Routing Table Report 00:00 GMT Tue 24 Jan, 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: 397439
Prefixes after maximum aggregation: 170452
Deaggregation factor: 2.33
Unique aggregates announced to Internet: 191423
Total ASes present in the Internet Routing Table: 39921
Prefixes per ASN: 9.96
Origin-only ASes present in the Internet Routing Table: 32702
Origin ASes announcing only one prefix: 15534
Transit ASes present in the Internet Routing Table: 5338
Transit-only ASes present in the Internet Routing Table: 136
Average AS path length visible in the Internet Routing Table: 4.2
Max AS path length visible: 29
Max AS path prepend of ASN (56677) 25
Prefixes from unregistered ASNs in the Routing Table: 6758
Unregistered ASNs in the Routing Table: 1111
Number of 32-bit ASNs allocated by the RIRs: 2211
Number of 32-bit ASNs visible in the Routing Table: 1881
Prefixes from 32-bit ASNs in the Routing Table: 4554
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2512082150
Equivalent to 149 /8s, 187 /16s and 84 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.0
Total number of prefixes smaller than registry allocations: 166708
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 95847
Total APNIC prefixes after maximum aggregation: 30521
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 92209
Unique aggregates announced from the APNIC address blocks: 39044
APNIC Region origin ASes present in the Internet Routing Table: 4616
APNIC Prefixes per ASN: 19.98
APNIC Region origin ASes announcing only one prefix: 1257
APNIC Region transit ASes present in the Internet Routing Table: 728
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: 133
Number of APNIC addresses announced to Internet: 635214592
Equivalent to 37 /8s, 220 /16s and 155 /24s
Percentage of available APNIC address space announced: 80.6
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: 150525
Total ARIN prefixes after maximum aggregation: 77392
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 122238
Unique aggregates announced from the ARIN address blocks: 49141
ARIN Region origin ASes present in the Internet Routing Table: 14877
ARIN Prefixes per ASN: 8.22
ARIN Region origin ASes announcing only one prefix: 5670
ARIN Region transit ASes present in the Internet Routing Table: 1533
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 14
Number of ARIN addresses announced to Internet: 805049864
Equivalent to 47 /8s, 252 /16s and 22 /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: 99551
Total RIPE prefixes after maximum aggregation: 52291
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 90535
Unique aggregates announced from the RIPE address blocks: 55755
RIPE Region origin ASes present in the Internet Routing Table: 16295
RIPE Prefixes per ASN: 5.56
RIPE Region origin ASes announcing only one prefix: 8002
RIPE Region transit ASes present in the Internet Routing Table: 2586
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1308
Number of RIPE addresses announced to Internet: 498124428
Equivalent to 29 /8s, 176 /16s and 198 /24s
Percentage of available RIPE address space announced: 80.2
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: 37870
Total LACNIC prefixes after maximum aggregation: 8073
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 37402
Unique aggregates announced from the LACNIC address blocks: 19325
LACNIC Region origin ASes present in the Internet Routing Table: 1562
LACNIC Prefixes per ASN: 23.94
LACNIC Region origin ASes announcing only one prefix: 441
LACNIC Region transit ASes present in the Internet Routing Table: 288
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 422
Number of LACNIC addresses announced to Internet: 95577608
Equivalent to 5 /8s, 178 /16s and 102 /24s
Percentage of available LACNIC address space announced: 63.3
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: 8900
Total AfriNIC prefixes after maximum aggregation: 2102
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 6915
Unique aggregates announced from the AfriNIC address blocks: 2092
AfriNIC Region origin ASes present in the Internet Routing Table: 512
AfriNIC Prefixes per ASN: 13.51
AfriNIC Region origin ASes announcing only one prefix: 164
AfriNIC Region transit ASes present in the Internet Routing Table: 122
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: 30871040
Equivalent to 1 /8s, 215 /16s and 14 /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 1911 11097 664 Korea Telecom (KIX)
17974 1717 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1640 303 87 TPG Internet Pty Ltd
4755 1524 385 154 Videsh Sanchar Nigam Ltd. Aut
7552 1424 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1118 81 484 Sify Limited
4808 1049 1992 290 CNCGROUP IP network: China169
24560 1011 384 167 Bharti Airtel Ltd.
17488 949 161 223 Hathway IP Over Cable Interne
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 3446 3807 202 bellsouth.net, inc.
7029 3225 1016 197 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1866 679 122 AppliedTheory Corporation
20115 1629 1556 625 Charter Communications
4323 1607 1078 384 Time Warner Telecom
22773 1488 2909 108 Cox Communications, Inc.
30036 1457 257 731 Mediacom Communications Corp
19262 1385 4683 400 Verizon Global Networks
7018 1309 7026 858 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 1725 480 15 Corbina telecom
2118 1241 99 14 EUnet/RELCOM Autonomous Syste
286 1110 806 202 KPNQwest Backbone AS
15557 1095 2161 64 LDCOM NETWORKS
6830 644 1927 412 UPC Distribution Services
34984 639 188 172 Tellcom Iletisim Hizmetleri
20940 581 189 464 Akamai Technologies European
8551 578 360 81 Bezeq International
12479 557 639 55 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 1723 321 167 TVCABLE BOGOTA
28573 1601 1068 77 Types of queries are: POCs, o
8151 1504 2981 339 Uninet S.A. de C.V.
