Routing Table Report 00:00 GMT Fri 09 Mar, 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: 403643
Prefixes after maximum aggregation: 172102
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 194884
Total ASes present in the Internet Routing Table: 40358
Prefixes per ASN: 10.00
Origin-only ASes present in the Internet Routing Table: 32811
Origin ASes announcing only one prefix: 15529
Transit ASes present in the Internet Routing Table: 5474
Transit-only ASes present in the Internet Routing Table: 152
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 27
Max AS path prepend of ASN (56677) 25
Prefixes from unregistered ASNs in the Routing Table: 5456
Unregistered ASNs in the Routing Table: 196
Number of 32-bit ASNs allocated by the RIRs: 2312
Number of 32-bit ASNs visible in the Routing Table: 2073
Prefixes from 32-bit ASNs in the Routing Table: 4957
Special use prefixes present in the Routing Table: 87
Prefixes being announced from unallocated address space: 564
Number of addresses announced to Internet: 2526022361
Equivalent to 150 /8s, 144 /16s and 10 /24s
Percentage of available address space announced: 68.2
Percentage of allocated address space announced: 68.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 92.1
Total number of prefixes smaller than registry allocations: 170048
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96517
Total APNIC prefixes after maximum aggregation: 30923
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 92989
Unique aggregates announced from the APNIC address blocks: 39457
APNIC Region origin ASes present in the Internet Routing Table: 4649
APNIC Prefixes per ASN: 20.00
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 748
Average APNIC Region AS path length visible: 5.1
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 162
Number of APNIC addresses announced to Internet: 640851200
Equivalent to 38 /8s, 50 /16s and 157 /24s
Percentage of available APNIC address space announced: 81.3
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: 151614
Total ARIN prefixes after maximum aggregation: 77790
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122924
Unique aggregates announced from the ARIN address blocks: 49830
ARIN Region origin ASes present in the Internet Routing Table: 14960
ARIN Prefixes per ASN: 8.22
ARIN Region origin ASes announcing only one prefix: 5684
ARIN Region transit ASes present in the Internet Routing Table: 1571
Average ARIN Region AS path length visible: 4.2
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: 806552320
Equivalent to 48 /8s, 19 /16s and 3 /24s
Percentage of available ARIN address space announced: 64.1
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: 101999
Total RIPE prefixes after maximum aggregation: 53020
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 92689
Unique aggregates announced from the RIPE address blocks: 56930
RIPE Region origin ASes present in the Internet Routing Table: 16346
RIPE Prefixes per ASN: 5.67
RIPE Region origin ASes announcing only one prefix: 7992
RIPE Region transit ASes present in the Internet Routing Table: 2646
Average RIPE Region AS path length visible: 5.2
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1417
Number of RIPE addresses announced to Internet: 501677708
Equivalent to 29 /8s, 230 /16s and 254 /24s
Percentage of available RIPE address space announced: 80.8
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: 39436
Total LACNIC prefixes after maximum aggregation: 8132
LACNIC Deaggregation factor: 4.85
Prefixes being announced from the LACNIC address blocks: 39108
Unique aggregates announced from the LACNIC address blocks: 19701
LACNIC Region origin ASes present in the Internet Routing Table: 1573
LACNIC Prefixes per ASN: 24.86
LACNIC Region origin ASes announcing only one prefix: 437
LACNIC Region transit ASes present in the Internet Routing Table: 292
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 26
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 475
Number of LACNIC addresses announced to Internet: 98128648
Equivalent to 5 /8s, 217 /16s and 83 /24s
Percentage of available LACNIC address space announced: 65.0
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: 8775
Total AfriNIC prefixes after maximum aggregation: 2116
AfriNIC Deaggregation factor: 4.15
Prefixes being announced from the AfriNIC address blocks: 6863
Unique aggregates announced from the AfriNIC address blocks: 2166
AfriNIC Region origin ASes present in the Internet Routing Table: 521
AfriNIC Prefixes per ASN: 13.17
AfriNIC Region origin ASes announcing only one prefix: 168
AfriNIC Region transit ASes present in the Internet Routing Table: 118
Average AfriNIC Region AS path length visible: 4.6
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: 31574016
Equivalent to 1 /8s, 225 /16s and 200 /24s
Percentage of available AfriNIC address space announced: 47.0
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 11101 679 Korea Telecom (KIX)
17974 1733 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1643 303 87 TPG Internet Pty Ltd
4755 1571 386 160 Videsh Sanchar Nigam Ltd. Aut
9583 1198 90 508 Sify Limited
9829 1188 1001 30 BSNL National Internet Backbo
7552 1160 1062 11 Vietel Corporation
24560 1005 383 166 Bharti Airtel Ltd.
18101 949 130 155 Reliance Infocom Ltd Internet
4808 919 1874 266 CNCGROUP IP network: China169
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
7029 3416 1014 159 Windstream Communications Inc
6389 3413 3807 198 bellsouth.net, inc.
18566 2090 382 177 Covad Communications
1785 1876 680 127 AppliedTheory Corporation
20115 1634 1555 633 Charter Communications
4323 1560 1023 361 Time Warner Telecom
22773 1545 2910 111 Cox Communications, Inc.
