Routing Table Report 04:00 +10GMT Thu 09 Aug, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 422239
Prefixes after maximum aggregation: 177159
Deaggregation factor: 2.38
Unique aggregates announced to Internet: 205131
Total ASes present in the Internet Routing Table: 41730
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33416
Origin ASes announcing only one prefix: 15684
Transit ASes present in the Internet Routing Table: 5598
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN ( 48687) 24
Prefixes from unregistered ASNs in the Routing Table: 398
Unregistered ASNs in the Routing Table: 154
Number of 32-bit ASNs allocated by the RIRs: 3080
Number of 32-bit ASNs visible in the Routing Table: 2716
Prefixes from 32-bit ASNs in the Routing Table: 6983
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 170
Number of addresses announced to Internet: 2583502476
Equivalent to 153 /8s, 253 /16s and 30 /24s
Percentage of available address space announced: 69.7
Percentage of allocated address space announced: 69.8
Percentage of available address space allocated: 99.9
Percentage of address space in use by end-sites: 93.1
Total number of prefixes smaller than registry allocations: 148376
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 101844
Total APNIC prefixes after maximum aggregation: 32765
APNIC Deaggregation factor: 3.11
Prefixes being announced from the APNIC address blocks: 102379
Unique aggregates announced from the APNIC address blocks: 42174
APNIC Region origin ASes present in the Internet Routing Table: 4731
APNIC Prefixes per ASN: 21.64
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 760
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 275
Number of APNIC addresses announced to Internet: 706721920
Equivalent to 42 /8s, 31 /16s and 184 /24s
Percentage of available APNIC address space announced: 82.6
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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, 150/8, 153/8,
163/8, 171/8, 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: 153530
Total ARIN prefixes after maximum aggregation: 77873
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 154543
Unique aggregates announced from the ARIN address blocks: 68704
ARIN Region origin ASes present in the Internet Routing Table: 15209
ARIN Prefixes per ASN: 10.16
ARIN Region origin ASes announcing only one prefix: 5761
ARIN Region transit ASes present in the Internet Routing Table: 1603
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 16
Number of ARIN addresses announced to Internet: 1083661184
Equivalent to 64 /8s, 151 /16s and 91 /24s
Percentage of available ARIN address space announced: 57.3
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, 128/8,
129/8, 130/8, 131/8, 132/8, 134/8, 135/8, 136/8,
137/8, 138/8, 139/8, 140/8, 142/8, 143/8, 144/8,
146/8, 147/8, 148/8, 149/8, 152/8, 155/8, 156/8,
157/8, 158/8, 159/8, 160/8, 161/8, 162/8, 164/8,
165/8, 166/8, 167/8, 168/8, 169/8, 170/8, 172/8,
173/8, 174/8, 184/8, 192/8, 198/8, 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: 107111
Total RIPE prefixes after maximum aggregation: 55914
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 109307
Unique aggregates announced from the RIPE address blocks: 68737
RIPE Region origin ASes present in the Internet Routing Table: 16734
RIPE Prefixes per ASN: 6.53
RIPE Region origin ASes announcing only one prefix: 8093
RIPE Region transit ASes present in the Internet Routing Table: 2704
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1775
Number of RIPE addresses announced to Internet: 638542052
Equivalent to 38 /8s, 15 /16s and 96 /24s
Percentage of available RIPE address space announced: 92.8
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
59392-61439, 196608-199679
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,
141/8, 145/8, 151/8, 176/8, 178/8, 185/8, 188/8,
193/8, 194/8, 195/8, 212/8, 213/8, 217/8,
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 42920
