Routing Table Report 00:00 GMT Tue 14 Feb, 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: 401502
Prefixes after maximum aggregation: 171027
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 192552
Total ASes present in the Internet Routing Table: 40134
Prefixes per ASN: 10.00
Origin-only ASes present in the Internet Routing Table: 32752
Origin ASes announcing only one prefix: 15546
Transit ASes present in the Internet Routing Table: 5418
Transit-only ASes present in the Internet Routing Table: 142
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 28
Max AS path prepend of ASN (56677) 25
Prefixes from unregistered ASNs in the Routing Table: 5090
Unregistered ASNs in the Routing Table: 150
Number of 32-bit ASNs allocated by the RIRs: 2274
Number of 32-bit ASNs visible in the Routing Table: 1964
Prefixes from 32-bit ASNs in the Routing Table: 4700
Special use prefixes present in the Routing Table: 88
Prefixes being announced from unallocated address space: 149
Number of addresses announced to Internet: 2514829537
Equivalent to 149 /8s, 229 /16s and 64 /24s
Percentage of available address space announced: 67.9
Percentage of allocated address space announced: 67.9
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: 168880
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96481
Total APNIC prefixes after maximum aggregation: 30721
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 92876
Unique aggregates announced from the APNIC address blocks: 39244
APNIC Region origin ASes present in the Internet Routing Table: 4632
APNIC Prefixes per ASN: 20.05
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 746
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 24
Number of APNIC region 32-bit ASNs visible in the Routing Table: 146
Number of APNIC addresses announced to Internet: 635813632
Equivalent to 37 /8s, 229 /16s and 191 /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: 151073
Total ARIN prefixes after maximum aggregation: 77505
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122744
Unique aggregates announced from the ARIN address blocks: 49442
ARIN Region origin ASes present in the Internet Routing Table: 14931
ARIN Prefixes per ASN: 8.22
ARIN Region origin ASes announcing only one prefix: 5687
ARIN Region transit ASes present in the Internet Routing Table: 1563
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 15
Number of ARIN addresses announced to Internet: 804597768
Equivalent to 47 /8s, 245 /16s and 48 /24s
Percentage of available ARIN address space announced: 63.9
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: 101001
Total RIPE prefixes after maximum aggregation: 52605
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 91988
Unique aggregates announced from the RIPE address blocks: 56095
RIPE Region origin ASes present in the Internet Routing Table: 16337
RIPE Prefixes per ASN: 5.63
RIPE Region origin ASes announcing only one prefix: 8008
RIPE Region transit ASes present in the Internet Routing Table: 2609
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1357
Number of RIPE addresses announced to Internet: 500916364
Equivalent to 29 /8s, 219 /16s and 96 /24s
Percentage of available RIPE address space announced: 80.7
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: 38976
Total LACNIC prefixes after maximum aggregation: 8006
LACNIC Deaggregation factor: 4.87
Prefixes being announced from the LACNIC address blocks: 38556
Unique aggregates announced from the LACNIC address blocks: 19507
LACNIC Region origin ASes present in the Internet Routing Table: 1570
LACNIC Prefixes per ASN: 24.56
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 296
Average LACNIC Region AS path length visible: 4.4
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 442
Number of LACNIC addresses announced to Internet: 96560136
Equivalent to 5 /8s, 193 /16s and 100 /24s
Percentage of available LACNIC address space announced: 63.9
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: 9038
Total AfriNIC prefixes after maximum aggregation: 2110
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 7038
Unique aggregates announced from the AfriNIC address blocks: 2157
AfriNIC Region origin ASes present in the Internet Routing Table: 512
AfriNIC Prefixes per ASN: 13.75
AfriNIC Region origin ASes announcing only one prefix: 159
AfriNIC Region transit ASes present in the Internet Routing Table: 119
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: 30890240
Equivalent to 1 /8s, 215 /16s and 89 /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 1900 11096 664 Korea Telecom (KIX)
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1640 303 86 TPG Internet Pty Ltd
4755 1546 385 158 Videsh Sanchar Nigam Ltd. Aut
7552 1409 1064 7 Vietel Corporation
9829 1170 989 28 BSNL National Internet Backbo
9583 1124 83 482 Sify Limited
24560 1014 385 167 Bharti Airtel Ltd.
4808 978 1986 292 CNCGROUP IP network: China169
18101 950 130 155 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 3442 3807 202 bellsouth.net, inc.
7029 3391 1018 160 Windstream Communications Inc
18566 2092 382 177 Covad Communications
1785 1869 680 125 AppliedTheory Corporation
20115 1626 1550 630 Charter Communications
4323 1607 1062 383 Time Warner Telecom
22773 1513 2910 110 Cox Communications, Inc.
19262 1387 4703 397 Verizon Global Networks
30036 1385 244 750 Mediacom Communications Corp
7018 1311 7012 852 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 1723 480 15 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
15557 1095 2161 63 LDCOM NETWORKS
286 1054 806 198 KPNQwest Backbone AS
34984 650 188 172 Tellcom Iletisim Hizmetleri
6830 642 1926 411 UPC Distribution Services
20940 607 196 476 Akamai Technologies European
12479 586 643 54 Uni2 Autonomous System
8551 577 360 81 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 1751 324 162 TVCABLE BOGOTA
28573 1649 1085 69 Types of queries are: POCs, o
8151 1519 2985 343 Uninet S.A. de C.V.
