Routing Table Report 00:00 GMT Wed 08 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: 400539
Prefixes after maximum aggregation: 171014
Deaggregation factor: 2.34
Unique aggregates announced to Internet: 192187
Total ASes present in the Internet Routing Table: 40077
Prefixes per ASN: 9.99
Origin-only ASes present in the Internet Routing Table: 32737
Origin ASes announcing only one prefix: 15557
Transit ASes present in the Internet Routing Table: 5401
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.1
Max AS path length visible: 28
Max AS path prepend of ASN (36992) 22
Prefixes from unregistered ASNs in the Routing Table: 5072
Unregistered ASNs in the Routing Table: 144
Number of 32-bit ASNs allocated by the RIRs: 2267
Number of 32-bit ASNs visible in the Routing Table: 1939
Prefixes from 32-bit ASNs in the Routing Table: 4690
Special use prefixes present in the Routing Table: 90
Prefixes being announced from unallocated address space: 121
Number of addresses announced to Internet: 2513985769
Equivalent to 149 /8s, 216 /16s and 96 /24s
Percentage of available address space announced: 67.8
Percentage of allocated address space announced: 67.8
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: 168443
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 96177
Total APNIC prefixes after maximum aggregation: 30668
APNIC Deaggregation factor: 3.14
Prefixes being announced from the APNIC address blocks: 92588
Unique aggregates announced from the APNIC address blocks: 39117
APNIC Region origin ASes present in the Internet Routing Table: 4633
APNIC Prefixes per ASN: 19.98
APNIC Region origin ASes announcing only one prefix: 1258
APNIC Region transit ASes present in the Internet Routing Table: 741
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: 139
Number of APNIC addresses announced to Internet: 635872512
Equivalent to 37 /8s, 230 /16s and 165 /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: 150919
Total ARIN prefixes after maximum aggregation: 77516
ARIN Deaggregation factor: 1.95
Prefixes being announced from the ARIN address blocks: 122623
Unique aggregates announced from the ARIN address blocks: 49332
ARIN Region origin ASes present in the Internet Routing Table: 14913
ARIN Prefixes per ASN: 8.22
ARIN Region origin ASes announcing only one prefix: 5679
ARIN Region transit ASes present in the Internet Routing Table: 1566
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: 804412936
Equivalent to 47 /8s, 242 /16s and 94 /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: 100577
Total RIPE prefixes after maximum aggregation: 52549
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 91589
Unique aggregates announced from the RIPE address blocks: 56019
RIPE Region origin ASes present in the Internet Routing Table: 16325
RIPE Prefixes per ASN: 5.61
RIPE Region origin ASes announcing only one prefix: 8012
RIPE Region transit ASes present in the Internet Routing Table: 2601
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: 1343
Number of RIPE addresses announced to Internet: 500799628
Equivalent to 29 /8s, 217 /16s and 152 /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: 38928
Total LACNIC prefixes after maximum aggregation: 8090
LACNIC Deaggregation factor: 4.81
Prefixes being announced from the LACNIC address blocks: 38465
Unique aggregates announced from the LACNIC address blocks: 19439
LACNIC Region origin ASes present in the Internet Routing Table: 1570
LACNIC Prefixes per ASN: 24.50
LACNIC Region origin ASes announcing only one prefix: 443
LACNIC Region transit ASes present in the Internet Routing Table: 297
Average LACNIC Region AS path length visible: 4.3
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 438
Number of LACNIC addresses announced to Internet: 96383496
Equivalent to 5 /8s, 190 /16s and 178 /24s
Percentage of available LACNIC address space announced: 63.8
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: 9021
Total AfriNIC prefixes after maximum aggregation: 2117
AfriNIC Deaggregation factor: 4.26
Prefixes being announced from the AfriNIC address blocks: 7046
Unique aggregates announced from the AfriNIC address blocks: 2144
AfriNIC Region origin ASes present in the Internet Routing Table: 513
AfriNIC Prefixes per ASN: 13.73
AfriNIC Region origin ASes announcing only one prefix: 165
AfriNIC Region transit ASes present in the Internet Routing Table: 116
Average AfriNIC Region AS path length visible: 4.1
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: 30868224
Equivalent to 1 /8s, 215 /16s and 3 /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 1904 11096 664 Korea Telecom (KIX)
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
7545 1637 302 85 TPG Internet Pty Ltd
4755 1535 385 157 Videsh Sanchar Nigam Ltd. Aut
7552 1392 1064 7 Vietel Corporation
9829 1170 989 28 BSNL National Internet Backbo
9583 1123 82 483 Sify Limited
24560 1013 385 167 Bharti Airtel Ltd.
4808 984 1994 293 CNCGROUP IP network: China169
18101 950 131 156 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
7029 3469 1042 211 Windstream Communications Inc
6389 3444 3807 202 bellsouth.net, inc.
18566 2093 382 177 Covad Communications
1785 1866 680 125 AppliedTheory Corporation
20115 1627 1552 626 Charter Communications
4323 1607 1062 382 Time Warner Telecom
22773 1501 2910 109 Cox Communications, Inc.