Total LACNIC prefixes after maximum aggregation: 8372
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 45682
Unique aggregates announced from the LACNIC address blocks: 21939
LACNIC Region origin ASes present in the Internet Routing Table: 1618
LACNIC Prefixes per ASN: 28.23
LACNIC Region origin ASes announcing only one prefix: 421
LACNIC Region transit ASes present in the Internet Routing Table: 315
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 644
Number of LACNIC addresses announced to Internet: 112737960
Equivalent to 6 /8s, 184 /16s and 62 /24s
Percentage of available LACNIC address space announced: 67.2
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,
191/8, 200/8, 201/8,
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 9707
Total AfriNIC prefixes after maximum aggregation: 2181
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 10158
Unique aggregates announced from the AfriNIC address blocks: 3435
AfriNIC Region origin ASes present in the Internet Routing Table: 555
AfriNIC Prefixes per ASN: 18.30
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 125
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: 6
Number of AfriNIC addresses announced to Internet: 41518336
Equivalent to 2 /8s, 121 /16s and 133 /24s
Percentage of available AfriNIC address space announced: 41.2
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 102/8, 105/8, 154/8, 196/8, 197/8,
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
4766 2758 11117 1247 Korea Telecom (KIX)
17974 2316 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1715 301 88 TPG Internet Pty Ltd
4755 1606 386 158 TATA Communications formerly
9829 1310 1084 31 BSNL National Internet Backbo
9583 1205 90 533 Sify Limited
7552 1128 1062 11 Vietel Corporation
4808 1120 2050 320 CNCGROUP IP network: China169
24560 1039 385 165 Bharti Airtel Ltd., Telemedia
9498 996 294 74 BHARTI Airtel Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3437 986 155 Windstream Communications Inc
6389 3342 3773 191 bellsouth.net, inc.
18566 2088 382 181 Covad Communications
1785 1931 680 128 PaeTec Communications, Inc.
22773 1696 2914 125 Cox Communications, Inc.
20115 1646 1572 611 Charter Communications
4323 1578 1027 385 Time Warner Telecom
30036 1430 279 788 Mediacom Communications Corp
7018 1245 10041 815 AT&T WorldNet Services
11492 1191 216 351 Cable One
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8402 1557 544 16 Corbina telecom
2118 1433 97 14 EUnet/RELCOM Autonomous Syste
15557 1215 2247 55 LDCOM NETWORKS
12479 823 761 88 Uni2 Autonomous System
34984 741 189 177 BILISIM TELEKOM
20940 725 236 563 Akamai Technologies European
6830 714 2310 445 UPC Distribution Services
31148 704 37 9 FreeNet ISP
13188 659 100 9 Educational Network
58113 627 70 373 LIR DATACENTER TELECOM SRL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 2064 351 213 TVCABLE BOGOTA
28573 2030 1232 57 NET Servicos de Comunicao S.A
6503 1528 419 67 AVANTEL, S.A.
7303 1464 936 200 Telecom Argentina Stet-France
8151 1461 3043 345 UniNet S.A. de C.V.
6458 884 81 15 GUATEL
27947 715 74 95 Telconet S.A
11172 644 91 74 Servicios Alestra S.A de C.V
3816 598 253 95 Empresa Nacional de Telecomun
22047 580 326 15 VTR PUNTO NET S.A.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 936 958 13 TEDATA
24863 865 274 33 LINKdotNET AS number
36998 532 48 3 MOBITEL
6713 515 650 19 Itissalat Al-MAGHRIB
24835 286 80 8 RAYA Telecom - Egypt
3741 263 905 224 The Internet Solution
33776 215 12 17 Starcomms Nigeria Limited
12258 195 28 62 Vodacom Internet Company
29975 191 667 21 Vodacom
15706 179 32 6 Sudatel Internet Exchange Aut
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
7029 3437 986 155 Windstream Communications Inc
6389 3342 3773 191 bellsouth.net, inc.
4766 2758 11117 1247 Korea Telecom (KIX)
17974 2316 702 54 PT TELEKOMUNIKASI INDONESIA
18566 2088 382 181 Covad Communications
10620 2064 351 213 TVCABLE BOGOTA
28573 2030 1232 57 NET Servicos de Comunicao S.A
1785 1931 680 128 PaeTec Communications, Inc.