7303 1253 756 178 Telecom Argentina Stet-France
27947 644 73 95 Telconet S.A
22047 581 322 17 Types of queries are: POCs, o
7738 550 1050 31 Telecomunicacoes da Bahia S.A
6503 548 434 70 AVANTEL, S.A.
10481 547 429 25 Prima S.A.
11172 532 101 107 Alestra
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 1054 958 13 TEDATA
24863 797 146 36 LINKdotNET AS number
6713 488 649 18 Itissalat Al-MAGHRIB
15706 294 32 6 Sudatel Internet Exchange Aut
3741 280 939 229 The Internet Solution
33776 230 12 17 Starcomms Nigeria Limited
29571 214 17 12 Ci Telecom Autonomous system
12258 197 28 62 YEBO-AS
24835 189 80 8 RAYA Telecom - Egypt
36923 157 20 4 Swift Networks Limited
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 3446 3807 202 bellsouth.net, inc.
7029 3225 1016 197 Windstream Communications Inc
18566 2093 382 177 Covad Communications
4766 1911 11097 664 Korea Telecom (KIX)
1785 1866 679 122 AppliedTheory Corporation
8402 1725 480 15 Corbina telecom
10620 1723 321 167 TVCABLE BOGOTA
17974 1717 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1640 303 87 TPG Internet Pty Ltd
20115 1629 1556 625 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 3225 3028 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1866 1744 AppliedTheory Corporation
8402 1725 1710 Corbina telecom
17974 1717 1681 PT TELEKOMUNIKASI INDONESIA
10620 1723 1556 TVCABLE BOGOTA
7545 1640 1553 TPG Internet Pty Ltd
28573 1601 1524 Types of queries are: POCs, o
7552 1424 1417 Vietel Corporation
22773 1488 1380 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
37.63.0.0/17 8717 Spectrum NET
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 /11:80 /12:232
/13:459 /14:822 /15:1492 /16:12291 /17:6417 /18:10632
/19:20852 /20:29311 /21:29492 /22:39653 /23:37248 /24:206638
/25:67 /26:83 /27:110 /28:295 /29:115 /30:548
/31:52 /32:491
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2847 3225 Windstream Communications Inc
6389 2116 3446 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1704 1725 Corbina telecom
10620 1618 1723 TVCABLE BOGOTA
30036 1416 1457 Mediacom Communications Corp
11492 1116 1153 Cable One
1785 1067 1866 AppliedTheory Corporation
15557 1046 1095 LDCOM NETWORKS
7011 1033 1150 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:506 2:471 4:19 5:1 6:3 8:380
12:1962 13:1 14:590 15:11 16:3 17:6
20:9 23:120 24:1720 27:1179 31:878 32:124
33:2 34:2 36:8 37:103 38:800 39:1
40:114 41:3056 42:87 43:1 44:3 46:1257
47:3 49:322 50:520 52:13 54:1 55:5
56:3 57:51 58:955 59:493 60:346 61:1187
62:931 63:1995 64:4135 65:2290 66:4435 67:2053
68:1341 69:3257 70:965 71:431 72:1825 73:1
74:2712 75:458 76:333 77:968 78:918 79:528
80:1198 81:878 82:574 83:536 84:588 85:1153
86:751 87:918 88:357 89:1560 90:257 91:4469
92:534 93:1556 94:1330 95:1133 96:417 97:298
98:797 99:38 100:18 101:254 103:668 106:10
107:135 108:132 109:1461 110:705 111:841 112:419
113:526 114:619 115:768 116:897 117:742 118:920
119:1289 120:355 121:701 122:1625 123:1033 124:1369
125:1356 128:537 129:193 130:213 131:592 132:162
133:21 134:233 135:58 136:213 137:153 138:289
139:157 140:491 141:260 142:381 143:404 144:512
145:68 146:487 147:235 148:697 149:272 150:165
151:193 152:446 153:170 154:7 155:414 156:210
157:369 158:154 159:507 160:326 161:237 162:340
163:188 164:530 165:413 166:561 167:456 168:850
169:148 170:836 171:107 172:4 173:1790 174:585
175:437 176:374 177:466 178:1213 180:1249 181:43
182:711 183:273 184:398 185:1 186:1509 187:841
188:973 189:1174 190:5370 192:6011 193:5496 194:4240
195:3436 196:1301 197:172 198:3631 199:4346 200:5618
201:1693 202:8490 203:8600 204:4354 205:2440 206:2772
207:2813 208:4045 209:3583 210:2773 211:1484 212:2022
213:1837 214:841 215:95 216:5008 217:1480 218:561
219:342 220:1257 221:558 222:326 223:270
End of report
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