Routing Table Report 00:00 GMT Sat 14 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: 394815
Prefixes after maximum aggregation: 170077
Deaggregation factor: 2.32
Unique aggregates announced to Internet: 191014
Total ASes present in the Internet Routing Table: 39834
Prefixes per ASN: 9.91
Origin-only ASes present in the Internet Routing Table: 32684
Origin ASes announcing only one prefix: 15530
Transit ASes present in the Internet Routing Table: 5297
Transit-only ASes present in the Internet Routing Table: 132
Average AS path length visible in the Internet Routing Table: 4.0
Max AS path length visible: 30
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 6649
Unregistered ASNs in the Routing Table: 1077
Number of 32-bit ASNs allocated by the RIRs: 2178
Number of 32-bit ASNs visible in the Routing Table: 1853
Prefixes from 32-bit ASNs in the Routing Table: 4467
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 122
Number of addresses announced to Internet: 2509709542
Equivalent to 149 /8s, 151 /16s and 32 /24s
Percentage of available address space announced: 67.7
Percentage of allocated address space announced: 67.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 91.9
Total number of prefixes smaller than registry allocations: 165935
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94776
Total APNIC prefixes after maximum aggregation: 30383
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 91195
Unique aggregates announced from the APNIC address blocks: 38893
APNIC Region origin ASes present in the Internet Routing Table: 4624
APNIC Prefixes per ASN: 19.72
APNIC Region origin ASes announcing only one prefix: 1268
APNIC Region transit ASes present in the Internet Routing Table: 736
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 132
Number of APNIC addresses announced to Internet: 634160128
Equivalent to 37 /8s, 204 /16s and 132 /24s
Percentage of available APNIC address space announced: 80.4
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: 150206
Total ARIN prefixes after maximum aggregation: 77328
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121965
Unique aggregates announced from the ARIN address blocks: 49117
ARIN Region origin ASes present in the Internet Routing Table: 14858
ARIN Prefixes per ASN: 8.21
ARIN Region origin ASes announcing only one prefix: 5664
ARIN Region transit ASes present in the Internet Routing Table: 1538
Average ARIN Region AS path length visible: 3.5
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: 804839688
Equivalent to 47 /8s, 248 /16s and 225 /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: 98827
Total RIPE prefixes after maximum aggregation: 52134
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 89864
Unique aggregates announced from the RIPE address blocks: 55630
RIPE Region origin ASes present in the Internet Routing Table: 16257
RIPE Prefixes per ASN: 5.53
RIPE Region origin ASes announcing only one prefix: 7989
RIPE Region transit ASes present in the Internet Routing Table: 2551
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1289
Number of RIPE addresses announced to Internet: 497502092
Equivalent to 29 /8s, 167 /16s and 71 /24s
Percentage of available RIPE address space announced: 80.1
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: 37826
Total LACNIC prefixes after maximum aggregation: 8085
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 37332
Unique aggregates announced from the LACNIC address blocks: 19248
LACNIC Region origin ASes present in the Internet Routing Table: 1563
LACNIC Prefixes per ASN: 23.88
LACNIC Region origin ASes announcing only one prefix: 449
LACNIC Region transit ASes present in the Internet Routing Table: 288
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 414
Number of LACNIC addresses announced to Internet: 95403016
Equivalent to 5 /8s, 175 /16s and 188 /24s
Percentage of available LACNIC address space announced: 63.2
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: 8480
Total AfriNIC prefixes after maximum aggregation: 2074
AfriNIC Deaggregation factor: 4.09
Prefixes being announced from the AfriNIC address blocks: 6513
Unique aggregates announced from the AfriNIC address blocks: 2056
AfriNIC Region origin ASes present in the Internet Routing Table: 506
AfriNIC Prefixes per ASN: 12.87
AfriNIC Region origin ASes announcing only one prefix: 160
AfriNIC Region transit ASes present in the Internet Routing Table: 117
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: 30824960
Equivalent to 1 /8s, 214 /16s and 90 /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 1913 11097 660 Korea Telecom (KIX)
17974 1718 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1595 303 84 TPG Internet Pty Ltd
4755 1513 385 154 Videsh Sanchar Nigam Ltd. Aut
7552 1425 1064 7 Vietel Corporation
9829 1163 989 28 BSNL National Internet Backbo
9583 1119 81 492 Sify Limited
24560 1010 384 167 Bharti Airtel Ltd.
17488 945 161 224 Hathway IP Over Cable Interne
18101 944 130 154 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 3458 3807 208 bellsouth.net, inc.
7029 3171 1016 199 Windstream Communications Inc
18566 2093 382 177 Covad Communications
1785 1865 680 123 AppliedTheory Corporation
20115 1617 1552 619 Charter Communications
4323 1599 1046 379 Time Warner Telecom
22773 1517 2909 108 Cox Communications, Inc.
