Routing Table Report 00:00 GMT Wed 28 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: 391077
Prefixes after maximum aggregation: 169467
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 184108
Total ASes present in the Internet Routing Table: 39692
Prefixes per ASN: 9.85
Origin-only ASes present in the Internet Routing Table: 32588
Origin ASes announcing only one prefix: 15540
Transit ASes present in the Internet Routing Table: 5316
Transit-only ASes present in the Internet Routing Table: 139
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: 6317
Unregistered ASNs in the Routing Table: 1044
Number of 32-bit ASNs allocated by the RIRs: 2135
Number of 32-bit ASNs visible in the Routing Table: 1788
Prefixes from 32-bit ASNs in the Routing Table: 4240
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 108
Number of addresses announced to Internet: 2333755110
Equivalent to 139 /8s, 26 /16s and 70 /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: 164337
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 93901
Total APNIC prefixes after maximum aggregation: 30276
APNIC Deaggregation factor: 3.10
Prefixes being announced from the APNIC address blocks: 90328
Unique aggregates announced from the APNIC address blocks: 37153
APNIC Region origin ASes present in the Internet Routing Table: 4601
APNIC Prefixes per ASN: 19.63
APNIC Region origin ASes announcing only one prefix: 1269
APNIC Region transit ASes present in the Internet Routing Table: 739
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: 615908096
Equivalent to 36 /8s, 182 /16s and 3 /24s
Percentage of available APNIC address space announced: 78.1
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: 149438
Total ARIN prefixes after maximum aggregation: 77101
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121356
Unique aggregates announced from the ARIN address blocks: 45978
ARIN Region origin ASes present in the Internet Routing Table: 14836
ARIN Prefixes per ASN: 8.18
ARIN Region origin ASes announcing only one prefix: 5671
ARIN Region transit ASes present in the Internet Routing Table: 1522
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: 666658568
Equivalent to 39 /8s, 188 /16s and 103 /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: 97177
Total RIPE prefixes after maximum aggregation: 51881
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 88357
Unique aggregates announced from the RIPE address blocks: 53950
RIPE Region origin ASes present in the Internet Routing Table: 16229
RIPE Prefixes per ASN: 5.44
RIPE Region origin ASes announcing only one prefix: 7988
RIPE Region transit ASes present in the Internet Routing Table: 2581
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: 1250
Number of RIPE addresses announced to Internet: 478993548
Equivalent to 28 /8s, 140 /16s and 220 /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: 37488
Total LACNIC prefixes after maximum aggregation: 8050
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 36900
Unique aggregates announced from the LACNIC address blocks: 18953
LACNIC Region origin ASes present in the Internet Routing Table: 1558
LACNIC Prefixes per ASN: 23.68
LACNIC Region origin ASes announcing only one prefix: 455
LACNIC Region transit ASes present in the Internet Routing Table: 288
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: 95043336
Equivalent to 5 /8s, 170 /16s and 63 /24s
Percentage of available LACNIC address space announced: 62.9
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: 8589
Total AfriNIC prefixes after maximum aggregation: 2088
AfriNIC Deaggregation factor: 4.11
Prefixes being announced from the AfriNIC address blocks: 6645
Unique aggregates announced from the AfriNIC address blocks: 2095
AfriNIC Region origin ASes present in the Internet Routing Table: 500
AfriNIC Prefixes per ASN: 13.29
AfriNIC Region origin ASes announcing only one prefix: 157
AfriNIC Region transit ASes present in the Internet Routing Table: 114
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: 30784512
Equivalent to 1 /8s, 213 /16s and 188 /24s
Percentage of available AfriNIC address space announced: 45.9
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 1930 11097 662 Korea Telecom (KIX)
17974 1719 503 38 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4755 1514 385 155 Videsh Sanchar Nigam Ltd. Aut
7552 1422 1064 7 Vietel Corporation
9829 1168 989 28 BSNL National Internet Backbo
9583 1110 81 494 Sify Limited
4808 1070 2050 304 CNCGROUP IP network: China169
24560 1004 383 163 Bharti Airtel Ltd.
18101 975 131 157 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 3470 3814 220 bellsouth.net, inc.