30036 1394 244 754 Mediacom Communications Corp
19262 1384 4683 400 Verizon Global Networks
7018 1312 7024 855 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 1664 480 15 Corbina telecom
2118 1385 97 13 EUnet/RELCOM Autonomous Syste
286 1127 806 201 KPNQwest Backbone AS
15557 1095 2161 63 LDCOM NETWORKS
34984 645 187 170 Tellcom Iletisim Hizmetleri
6830 641 1926 410 UPC Distribution Services
20940 598 195 470 Akamai Technologies European
8551 577 360 81 Bezeq International
12479 568 642 54 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 1735 323 170 TVCABLE BOGOTA
28573 1631 1085 69 Types of queries are: POCs, o
8151 1460 2995 342 Uninet S.A. de C.V.
7303 1262 758 181 Telecom Argentina Stet-France
26615 897 664 33 Types of queries are: POCs, o
11172 694 95 75 Alestra
27947 655 73 99 Telconet S.A
22047 581 322 17 Types of queries are: POCs, o
3816 551 238 92 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 1213 958 13 TEDATA
24863 830 155 43 LINKdotNET AS number
6713 478 649 18 Itissalat Al-MAGHRIB
3741 280 939 229 The Internet Solution
15706 238 32 6 Sudatel Internet Exchange Aut
33776 238 13 14 Starcomms Nigeria Limited
12258 197 28 62 YEBO-AS
24835 193 80 8 RAYA Telecom - Egypt
29571 189 17 11 Ci Telecom Autonomous system
16637 160 664 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
7029 3469 1042 211 Windstream Communications Inc
6389 3444 3807 202 bellsouth.net, inc.
18566 2093 382 177 Covad Communications
4766 1904 11096 664 Korea Telecom (KIX)
1785 1866 680 125 AppliedTheory Corporation
10620 1735 323 170 TVCABLE BOGOTA
17974 1729 503 36 PT TELEKOMUNIKASI INDONESIA
8402 1664 480 15 Corbina telecom
7545 1637 302 85 TPG Internet Pty Ltd
28573 1631 1085 69 Types of queries are: POCs, o
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 3444 3242 bellsouth.net, inc.
18566 2093 1916 Covad Communications
1785 1866 1741 AppliedTheory Corporation
17974 1729 1693 PT TELEKOMUNIKASI INDONESIA
8402 1664 1649 Corbina telecom
10620 1735 1565 TVCABLE BOGOTA
28573 1631 1562 Types of queries are: POCs, o
7545 1637 1552 TPG Internet Pty Ltd
22773 1501 1392 Cox Communications, Inc.
7552 1392 1385 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
10.29.244.56/29 286 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
37.98.0.0/17 50810 Mobin Net Communication Compa
37.98.160.0/19 47241 Ivtelecom Ltd.
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 /15:1502 /16:12300 /17:6445 /18:10687
/19:21010 /20:29420 /21:29554 /22:40091 /23:37474 /24:208744
/25:68 /26:83 /27:105 /28:241 /29:115 /30:548
/31:52 /32:452
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 3076 3469 Windstream Communications Inc
6389 2113 3444 bellsouth.net, inc.
18566 2042 2093 Covad Communications
8402 1643 1664 Corbina telecom
10620 1629 1735 TVCABLE BOGOTA
30036 1354 1394 Mediacom Communications Corp
11492 1117 1154 Cable One
1785 1064 1866 AppliedTheory Corporation
15557 1045 1095 LDCOM NETWORKS
7011 1033 1149 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/rviews/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:502 2:485 4:18 5:1 6:3 8:386
12:1957 13:1 14:600 15:11 16:3 17:7
20:9 23:129 24:1730 27:1191 31:926 32:124
33:2 34:2 36:9 37:172 38:778 39:4
40:114 41:3180 42:93 43:1 44:3 46:1283
47:3 49:325 50:513 52:13 54:2 55:8
56:3 57:48 58:964 59:494 60:346 61:1200
62:944 63:2022 64:4191 65:2289 66:4450 67:2079
68:1357 69:3266 70:972 71:410 72:1825 73:1
74:2704 75:477 76:335 77:968 78:912 79:512
80:1225 81:877 82:582 83:533 84:584 85:1154
86:736 87:924 88:359 89:1555 90:274 91:4450
92:540 93:1538 94:1370 95:1132 96:420 97:310
98:787 99:38 100:4 101:261 103:766 106:10
107:144 108:151 109:1487 110:718 111:849 112:437
113:542 114:609 115:765 116:900 117:739 118:922
119:1256 120:364 121:706 122:1625 123:1070 124:1391
125:1362 128:506 129:192 130:216 131:590 132:164
133:21 134:232 135:60 136:214 137:153 138:285
139:157 140:491 141:262 142:382 143:412 144:520
145:70 146:486 147:237 148:755 149:274 150:167
151:196 152:448 153:170 154:7 155:414 156:211
157:370 158:157 159:512 160:321 161:243 162:341
163:187 164:528 165:413 166:556 167:457 168:765
169:148 170:833 171:109 172:2 173:1763 174:579
175:424 176:487 177:482 178:1241 180:1202 181:65
182:722 183:273 184:424 185:1 186:2040 187:838
188:1030 189:1175 190:5472 192:6007 193:5549 194:4364
195:3448 196:1307 197:181 198:3631 199:4379 200:5713
201:1739 202:8471 203:8676 204:4352 205:2450 206:2768
207:2818 208:4080 209:3592 210:2776 211:1487 212:2063
213:1841 214:856 215:95 216:5018 217:1466 218:558
219:342 220:1258 221:558 222:346 223:280
End of report
