Routing Table Report 00:00 GMT Thu 08 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: 403633
Prefixes after maximum aggregation: 172086
Deaggregation factor: 2.35
Unique aggregates announced to Internet: 193125
Total ASes present in the Internet Routing Table: 40352
Prefixes per ASN: 10.00
Origin-only ASes present in the Internet Routing Table: 32823
Origin ASes announcing only one prefix: 15530
Transit ASes present in the Internet Routing Table: 5462
Transit-only ASes present in the Internet Routing Table: 149
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: 5426
Unregistered ASNs in the Routing Table: 191
Number of 32-bit ASNs allocated by the RIRs: 2311
Number of 32-bit ASNs visible in the Routing Table: 2067
Prefixes from 32-bit ASNs in the Routing Table: 4937
Special use prefixes present in the Routing Table: 87
Prefixes being announced from unallocated address space: 548
Number of addresses announced to Internet: 2544102873
Equivalent to 151 /8s, 163 /16s and 237 /24s
Percentage of available address space announced: 68.6
Percentage of allocated address space announced: 68.6
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: 170097
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96435
Total APNIC prefixes after maximum aggregation: 30899
APNIC Deaggregation factor: 3.12
Prefixes being announced from the APNIC address blocks: 92893
Unique aggregates announced from the APNIC address blocks: 37722
APNIC Region origin ASes present in the Internet Routing Table: 4648
APNIC Prefixes per ASN: 19.99
APNIC Region origin ASes announcing only one prefix: 1244
APNIC Region transit ASes present in the Internet Routing Table: 746
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: 658775552
Equivalent to 39 /8s, 68 /16s and 30 /24s
Percentage of available APNIC address space announced: 83.5
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: 151541
Total ARIN prefixes after maximum aggregation: 77796
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122877
Unique aggregates announced from the ARIN address blocks: 49848
ARIN Region origin ASes present in the Internet Routing Table: 14963
ARIN Prefixes per ASN: 8.21
ARIN Region origin ASes announcing only one prefix: 5683
ARIN Region transit ASes present in the Internet Routing Table: 1571
Average ARIN Region AS path length visible: 4.3
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: 806650624
Equivalent to 48 /8s, 20 /16s and 131 /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: 102168
Total RIPE prefixes after maximum aggregation: 53013
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 92777
Unique aggregates announced from the RIPE address blocks: 56919
RIPE Region origin ASes present in the Internet Routing Table: 16349
RIPE Prefixes per ASN: 5.67
RIPE Region origin ASes announcing only one prefix: 7996
RIPE Region transit ASes present in the Internet Routing Table: 2638
Average RIPE Region AS path length visible: 5.3
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1411
Number of RIPE addresses announced to Internet: 501789068
Equivalent to 29 /8s, 232 /16s and 177 /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: 39434
Total LACNIC prefixes after maximum aggregation: 8136
LACNIC Deaggregation factor: 4.85
Prefixes being announced from the LACNIC address blocks: 39118
Unique aggregates announced from the LACNIC address blocks: 19700
LACNIC Region origin ASes present in the Internet Routing Table: 1575
LACNIC Prefixes per ASN: 24.84
LACNIC Region origin ASes announcing only one prefix: 438
LACNIC Region transit ASes present in the Internet Routing Table: 291
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: 97986568
Equivalent to 5 /8s, 215 /16s and 40 /24s
Percentage of available LACNIC address space announced: 64.9
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: 8785
Total AfriNIC prefixes after maximum aggregation: 2126
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 6874
Unique aggregates announced from the AfriNIC address blocks: 2157
AfriNIC Region origin ASes present in the Internet Routing Table: 523
AfriNIC Prefixes per ASN: 13.14
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 121
Average AfriNIC Region AS path length visible: 4.7
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: 31565824
Equivalent to 1 /8s, 225 /16s and 168 /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 1921 11099 673 Korea Telecom (KIX)
17974 1733 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1645 303 89 TPG Internet Pty Ltd
4755 1571 386 160 Videsh Sanchar Nigam Ltd. Aut
9583 1197 90 510 Sify Limited
9829 1176 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 3418 1014 159 Windstream Communications Inc
6389 3413 3807 198 bellsouth.net, inc.
18566 2090 382 177 Covad Communications
1785 1875 680 127 AppliedTheory Corporation
20115 1634 1555 633 Charter Communications
4323 1551 1023 361 Time Warner Telecom
22773 1545 2910 111 Cox Communications, Inc.