30036 1489 264 696 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1308 7042 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 1621 480 15 Corbina telecom
15557 1096 2161 64 LDCOM NETWORKS
286 1095 806 198 KPNQwest Backbone AS
2118 927 99 14 EUnet/RELCOM Autonomous Syste
31148 661 35 9 FreeNet ISP
6830 645 1928 413 UPC Distribution Services
34984 639 188 174 Tellcom Iletisim Hizmetleri
20940 567 183 454 Akamai Technologies European
8551 564 360 81 Bezeq International
12479 551 636 53 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 1738 321 159 TVCABLE BOGOTA
28573 1571 1066 77 Types of queries are: POCs, o
8151 1502 2978 339 Uninet S.A. de C.V.
7303 1256 756 179 Telecom Argentina Stet-France
27947 636 73 95 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
6503 551 434 70 AVANTEL, S.A.
7738 551 1050 31 Telecomunicacoes da Bahia S.A
3816 550 238 92 COLOMBIA TELECOMUNICACIONES S
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 1029 958 13 TEDATA
24863 792 146 33 LINKdotNET AS number
3741 280 939 229 The Internet Solution
6713 250 649 18 Itissalat Al-MAGHRIB
33776 240 13 8 Starcomms Nigeria Limited
15706 239 32 6 Sudatel Internet Exchange Aut
29571 218 17 12 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 3458 3807 208 bellsouth.net, inc.
7029 3171 1016 199 Windstream Communications Inc
18566 2093 382 177 Covad Communications
4766 1913 11097 660 Korea Telecom (KIX)
1785 1865 680 123 AppliedTheory Corporation
10620 1738 321 159 TVCABLE BOGOTA
17974 1718 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1621 480 15 Corbina telecom
20115 1617 1552 619 Charter Communications
4323 1599 1046 379 Time Warner Telecom
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 3171 2972 Windstream Communications Inc
18566 2093 1916 Covad Communications
1785 1865 1742 AppliedTheory Corporation
17974 1718 1682 PT TELEKOMUNIKASI INDONESIA
8402 1621 1606 Corbina telecom
10620 1738 1579 TVCABLE BOGOTA
7545 1595 1511 TPG Internet Pty Ltd
28573 1571 1494 Types of queries are: POCs, o
7552 1425 1418 Vietel Corporation
22773 1517 1409 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
37.46.80.0/21 23456 >>UNKNOWN<<
41.222.79.0/24 37345 MEDALLION Communications
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 /12:234
/13:463 /14:822 /15:1489 /16:12259 /17:6408 /18:10569
/19:20748 /20:29170 /21:28902 /22:39287 /23:36926 /24:205654
/25:67 /26:82 /27:108 /28:298 /29:115 /30:532
/31:52 /32:490
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3171 Windstream Communications Inc
6389 2118 3458 bellsouth.net, inc.
18566 2042 2093 Covad Communications
10620 1633 1738 TVCABLE BOGOTA
8402 1600 1621 Corbina telecom
30036 1448 1489 Mediacom Communications Corp
11492 1115 1152 Cable One
1785 1066 1865 AppliedTheory Corporation
15557 1046 1096 LDCOM NETWORKS
7011 1042 1159 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:498 2:464 4:19 5:1 6:3 8:370
12:1952 13:1 14:589 15:11 16:3 17:6
20:9 23:98 24:1714 27:1172 31:864 32:124
33:2 34:2 36:8 37:87 38:798 39:1
40:114 41:2900 42:86 43:1 44:3 46:1221
47:3 49:320 50:509 52:13 55:7 56:2
57:51 58:951 59:491 60:345 61:1193 62:965
63:1983 64:4139 65:2312 66:4400 67:2035 68:1341
69:3261 70:965 71:421 72:1835 73:1 74:2704
75:454 76:332 77:949 78:898 79:518 80:1192
81:867 82:566 83:533 84:593 85:1161 86:756
87:918 88:354 89:1617 90:267 91:4425 92:535
93:1534 94:1358 95:1062 96:397 97:296 98:801
99:38 100:18 101:250 103:649 106:10 107:133
108:131 109:1429 110:705 111:841 112:429 113:539
114:625 115:768 116:900 117:740 118:925 119:1264
120:358 121:699 122:1625 123:1055 124:1368 125:1354
128:529 129:195 130:203 131:589 132:162 133:21
134:228 135:58 136:213 137:151 138:288 139:149
140:490 141:261 142:381 143:395 144:504 145:68
146:485 147:234 148:689 149:279 150:166 151:192
152:447 153:170 154:7 155:408 156:210 157:368
158:155 159:511 160:320 161:222 162:337 163:188
164:529 165:412 166:561 167:456 168:854 169:148
170:830 171:103 172:4 173:1794 174:595 175:440
176:343 177:455 178:1181 180:1235 181:40 182:702
183:264 184:431 185:1 186:1492 187:832 188:1035
189:1163 190:5344 192:6018 193:5485 194:3987 195:3378
196:1293 197:168 198:3641 199:4310 200:5621 201:1706
202:8508 203:8611 204:4361 205:2428 206:2763 207:2812
208:4044 209:3578 210:2773 211:1489 212:2021 213:1833
214:838 215:94 216:4980 217:1485 218:564 219:338
220:1253 221:557 222:326 223:270
End of report
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