Routing Table Report 00:00 GMT Fri 30 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: 391882
Prefixes after maximum aggregation: 169673
Deaggregation factor: 2.31
Unique aggregates announced to Internet: 184337
Total ASes present in the Internet Routing Table: 39715
Prefixes per ASN: 9.87
Origin-only ASes present in the Internet Routing Table: 32581
Origin ASes announcing only one prefix: 15528
Transit ASes present in the Internet Routing Table: 5330
Transit-only ASes present in the Internet Routing Table: 142
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: 6387
Unregistered ASNs in the Routing Table: 1045
Number of 32-bit ASNs allocated by the RIRs: 2139
Number of 32-bit ASNs visible in the Routing Table: 1804
Prefixes from 32-bit ASNs in the Routing Table: 4315
Special use prefixes present in the Routing Table: 91
Prefixes being announced from unallocated address space: 120
Number of addresses announced to Internet: 2335115767
Equivalent to 139 /8s, 47 /16s and 9 /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: 164567
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 94291
Total APNIC prefixes after maximum aggregation: 30306
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 90705
Unique aggregates announced from the APNIC address blocks: 37213
APNIC Region origin ASes present in the Internet Routing Table: 4599
APNIC Prefixes per ASN: 19.72
APNIC Region origin ASes announcing only one prefix: 1263
APNIC Region transit ASes present in the Internet Routing Table: 742
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 124
Number of APNIC addresses announced to Internet: 616578304
Equivalent to 36 /8s, 192 /16s and 61 /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: 149559
Total ARIN prefixes after maximum aggregation: 77213
ARIN Deaggregation factor: 1.94
Prefixes being announced from the ARIN address blocks: 121447
Unique aggregates announced from the ARIN address blocks: 46025
ARIN Region origin ASes present in the Internet Routing Table: 14841
ARIN Prefixes per ASN: 8.18
ARIN Region origin ASes announcing only one prefix: 5670
ARIN Region transit ASes present in the Internet Routing Table: 1535
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: 666699784
Equivalent to 39 /8s, 189 /16s and 8 /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: 97266
Total RIPE prefixes after maximum aggregation: 51942
RIPE Deaggregation factor: 1.87
Prefixes being announced from the RIPE address blocks: 88457
Unique aggregates announced from the RIPE address blocks: 53950
RIPE Region origin ASes present in the Internet Routing Table: 16227
RIPE Prefixes per ASN: 5.45
RIPE Region origin ASes announcing only one prefix: 7983
RIPE Region transit ASes present in the Internet Routing Table: 2582
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: 1260
Number of RIPE addresses announced to Internet: 479281804
Equivalent to 28 /8s, 145 /16s and 66 /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: 37594
Total LACNIC prefixes after maximum aggregation: 8054
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 37045
Unique aggregates announced from the LACNIC address blocks: 19038
LACNIC Region origin ASes present in the Internet Routing Table: 1557
LACNIC Prefixes per ASN: 23.79
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 286
Average LACNIC Region AS path length visible: 4.1
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 402
Number of LACNIC addresses announced to Internet: 95095560
Equivalent to 5 /8s, 171 /16s and 11 /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: 8622
Total AfriNIC prefixes after maximum aggregation: 2086
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6658
Unique aggregates announced from the AfriNIC address blocks: 2096
AfriNIC Region origin ASes present in the Internet Routing Table: 504
AfriNIC Prefixes per ASN: 13.21
AfriNIC Region origin ASes announcing only one prefix: 160
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: 30863872
Equivalent to 1 /8s, 214 /16s and 242 /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 1928 11097 661 Korea Telecom (KIX)
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4755 1513 385 155 Videsh Sanchar Nigam Ltd. Aut
7552 1412 1064 7 Vietel Corporation
9583 1168 88 521 Sify Limited
9829 1168 989 28 BSNL National Internet Backbo
4808 1046 2036 300 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 3470 3814 221 bellsouth.net, inc.
7029 2891 1046 214 Windstream Communications Inc
18566 2096 383 177 Covad Communications
1785 1861 680 122 AppliedTheory Corporation
4323 1617 1081 385 Time Warner Telecom
20115 1613 1550 622 Charter Communications
22773 1516 2909 107 Cox Communications, Inc.
30036 1470 261 689 Mediacom Communications Corp
19262 1388 4683 401 Verizon Global Networks
7018 1303 7013 856 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 1469 480 15 Corbina telecom
15557 1092 2161 64 LDCOM NETWORKS
286 1089 804 193 KPNQwest Backbone AS
2118 672 99 14 EUnet/RELCOM Autonomous Syste
6830 640 1927 410 UPC Distribution Services
34984 634 132 198 Tellcom Iletisim Hizmetleri
20940 559 179 447 Akamai Technologies European
8551 554 364 61 Bezeq International
12479 552 636 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 1561 1064 75 Types of queries are: POCs, o
8151 1494 2962 346 Uninet S.A. de C.V.