7545 1715 301 88 TPG Internet Pty Ltd
22773 1696 2914 125 Cox Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 3342 3151 bellsouth.net, inc.
17974 2316 2262 PT TELEKOMUNIKASI INDONESIA
28573 2030 1973 NET Servicos de Comunicao S.A
18566 2088 1907 Covad Communications
10620 2064 1851 TVCABLE BOGOTA
1785 1931 1803 PaeTec Communications, Inc.
7545 1715 1627 TPG Internet Pty Ltd
22773 1696 1571 Cox Communications, Inc.
8402 1557 1541 Corbina telecom
4766 2758 1511 Korea Telecom (KIX)
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 12658 Dexterity Networks L
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.65.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.66.0/24 43179 RIPE Network Coordin
59457 UNALLOCATED 5.149.67.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.71.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.74.0/23 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.94.0/24 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.178.120.0/21 5602 KPNQwest Italia S.p.a
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
27.112.114.0/24 23884 Proimage Engineering and Comm
Complete listing at http://thyme.rand.apnic.net/current/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 /9:13 /10:28 /11:83 /12:236
/13:474 /14:849 /15:1527 /16:12342 /17:6376 /18:10750
/19:20913 /20:29924 /21:31887 /22:41773 /23:39723 /24:221422
/25:1274 /26:1501 /27:857 /28:165 /29:62 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2801 3437 Windstream Communications Inc
18566 2038 2088 Covad Communications
6389 1834 3342 bellsouth.net, inc.
30036 1366 1430 Mediacom Communications Corp
8402 1256 1557 Corbina telecom
15557 1159 1215 LDCOM NETWORKS
11492 1154 1191 Cable One
22773 1120 1696 Cox Communications, Inc.
6503 1051 1528 AVANTEL, S.A.
1785 1037 1931 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:533 2:711 3:1 4:13 5:336 6:3
8:438 12:2013 13:1 14:638 15:11 16:3
17:6 20:24 23:202 24:1804 27:1323 31:1026
32:55 33:2 34:2 36:8 37:722 38:816
39:1 40:134 41:2932 42:156 44:3 46:1563
47:2 49:428 50:581 52:13 54:14 55:7
56:1 57:31 58:988 59:513 60:236 61:1285
62:970 63:2023 64:4248 65:2248 66:4534 67:2040
68:1152 69:3206 70:988 71:518 72:1869 74:2609
75:489 76:330 77:955 78:937 79:502 80:1279
81:956 82:642 83:539 84:626 85:1148 86:796
87:933 88:339 89:1802 90:305 91:5083 92:589
93:1466 94:1582 95:1264 96:401 97:317 98:895
99:39 100:22 101:255 103:1357 105:512 106:112
107:189 108:416 109:1898 110:793 111:949 112:433
113:668 114:647 115:840 116:922 117:727 118:945
119:1228 120:361 121:697 122:1654 123:1162 124:1346
125:1266 128:553 129:183 130:267 131:640 132:298
133:22 134:245 135:61 136:215 137:242 138:346
139:185 140:496 141:262 142:450 143:379 144:494
145:78 146:514 147:295 148:768 149:319 150:154
151:186 152:455 153:175 154:19 155:404 156:222
157:381 158:189 159:632 160:348 161:400 162:385
163:187 164:683 165:411 166:579 167:530 168:964
169:126 170:907 171:149 172:5 173:1731 174:630
175:433 176:592 177:1004 178:1680 180:1332 181:118
182:1030 183:204 184:574 186:2046 187:1121 188:1409
189:1589 190:6125 192:6024 193:5676 194:4543 195:3460
196:1239 197:200 198:3699 199:4892 200:6014 201:1974
202:8675 203:8662 204:4396 205:2532 206:2814 207:2800
208:4044 209:3633 210:2769 211:1550 212:2013 213:1800
214:875 215:86 216:5086 217:1556 218:561 219:313
220:1240 221:572 222:334 223:372
End of report