7029 2959 1046 214 Windstream Communications Inc
18566 2094 383 177 Covad Communications
1785 1860 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 1468 260 687 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1305 7013 859 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 1537 480 15 Corbina telecom
286 1096 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 631 132 198 Tellcom Iletisim Hizmetleri
20940 558 179 446 Akamai Technologies European
8551 553 367 39 Bezeq International
12479 551 636 53 Uni2 Autonomous System
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 1556 1064 75 Types of queries are: POCs, o
8151 1494 2962 348 Uninet S.A. de C.V.
7303 1252 754 175 Telecom Argentina Stet-France
27947 632 73 94 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 548 237 91 COLOMBIA TELECOMUNICACIONES S
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 1038 958 13 TEDATA
24863 788 146 34 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 248 647 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 188 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 3470 3814 220 bellsouth.net, inc.
7029 2959 1046 214 Windstream Communications Inc
18566 2094 383 177 Covad Communications
4766 1930 11097 662 Korea Telecom (KIX)
1785 1860 680 122 AppliedTheory Corporation
10620 1721 319 159 TVCABLE BOGOTA
17974 1719 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 2094 1917 Covad Communications
1785 1860 1738 AppliedTheory Corporation
17974 1719 1681 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
7545 1626 1540 TPG Internet Pty Ltd
8402 1537 1522 Corbina telecom
28573 1556 1481 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
41.222.79.0/24 36938 >>UNKNOWN<<
41.223.92.0/22 36936 >>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 /14:819 /15:1479 /16:12214 /17:6370 /18:10468
/19:20677 /20:29141 /21:28622 /22:38810 /23:36362 /24:203519
/25:69 /26:84 /27:110 /28:292 /29:113 /30:548
/31:51 /32:487
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2567 2959 Windstream Communications Inc
6389 2114 3470 bellsouth.net, inc.
18566 2043 2094 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1516 1537 Corbina telecom
30036 1428 1468 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1063 1860 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)
----------------------------------------------
1:464 2:444 4:19 5:1 6:3 8:368
12:1948 13:1 14:575 15:11 16:3 17:7
20:9 23:80 24:1720 27:1124 31:820 32:122
33:2 34:2 36:4 37:9 38:778 39:1
40:114 41:3026 42:80 43:1 44:3 46:1149
47:3 49:282 50:473 52:13 55:6 56:2
57:52 58:931 59:484 60:339 61:1179 62:954
63:1985 64:4157 65:2306 66:4399 67:2018 68:1352
69:3246 70:971 71:410 72:1818 73:1 74:2698
75:444 76:332 77:921 78:885 79:501 80:1188
81:846 82:544 83:536 84:579 85:1162 86:754
87:909 88:363 89:1605 90:260 91:4395 92:532
93:1506 94:1346 95:1043 96:401 97:288 98:771
99:38 100:2 101:254 103:586 106:11 107:119
108:103 109:1433 110:700 111:826 112:433 113:511
114:602 115:708 116:896 117:725 118:883 119:1269
120:358 121:691 122:1615 123:1037 124:1361 125:1321
128:514 129:192 130:188 131:589 132:163 133:21
134:227 135:54 136:206 137:151 138:285 139:137
140:490 141:256 142:383 143:393 144:499 145:67
146:476 147:232 148:685 149:269 150:165 151:192
152:445 153:169 154:7 155:392 156:210 157:367
158:153 159:504 160:357 161:221 162:333 163:187
164:522 165:411 166:546 167:455 168:817 169:147
170:829 171:96 172:4 173:1827 174:594 175:437
176:317 177:426 178:1148 180:1233 181:39 182:681
183:261 184:414 185:1 186:1419 187:780 188:1006
189:1171 190:5330 192:6005 193:5457 194:3823 195:3241
196:1298 197:174 198:3634 199:4248 200:5580 201:1690
202:8594 203:8518 204:4353 205:2422 206:2709 207:2825
208:4026 209:3583 210:2765 211:1486 212:2005 213:1816
214:800 215:92 216:4950 217:1485 218:571 219:336
220:1262 221:530 222:325 223:266
End of report
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