefixes per ASN: 5.45
RIPE Region origin ASes announcing only one prefix: 7990
RIPE Region transit ASes present in the Internet Routing Table: 2576
Average RIPE Region AS path length visible: 4.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1255
Number of RIPE addresses announced to Internet: 479323788
Equivalent to 28 /8s, 145 /16s and 230 /24s
Percentage of available RIPE address space announced: 77.2
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: 37565
Total LACNIC prefixes after maximum aggregation: 8058
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 36987
Unique aggregates announced from the LACNIC address blocks: 19003
LACNIC Region origin ASes present in the Internet Routing Table: 1559
LACNIC Prefixes per ASN: 23.72
LACNIC Region origin ASes announcing only one prefix: 454
LACNIC Region transit ASes present in the Internet Routing Table: 285
Average LACNIC Region AS path length visible: 4.0
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 397
Number of LACNIC addresses announced to Internet: 95064072
Equivalent to 5 /8s, 170 /16s and 144 /24s
Percentage of available LACNIC address space announced: 63.0
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: 8613
Total AfriNIC prefixes after maximum aggregation: 2083
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6654
Unique aggregates announced from the AfriNIC address blocks: 2095
AfriNIC Region origin ASes present in the Internet Routing Table: 500
AfriNIC Prefixes per ASN: 13.31
AfriNIC Region origin ASes announcing only one prefix: 156
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: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 4
Number of AfriNIC addresses announced to Internet: 30846464
Equivalent to 1 /8s, 214 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 46.0
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 1927 11097 661 Korea Telecom (KIX)
17974 1720 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4755 1516 385 157 Videsh Sanchar Nigam Ltd. Aut
7552 1422 1064 7 Vietel Corporation
9829 1168 989 28 BSNL National Internet Backbo
9583 1166 88 519 Sify Limited
4808 1070 2050 304 CNCGROUP IP network: China169
24560 1004 383 163 Bharti Airtel Ltd.
18101 976 131 157 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 3472 3814 221 bellsouth.net, inc.
7029 2959 1046 214 Windstream Communications Inc
18566 2095 383 177 Covad Communications
1785 1861 680 122 AppliedTheory Corporation
4323 1617 1081 385 Time Warner Telecom
20115 1611 1549 622 Charter Communications
22773 1515 2909 107 Cox Communications, Inc.
30036 1469 261 688 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1310 7034 841 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
8402 1554 480 15 Corbina telecom
286 1097 806 197 KPNQwest Backbone AS
15557 1092 2161 64 LDCOM NETWORKS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 648 1927 412 UPC Distribution Services
34984 632 132 198 Tellcom Iletisim Hizmetleri
20940 558 179 446 Akamai Technologies European
12479 552 636 53 Uni2 Autonomous System
8551 551 367 39 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 1721 319 159 TVCABLE BOGOTA
28573 1559 1064 75 Types of queries are: POCs, o
8151 1494 2961 348 Uninet S.A. de C.V.
7303 1252 754 175 Telecom Argentina Stet-France
27947 628 73 92 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
3816 551 237 92 COLOMBIA TELECOMUNICACIONES S
7738 551 1050 31 Telecomunicacoes da Bahia S.A
6503 548 434 68 AVANTEL, S.A.
10481 547 429 25 Prima S.A.
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 1040 958 13 TEDATA
24863 789 146 34 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 249 647 17 Itissalat Al-MAGHRIB
15706 242 32 6 Sudatel Internet Exchange Aut
33776 240 13 8 Starcomms Nigeria Limited
29571 217 17 13 Ci Telecom Autonomous system
12258 196 28 61 YEBO-AS
24835 189 80 8 RAYA Telecom - Egypt
16637 157 664 85 Johnnic e-Ventures
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 3472 3814 221 bellsouth.net, inc.
7029 2959 1046 214 Windstream Communications Inc
18566 2095 383 177 Covad Communications
4766 1927 11097 661 Korea Telecom (KIX)
1785 1861 680 122 AppliedTheory Corporation
10620 1721 319 159 TVCABLE BOGOTA
17974 1720 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4323 1617 1081 385 Time Warner Telecom
20115 1611 1549 622 Charter Communications
Complete listing at http://thyme.rand.apnic.net/rviews/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
7029 2959 2745 Windstream Communications Inc
18566 2095 1918 Covad Communications
1785 1861 1739 AppliedTheory Corporation
17974 1720 1682 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
7545 1626 1540 TPG Internet Pty Ltd
8402 1554 1539 Corbina telecom
28573 1559 1484 Types of queries are: POCs, o
7552 1422 1415 Vietel Corporation
22773 1515 1408 Cox Communications, Inc.
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
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
37.26.0.0/18 39232 Uninet Internet Service Provi
41.222.79.0/24 36938 >>UNKNOWN<<
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 /12:237
/13:465 /14:820 /15:1479 /16:12224 /17:6374 /18:10476
/19:20692 /20:29159 /21:28647 /22:38902 /23:36419 /24:203790
/25:69 /26:85 /27:109 /28:292 /29:113 /30:546
/31:51 /32:490
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2567 2959 Windstream Communications Inc
6389 2116 3472 bellsouth.net, inc.
18566 2044 2095 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1533 1554 Corbina telecom
30036 1429 1469 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1063 1861 AppliedTheory Corporation
7011 1051 1168 Citizens Utilities
15557 1042 1092 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:466 2:430 4:19 5:1 6:3 8:368
12:1949 13:1 14:580 15:11 16:3 17:7
20:9 23:81 24:1717 27:1125 31:821 32:122
33:2 34:2 36:4 37:9 38:778 39:1
40:114 41:3033 42:80 43:1 44:3 46:1152
47:3 49:283 50:473 52:13 55:5 56:2
57:52 58:929 59:487 60:345 61:1183 62:953
63:1985 64:4152 65:2304 66:4401 67:2017 68:1351
69:3245 70:971 71:410 72:1817 73:1 74:2700
75:444 76:332 77:945 78:881 79:500 80:1185
81:849 82:545 83:536 84:579 85:1169 86:754
87:907 88:363 89:1620 90:260 91:4396 92:535
93:1523 94:1347 95:1051 96:401 97:288 98:777
99:38 100:1 101:250 103:590 106:11 107:119
108:103 109:1431 110:702 111:830 112:432 113:526
114:602 115:711 116:895 117:731 118:907 119:1264
120:360 121:696 122:1613 123:1034 124:1360 125:1342
128:523 129:192 130:188 131:589 132:163 133:21
134:227 135:54 136:206 137:151 138:285 139:137
140:492 141:256 142:383 143:394 144:501 145:67
146:476 147:232 148:683 149:269 150:165 151:192
152:445 153:169 154:7 155:396 156:210 157:367
158:154 159:504 160:355 161:221 162:333 163:187
164:521 165:411 166:546 167:455 168:817 169:147
170:830 171:96 172:4 173:1830 174:595 175:439
176:322 177:429 178:1151 180:1234 181:39 182:684
183:264 184:415 185:1 186:1445 187:794 188:1008
189:1174 190:5346 192:6005 193:5460 194:3823 195:3238
196:1301 197:175 198:3634 199:4247 200:5583 201:1690
202:8593 203:8520 204:4353 205:2425 206:2713 207:2824
208:4011 209:3590 210:2768 211:1486 212:2007 213:1821
214:804 215:93 216:4950 217:1484 218:570 219:337
220:1266 221:529 222:325 223:265
End of report
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