Routing Table Report 04:00 +10GMT Thu 25 Jul, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 460126
Prefixes after maximum aggregation: 186940
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 228811
Total ASes present in the Internet Routing Table: 44587
Prefixes per ASN: 10.32
Origin-only ASes present in the Internet Routing Table: 34888
Origin ASes announcing only one prefix: 16210
Transit ASes present in the Internet Routing Table: 5894
Transit-only ASes present in the Internet Routing Table: 148
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 3605
Unregistered ASNs in the Routing Table: 1448
Number of 32-bit ASNs allocated by the RIRs: 4890
Number of 32-bit ASNs visible in the Routing Table: 3805
Prefixes from 32-bit ASNs in the Routing Table: 11459
Special use prefixes present in the Routing Table: 29
Prefixes being announced from unallocated address space: 268
Number of addresses announced to Internet: 2631801708
Equivalent to 156 /8s, 222 /16s and 27 /24s
Percentage of available address space announced: 71.1
Percentage of allocated address space announced: 71.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.7
Total number of prefixes smaller than registry allocations: 161061
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110357
Total APNIC prefixes after maximum aggregation: 33872
APNIC Deaggregation factor: 3.26
Prefixes being announced from the APNIC address blocks: 112346
Unique aggregates announced from the APNIC address blocks: 46277
APNIC Region origin ASes present in the Internet Routing Table: 4862
APNIC Prefixes per ASN: 23.11
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 831
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 611
Number of APNIC addresses announced to Internet: 726258656
Equivalent to 43 /8s, 73 /16s and 211 /24s
Percentage of available APNIC address space announced: 84.9
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: 159626
Total ARIN prefixes after maximum aggregation: 80754
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160217
Unique aggregates announced from the ARIN address blocks: 74283
ARIN Region origin ASes present in the Internet Routing Table: 15803
ARIN Prefixes per ASN: 10.14
ARIN Region origin ASes announcing only one prefix: 6001
ARIN Region transit ASes present in the Internet Routing Table: 1649
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 19
Number of ARIN addresses announced to Internet: 1068197952
Equivalent to 63 /8s, 171 /16s and 104 /24s
Percentage of available ARIN address space announced: 56.5
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, 62464-63487, 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: 118233
Total RIPE prefixes after maximum aggregation: 60229
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 121782
Unique aggregates announced from the RIPE address blocks: 78688
RIPE Region origin ASes present in the Internet Routing Table: 17312
RIPE Prefixes per ASN: 7.03
RIPE Region origin ASes announcing only one prefix: 8218
RIPE Region transit ASes present in the Internet Routing Table: 2828
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2378
Number of RIPE addresses announced to Internet: 656748708
Equivalent to 39 /8s, 37 /16s and 48 /24s
Percentage of available RIPE address space announced: 95.5
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: 48793
Total LACNIC prefixes after maximum aggregation: 9506
LACNIC Deaggregation factor: 5.13
Prefixes being announced from the LACNIC address blocks: 53347
Unique aggregates announced from the LACNIC address blocks: 25363
LACNIC Region origin ASes present in the Internet Routing Table: 1989
LACNIC Prefixes per ASN: 26.82
LACNIC Region origin ASes announcing only one prefix: 582
LACNIC Region transit ASes present in the Internet Routing Table: 365
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 791
Number of LACNIC addresses announced to Internet: 133746344
Equivalent to 7 /8s, 248 /16s and 206 /24s
Percentage of available LACNIC address space announced: 79.7
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11572
Total AfriNIC prefixes after maximum aggregation: 2539
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12166
Unique aggregates announced from the AfriNIC address blocks: 3952
AfriNIC Region origin ASes present in the Internet Routing Table: 641
AfriNIC Prefixes per ASN: 18.98
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 134
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: 6
Number of AfriNIC addresses announced to Internet: 46516736
Equivalent to 2 /8s, 197 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2918 11561 920 Korea Telecom (KIX)
17974 2620 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2032 320 109 TPG Internet Pty Ltd
4755 1762 391 194 TATA Communications formerly
9829 1532 1221 45 BSNL National Internet Backbo
9583 1223 92 504 Sify Limited
4808 1171 2152 336 CNCGROUP IP network: China169
9498 1167 309 71 BHARTI Airtel Ltd.
7552 1160 1080 13 Vietel Corporation
24560 1085 394 164 Bharti Airtel Ltd., Telemedia
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
6389 2985 3690 67 bellsouth.net, inc.
18566 2067 382 184 Covad Communications
1785 2001 678 126 PaeTec Communications, Inc.
22773 2000 2927 124 Cox Communications, Inc.
20115 1670 1623 622 Charter Communications
4323 1616 1118 405 Time Warner Telecom
701 1524 11120 802 UUNET Technologies, Inc.
30036 1350 304 654 Mediacom Communications Corp
7018 1300 11035 823 AT&T WorldNet Services
11492 1224 218 360 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 1613 544 16 Corbina telecom
34984 1296 244 222 BILISIM TELEKOM
2118 1235 97 13 EUnet/RELCOM Autonomous Syste
31148 975 43 22 FreeNet ISP
20940 932 324 732 Akamai Technologies European
13188 838 98 81 Educational Network
6830 831 2372 441 UPC Distribution Services
8551 780 370 45 Bezeq International
12479 685 793 56 Uni2 Autonomous System
34744 625 168 80 SC GVM SISTEM 2003 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
28573 2947 1591 110 NET Servicos de Comunicao S.A
10620 2653 419 229 TVCABLE BOGOTA
7303 1729 1155 219 Telecom Argentina Stet-France
8151 1275 2756 384 UniNet S.A. de C.V.