30036 1416 258 757 Mediacom Communications Corp
19262 1390 4703 399 Verizon Global Networks
7018 1280 10928 838 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 1735 544 16 Corbina telecom
2118 1421 97 13 EUnet/RELCOM Autonomous Syste
15557 1089 2184 60 LDCOM NETWORKS
286 1073 806 201 KPNQwest Backbone AS
34984 658 188 171 Tellcom Iletisim Hizmetleri
6830 640 1926 411 UPC Distribution Services
12479 634 646 54 Uni2 Autonomous System
20940 623 202 483 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 1763 326 160 TVCABLE BOGOTA
28573 1676 1089 55 Types of queries are: POCs, o
8151 1524 3012 344 Uninet S.A. de C.V.
7303 1328 822 186 Telecom Argentina Stet-France
26615 898 672 33 Types of queries are: POCs, o
27947 678 68 110 Telconet S.A
11172 634 91 72 Alestra
6503 581 418 67 AVANTEL, S.A.
22047 581 322 17 Types of queries are: POCs, o
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 1250 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
33776 186 12 19 Starcomms Nigeria Limited
24835 181 80 8 RAYA Telecom - Egypt
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 3418 1014 159 Windstream Communications Inc
6389 3413 3807 198 bellsouth.net, inc.
18566 2090 382 177 Covad Communications
4766 1921 11099 673 Korea Telecom (KIX)
1785 1875 680 127 AppliedTheory Corporation
10620 1763 326 160 TVCABLE BOGOTA
8402 1735 544 16 Corbina telecom
17974 1733 503 36 PT TELEKOMUNIKASI INDONESIA
28573 1676 1089 55 Types of queries are: POCs, o
7545 1645 303 89 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 1875 1748 AppliedTheory Corporation
8402 1735 1719 Corbina telecom
17974 1733 1697 PT TELEKOMUNIKASI INDONESIA
28573 1676 1621 Types of queries are: POCs, o
10620 1763 1603 TVCABLE BOGOTA
7545 1645 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 18779 Guru.com
23.27.0.0/16 18779 Guru.com
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 /8:21 /9:12 /10:28 /11:81 /12:235
/13:458 /14:824 /15:1506 /16:12325 /17:6497 /18:10781
/19:21008 /20:29682 /21:29757 /22:40373 /23:37679 /24:210749
/25:63 /26:76 /27:106 /28:278 /29:104 /30:509
/31:19 /32:462
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3073 3418 Windstream Communications Inc
6389 2104 3413 bellsouth.net, inc.
18566 2039 2090 Covad Communications
8402 1713 1735 Corbina telecom
10620 1660 1763 TVCABLE BOGOTA
30036 1365 1416 Mediacom Communications Corp
11492 1124 1161 Cable One
1785 1060 1875 AppliedTheory Corporation
8452 1060 1250 TEDATA
7011 1040 1155 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:526 2:701 4:18 6:3 8:394 12:1965
13:1 14:608 15:12 16:3 17:7 20:8
23:141 24:1754 27:1213 31:989 32:124 33:2
34:2 36:9 37:232 38:782 39:4 40:117
41:3007 42:122 44:3 46:1400 47:3 49:343
50:513 52:13 54:5 55:10 56:3 57:47
58:958 59:497 60:284 61:1200 62:988 63:2025
64:4136 65:2281 66:4492 67:2070 68:1348 69:3281
70:956 71:409 72:1821 73:1 74:2699 75:483
76:333 77:974 78:964 79:501 80:1217 81:893
82:640 83:543 84:605 85:1166 86:734 87:923
88:350 89:1579 90:277 91:4566 92:517 93:1382
94:1378 95:1119 96:425 97:316 98:835 99:38
100:5 101:228 103:877 106:64 107:168 108:213
109:1543 110:748 111:866 112:440 113:547 114:619
115:774 116:888 117:721 118:919 119:1268 120:376
121:712 122:1621 123:1087 124:1388 125:1340 128:542
129:194 130:262 131:592 132:165 133:18 134:238
135:62 136:212 137:185 138:275 139:157 140:490
141:266 142:393 143:423 144:509 145:69 146:490
147:254 148:761 149:300 150:162 151:197 152:448
153:171 154:7 155:444 156:213 157:372 158:163
159:518 160:327 161:245 162:342 163:187 164:531
165:414 166:563 167:464 168:812 169:149 170:839
171:119 172:4 173:1725 174:594 175:442 176:544
177:541 178:1285 180:1215 181:68 182:783 183:281
184:443 185:1 186:2108 187:851 188:1072 189:1207
190:5492 192:6021 193:5593 194:4390 195:3454 196:1291
197:168 198:3651 199:4454 200:5745 201:1770 202:8451
203:8733 204:4366 205:2452 206:2773 207:2805 208:4070
209:3599 210:2787 211:1486 212:2010 213:1893 214:843
215:103 216:5064 217:1533 218:547 219:334 220:1234
221:559 222:346 223:324
End of report