30036 1418 258 757 Mediacom Communications Corp
19262 1389 4703 398 Verizon Global Networks
7018 1273 10928 834 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 1679 544 16 Corbina telecom
2118 1421 97 13 EUnet/RELCOM Autonomous Syste
15557 1087 2184 60 LDCOM NETWORKS
286 1070 806 200 KPNQwest Backbone AS
34984 658 188 171 Tellcom Iletisim Hizmetleri
12479 643 648 54 Uni2 Autonomous System
6830 641 1927 412 UPC Distribution Services
20940 630 205 489 Akamai Technologies European
8551 604 360 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 1761 326 160 TVCABLE BOGOTA
28573 1663 1092 57 Types of queries are: POCs, o
8151 1523 3012 343 Uninet S.A. de C.V.
7303 1328 822 186 Telecom Argentina Stet-France
26615 886 672 33 Types of queries are: POCs, o
27947 679 68 110 Telconet S.A
11172 634 91 72 Alestra
22047 582 322 17 Types of queries are: POCs, o
6503 581 418 67 AVANTEL, S.A.
3816 559 240 90 COLOMBIA TELECOMUNICACIONES S
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 1252 958 13 TEDATA
24863 832 274 35 LINKdotNET AS number
6713 489 649 18 Itissalat Al-MAGHRIB
3741 277 923 228 The Internet Solution
15706 227 32 6 Sudatel Internet Exchange Aut
12258 197 28 62 YEBO-AS
24835 182 80 8 RAYA Telecom - Egypt
33776 161 12 16 Starcomms Nigeria Limited
36923 157 20 4 Swift Networks Limited
29571 153 15 16 Ci Telecom Autonomous system
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
7029 3416 1014 159 Windstream Communications Inc
6389 3413 3807 198 bellsouth.net, inc.
18566 2090 382 177 Covad Communications
4766 1928 11101 679 Korea Telecom (KIX)
1785 1876 680 127 AppliedTheory Corporation
10620 1761 326 160 TVCABLE BOGOTA
17974 1733 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1679 544 16 Corbina telecom
28573 1663 1092 57 Types of queries are: POCs, o
7545 1643 303 87 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
6389 3413 3215 bellsouth.net, inc.
18566 2090 1913 Covad Communications
1785 1876 1749 AppliedTheory Corporation
17974 1733 1697 PT TELEKOMUNIKASI INDONESIA
8402 1679 1663 Corbina telecom
28573 1663 1606 Types of queries are: POCs, o
10620 1761 1601 TVCABLE BOGOTA
7545 1643 1556 TPG Internet Pty Ltd
22773 1545 1434 Cox Communications, Inc.
4755 1571 1411 Videsh Sanchar Nigam Ltd. Aut
Complete listing at http://thyme.rand.apnic.net/rviews/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
23456 UNALLOCATED 8.14.101.0/24 6461 AboveNet Communicati
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 12.45.103.0/24 209 Qwest
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
10.29.245.1/32 286 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
23.27.0.0/20 54500 EGIHosting
23.27.0.0/16 54500 EGIHosting
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 /10:28 /11:81 /12:235
/13:458 /14:824 /15:1508 /16:12322 /17:6497 /18:10786
/19:21017 /20:29759 /21:29751 /22:40296 /23:37641 /24:210786
/25:67 /26:76 /27:107 /28:278 /29:104 /30:509
/31:19 /32:462
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3071 3416 Windstream Communications Inc
6389 2103 3413 bellsouth.net, inc.
18566 2039 2090 Covad Communications
10620 1658 1761 TVCABLE BOGOTA
8402 1657 1679 Corbina telecom
30036 1367 1418 Mediacom Communications Corp
11492 1117 1154 Cable One
8452 1062 1252 TEDATA
1785 1060 1876 AppliedTheory Corporation
7011 1042 1157 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:526 2:658 4:18 6:3 8:394 12:1966
13:1 14:608 15:12 16:3 17:7 20:8
23:142 24:1755 27:1230 31:988 32:124 33:2
34:2 36:9 37:237 38:781 39:4 40:117
41:2999 42:122 44:3 46:1407 47:3 49:345
50:514 52:13 54:5 55:11 56:3 57:47
58:958 59:498 60:284 61:1201 62:989 63:2028
64:4152 65:2278 66:4488 67:2067 68:1342 69:3280
70:965 71:423 72:1861 73:1 74:2689 75:482
76:332 77:972 78:965 79:501 80:1214 81:894
82:641 83:542 84:600 85:1167 86:735 87:921
88:350 89:1579 90:285 91:4561 92:517 93:1383
94:1380 95:1118 96:426 97:316 98:837 99:38
100:5 101:228 103:887 106:64 107:171 108:214
109:1545 110:751 111:863 112:441 113:549 114:622
115:774 116:888 117:724 118:920 119:1268 120:376
121:712 122:1621 123:1087 124:1388 125:1340 128:532
129:195 130:262 131:590 132:166 133:21 134:237
135:62 136:212 137:185 138:274 139:157 140:491
141:266 142:391 143:414 144:507 145:69 146:491
147:254 148:761 149:300 150:162 151:198 152:447
153:171 154:7 155:445 156:213 157:372 158:162
159:518 160:326 161:245 162:342 163:186 164:531
165:414 166:565 167:463 168:811 169:149 170:846
171:118 172:4 173:1727 174:605 175:444 176:543
177:540 178:1290 180:1214 181:67 182:783 183:282
184:442 185:1 186:2090 187:850 188:1050 189:1208
190:5501 192:6021 193:5590 194:4384 195:3448 196:1291
197:168 198:3653 199:4450 200:5752 201:1773 202:8434
203:8740 204:4364 205:2456 206:2764 207:2805 208:4069
209:3593 210:2784 211:1488 212:2011 213:1889 214:862
215:103 216:5068 217:1534 218:552 219:334 220:1236
221:565 222:346 223:325
End of report
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