18881 1247 844 20 Global Village Telecom
27947 833 94 91 Telconet S.A
6503 819 434 63 AVANTEL, S.A.
3816 717 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 620 88 65 Servicios Alestra S.A de C.V
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
36998 1815 112 5 MOBITEL
24863 881 274 30 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 438 956 9 TEDATA
24835 345 80 8 RAYA Telecom - Egypt
3741 259 922 218 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 206 527 22 Etisalat MISR
12258 193 28 71 Vodacom Internet Company
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
6389 2985 3690 67 bellsouth.net, inc.
28573 2947 1591 110 NET Servicos de Comunicao S.A
4766 2918 11561 920 Korea Telecom (KIX)
10620 2653 419 229 TVCABLE BOGOTA
17974 2620 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2067 382 184 Covad Communications
7545 2032 320 109 TPG Internet Pty Ltd
1785 2001 678 126 PaeTec Communications, Inc.
22773 2000 2927 124 Cox Communications, Inc.
36998 1815 112 5 MOBITEL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
28573 2947 2837 NET Servicos de Comunicao S.A
17974 2620 2528 PT TELEKOMUNIKASI INDONESIA
10620 2653 2424 TVCABLE BOGOTA
4766 2918 1998 Korea Telecom (KIX)
7545 2032 1923 TPG Internet Pty Ltd
18566 2067 1883 Covad Communications
22773 2000 1876 Cox Communications, Inc.
1785 2001 1875 PaeTec Communications, Inc.
36998 1815 1810 MOBITEL
8402 1613 1597 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/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
30031 UNALLOCATED 12.27.122.0/24 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
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
30621 UNALLOCATED 12.151.74.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2541 >>UNKNOWN<<
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.40.0/24 60449 >>UNKNOWN<<
128.0.42.0/24 60619 >>UNKNOWN<<
128.0.43.0/24 60619 >>UNKNOWN<<
128.0.45.0/24 60657 >>UNKNOWN<<
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.185.224.0/24 27431 JTL Networks Inc.
64.185.225.0/24 27431 JTL Networks Inc.
64.185.226.0/24 27431 JTL Networks Inc.
64.185.227.0/24 27431 JTL Networks Inc.
64.185.228.0/24 27431 JTL Networks Inc.
64.185.229.0/24 27431 JTL Networks Inc.
64.185.230.0/24 27431 JTL Networks Inc.
64.185.231.0/24 27431 JTL Networks Inc.
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 /8:16 /9:11 /10:30 /11:92 /12:251
/13:478 /14:907 /15:1604 /16:12731 /17:6654 /18:11036
/19:22491 /20:32086 /21:34661 /22:48632 /23:42458 /24:242050
/25:1298 /26:1640 /27:850 /28:44 /29:70 /30:18
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
36998 1780 1815 MOBITEL
6389 1715 2985 bellsouth.net, inc.
8402 1304 1613 Corbina telecom
22773 1302 2000 Cox Communications, Inc.
30036 1216 1350 Mediacom Communications Corp
11492 1185 1224 Cable One
1785 1070 2001 PaeTec Communications, Inc.
6983 1020 1147 ITC^Deltacom
10620 980 2653 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:821 2:709 3:3 4:19 5:842 6:17
8:571 12:1914 13:2 14:864 15:11 16:3
17:10 20:17 23:296 24:1766 27:1503 31:1315
32:45 33:2 34:5 36:60 37:1848 38:891
39:2 40:175 41:3282 42:232 44:8 46:1942
47:2 49:672 50:780 52:12 54:34 55:7
57:26 58:1156 59:582 60:328 61:1423 62:1124
63:2014 64:4353 65:2153 66:4184 67:2017 68:1092
69:3283 70:797 71:490 72:1916 74:2505 75:323
76:306 77:1118 78:1059 79:616 80:1296 81:1010
82:635 83:581 84:580 85:1205 86:466 87:1026
88:544 89:1794 90:150 91:5544 92:619 93:1751
94:1926 95:1646 96:520 97:343 98:1027 99:43
100:30 101:345 103:3019 105:521 106:139 107:208
108:519 109:1859 110:944 111:1073 112:561 113:818
114:700 115:1012 116:956 117:831 118:1123 119:1296
120:392 121:739 122:1802 123:1235 124:1372 125:1388
128:642 129:223 130:309 131:668 132:356 133:160
134:268 135:72 136:239 137:242 138:342 139:191
140:211 141:328 142:536 143:385 144:514 145:98
146:534 147:405 148:665 149:351 150:149 151:553
152:414 153:189 154:28 155:418 156:266 157:393
158:278 159:743 160:348 161:446 162:497 163:226
164:583 165:506 166:253 167:596 168:1032 169:128
170:1064 171:184 172:23 173:1607 174:551 175:497
176:1130 177:2139 178:1861 179:65 180:1486 181:540
182:1269 183:420 184:667 185:672 186:2303 187:1363
188:1879 189:1296 190:6543 192:6936 193:5709 194:4707
195:3594 196:1350 197:938 198:4550 199:5357 200:6017
201:2191 202:8835 203:8889 204:4506 205:2595 206:2832
207:2854 208:4007 209:3573 210:2924 211:1521 212:2229
213:2015 214:928 215:99 216:5262 217:1614 218:618
219:313 220:1284 221:556 222:321 223:447
End of report