7303 1263 758 182 Telecom Argentina Stet-France
26615 897 672 33 Types of queries are: POCs, o
27947 657 67 106 Telconet S.A
11172 630 91 74 Alestra
22047 581 322 17 Types of queries are: POCs, o
3816 556 238 91 COLOMBIA TELECOMUNICACIONES S
7738 550 1050 31 Telecomunicacoes da Bahia 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 1244 958 13 TEDATA
24863 830 156 44 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 276 939 229 The Internet Solution
33776 237 13 14 Starcomms Nigeria Limited
15706 222 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 YEBO-AS
24835 194 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
16637 158 664 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 3442 3807 202 bellsouth.net, inc.
7029 3391 1018 160 Windstream Communications Inc
18566 2092 382 177 Covad Communications
4766 1900 11096 664 Korea Telecom (KIX)
1785 1869 680 125 AppliedTheory Corporation
10620 1751 324 162 TVCABLE BOGOTA
17974 1731 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1723 480 15 Corbina telecom
28573 1649 1085 69 Types of queries are: POCs, o
7545 1640 303 86 TPG Internet Pty Ltd
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 3391 3231 Windstream Communications Inc
18566 2092 1915 Covad Communications
1785 1869 1744 AppliedTheory Corporation
8402 1723 1708 Corbina telecom
17974 1731 1695 PT TELEKOMUNIKASI INDONESIA
10620 1751 1589 TVCABLE BOGOTA
28573 1649 1580 Types of queries are: POCs, o
7545 1640 1554 TPG Internet Pty Ltd
22773 1513 1403 Cox Communications, Inc.
7552 1409 1402 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
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
10.29.245.1/32 286 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
10.29.245.27/32 286 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
37.98.200.0/21 56687 Nimad Rah Khoozestan PLC
37.98.208.0/20 8374 Polkomtel S.A.
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 /8:19 /9:12 /10:27 /11:80 /12:231
/13:458 /14:821 /15:1501 /16:12279 /17:6470 /18:10697
/19:21024 /20:29514 /21:29630 /22:40277 /23:37531 /24:209364
/25:63 /26:73 /27:92 /28:267 /29:72 /30:531
/31:21 /32:448
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3046 3391 Windstream Communications Inc
6389 2111 3442 bellsouth.net, inc.
18566 2041 2092 Covad Communications
8402 1702 1723 Corbina telecom
10620 1645 1751 TVCABLE BOGOTA
30036 1343 1385 Mediacom Communications Corp
11492 1118 1155 Cable One
1785 1065 1869 AppliedTheory Corporation
8452 1053 1244 TEDATA
15557 1045 1095 LDCOM NETWORKS
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:512 2:720 4:14 5:1 6:3 8:387
12:1964 13:1 14:598 15:11 16:3 17:7
20:9 23:131 24:1737 27:1197 31:951 32:124
33:2 34:2 36:9 37:178 38:780 39:4
40:115 41:3208 42:96 43:1 44:3 46:1288
47:3 49:333 50:518 52:13 54:2 55:9
56:3 57:48 58:967 59:494 60:345 61:1206
62:958 63:2022 64:4155 65:2287 66:4455 67:2062
68:1359 69:3273 70:973 71:412 72:1822 73:1
74:2705 75:476 76:330 77:981 78:947 79:499
80:1233 81:889 82:583 83:532 84:584 85:1159
86:750 87:931 88:350 89:1562 90:270 91:4485
92:540 93:1334 94:1362 95:1083 96:421 97:310
98:831 99:38 100:4 101:266 103:797 106:65
107:152 108:155 109:1483 110:719 111:850 112:438
113:544 114:616 115:769 116:899 117:740 118:914
119:1256 120:365 121:704 122:1626 123:1081 124:1386
125:1369 128:538 129:193 130:217 131:593 132:165
133:21 134:235 135:60 136:216 137:153 138:286
139:157 140:488 141:262 142:392 143:410 144:519
145:70 146:484 147:246 148:761 149:282 150:163
151:196 152:447 153:170 154:7 155:416 156:211
157:369 158:158 159:515 160:323 161:245 162:341
163:188 164:531 165:409 166:557 167:455 168:750
169:148 170:834 171:112 172:2 173:1757 174:605
175:438 176:506 177:484 178:1257 180:1199 181:65
182:735 183:278 184:424 185:1 186:2047 187:846
188:1036 189:1167 190:5473 192:6009 193:5543 194:4361
195:3456 196:1304 197:165 198:3630 199:4380 200:5717
201:1734 202:8496 203:8681 204:4356 205:2448 206:2759
207:2800 208:4092 209:3587 210:2793 211:1490 212:2085
213:1861 214:855 215:102 216:5034 217:1481 218:554
219:341 220:1259 221:558 222:348 223:313
End of report