7303 1254 755 176 Telecom Argentina Stet-France
27947 635 73 95 Telconet S.A
22047 582 322 17 Types of queries are: POCs, o
3816 552 237 92 COLOMBIA TELECOMUNICACIONES S
7738 551 1050 31 Telecomunicacoes da Bahia S.A
6503 549 434 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 1039 958 13 TEDATA
24863 791 146 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 216 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 3470 3814 221 bellsouth.net, inc.
7029 2891 1046 214 Windstream Communications Inc
18566 2096 383 177 Covad Communications
4766 1928 11097 661 Korea Telecom (KIX)
1785 1861 680 122 AppliedTheory Corporation
10620 1721 319 159 TVCABLE BOGOTA
17974 1719 503 37 PT TELEKOMUNIKASI INDONESIA
7545 1626 303 86 TPG Internet Pty Ltd
4323 1617 1081 385 Time Warner Telecom
20115 1613 1550 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 2891 2677 Windstream Communications Inc
18566 2096 1919 Covad Communications
1785 1861 1739 AppliedTheory Corporation
17974 1719 1682 PT TELEKOMUNIKASI INDONESIA
10620 1721 1562 TVCABLE BOGOTA
7545 1626 1540 TPG Internet Pty Ltd
28573 1561 1486 Types of queries are: POCs, o
8402 1469 1454 Corbina telecom
22773 1516 1409 Cox Communications, Inc.
7552 1412 1405 Vietel Corporation
Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
65200 PRIVATE 10.121.254.0/28 286 KPNQwest Backbone AS
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
Complete listing at http://thyme.rand.apnic.net/rviews/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.1.0/24 286 KPNQwest Backbone AS
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
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
37.26.200.0/21 28748 AlphaCron Datensysteme AS
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 /15:1480 /16:12225 /17:6382 /18:10507
/19:20698 /20:29159 /21:28701 /22:39006 /23:36486 /24:203818
/25:69 /26:84 /27:109 /28:294 /29:112 /30:547
/31:52 /32:491
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2499 2891 Windstream Communications Inc
6389 2114 3470 bellsouth.net, inc.
18566 2045 2096 Covad Communications
10620 1616 1721 TVCABLE BOGOTA
8402 1448 1469 Corbina telecom
30036 1430 1470 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)
----------------------------------------------
1:471 2:421 4:19 5:1 6:3 8:368
10:1 12:1950 13:1 14:578 15:11 16:3
17:7 20:9 23:82 24:1716 27:1124 31:825
32:122 33:2 34:2 36:4 37:9 38:778
39:1 40:114 41:3028 42:82 43:1 44:3
46:1154 47:3 49:299 50:473 52:13 55:6
56:2 57:52 58:930 59:488 60:344 61:1184
62:954 63:1985 64:4153 65:2306 66:4399 67:2018
68:1352 69:3243 70:971 71:410 72:1816 73:1
74:2700 75:444 76:332 77:934 78:872 79:495
80:1194 81:845 82:544 83:535 84:589 85:1170
86:754 87:907 88:364 89:1612 90:261 91:4386
92:533 93:1511 94:1351 95:1035 96:401 97:288
98:778 99:38 100:2 101:248 103:597 106:11
107:120 108:104 109:1438 110:697 111:831 112:433
113:527 114:606 115:720 116:896 117:733 118:906
119:1256 120:360 121:696 122:1613 123:1040 124:1361
125:1348 128:491 129:192 130:189 131:588 132:163
133:21 134:227 135:54 136:206 137:151 138:285
139:137 140:491 141:257 142:383 143:393 144:502
145:67 146:477 147:232 148:685 149:271 150:165
151:192 152:444 153:169 154:7 155:397 156:210
157:367 158:154 159:505 160:350 161:221 162:334
163:188 164:522 165:411 166:545 167:455 168:813
169:147 170:828 171:95 172:4 173:1829 174:594
175:442 176:317 177:433 178:1153 180:1234 181:39
182:683 183:264 184:427 185:1 186:1471 187:792
188:1008 189:1174 190:5347 192:6006 193:5461 194:3822
195:3242 196:1302 197:175 198:3632 199:4252 200:5579
201:1689 202:8616 203:8540 204:4352 205:2427 206:2714
207:2826 208:4013 209:3590 210:2773 211:1484 212:1987
213:1814 214:807 215:93 216:4949 217:1483 218:570
219:337 220:1264 221:528 222:325 223:265
End of report
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