Routing Table Report 04:00 +10GMT Thu 02 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 453163
Prefixes after maximum aggregation: 185105
Deaggregation factor: 2.45
Unique aggregates announced to Internet: 223568
Total ASes present in the Internet Routing Table: 43990
Prefixes per ASN: 10.30
Origin-only ASes present in the Internet Routing Table: 34561
Origin ASes announcing only one prefix: 16096
Transit ASes present in the Internet Routing Table: 5819
Transit-only ASes present in the Internet Routing Table: 146
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 39
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 320
Unregistered ASNs in the Routing Table: 136
Number of 32-bit ASNs allocated by the RIRs: 4749
Number of 32-bit ASNs visible in the Routing Table: 3610
Prefixes from 32-bit ASNs in the Routing Table: 10265
Special use prefixes present in the Routing Table: 21
Prefixes being announced from unallocated address space: 194
Number of addresses announced to Internet: 2616382700
Equivalent to 155 /8s, 242 /16s and 212 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.4
Total number of prefixes smaller than registry allocations: 159832
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108663
Total APNIC prefixes after maximum aggregation: 33430
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109932
Unique aggregates announced from the APNIC address blocks: 44618
APNIC Region origin ASes present in the Internet Routing Table: 4839
APNIC Prefixes per ASN: 22.72
APNIC Region origin ASes announcing only one prefix: 1226
APNIC Region transit ASes present in the Internet Routing Table: 820
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 515
Number of APNIC addresses announced to Internet: 721150688
Equivalent to 42 /8s, 251 /16s and 226 /24s
Percentage of available APNIC address space announced: 84.3
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 131072-133119
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: 159043
Total ARIN prefixes after maximum aggregation: 80031
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 159676
Unique aggregates announced from the ARIN address blocks: 73108
ARIN Region origin ASes present in the Internet Routing Table: 15674
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5964
ARIN Region transit ASes present in the Internet Routing Table: 1625
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 39
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1063313536
Equivalent to 63 /8s, 96 /16s and 224 /24s
Percentage of available ARIN address space announced: 56.3
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: 116827
Total RIPE prefixes after maximum aggregation: 59658
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120341
Unique aggregates announced from the RIPE address blocks: 77401
RIPE Region origin ASes present in the Internet Routing Table: 17156
RIPE Prefixes per ASN: 7.01
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2796
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: 2311
Number of RIPE addresses announced to Internet: 657066084
Equivalent to 39 /8s, 42 /16s and 8 /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: 47464
Total LACNIC prefixes after maximum aggregation: 9420
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 51592
Unique aggregates announced from the LACNIC address blocks: 24413
LACNIC Region origin ASes present in the Internet Routing Table: 1913
LACNIC Prefixes per ASN: 26.97
LACNIC Region origin ASes announcing only one prefix: 565
LACNIC Region transit ASes present in the Internet Routing Table: 352
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 760
Number of LACNIC addresses announced to Internet: 128154152
Equivalent to 7 /8s, 163 /16s and 122 /24s
Percentage of available LACNIC address space announced: 76.4
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-62463, 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: 10817
Total AfriNIC prefixes after maximum aggregation: 2526
AfriNIC Deaggregation factor: 4.28
Prefixes being announced from the AfriNIC address blocks: 11428
Unique aggregates announced from the AfriNIC address blocks: 3849
AfriNIC Region origin ASes present in the Internet Routing Table: 625
AfriNIC Prefixes per ASN: 18.28
AfriNIC Region origin ASes announcing only one prefix: 191
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.7
Max AfriNIC Region AS path length visible: 18
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46355712
Equivalent to 2 /8s, 195 /16s and 85 /24s
Percentage of available AfriNIC address space announced: 46.1
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 2950 11558 922 Korea Telecom (KIX)
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1892 320 108 TPG Internet Pty Ltd
4755 1725 390 190 TATA Communications formerly
9829 1509 1205 40 BSNL National Internet Backbo
9583 1285 98 533 Sify Limited
7552 1174 1064 12 Vietel Corporation
4808 1116 2109 327 CNCGROUP IP network: China169
9498 1097 310 73 BHARTI Airtel Ltd.
24560 1072 385 166 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 3031 3693 84 bellsouth.net, inc.
7029 2144 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications, Inc.
20115 1669 1610 613 Charter Communications
4323 1610 1139 399 Time Warner Telecom
30036 1332 297 659 Mediacom Communications Corp
7018 1316 10821 854 AT&T WorldNet Services
11492 1240 228 330 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 1749 544 16 Corbina telecom
2118 1390 97 13 EUnet/RELCOM Autonomous Syste
34984 1167 237 212 BILISIM TELEKOM
12479 840 785 66 Uni2 Autonomous System
13188 834 99 64 Educational Network
20940 828 289 655 Akamai Technologies European
31148 793 41 21 FreeNet ISP
8551 771 370 43 Bezeq International
6830 770 2376 442 UPC Distribution Services
34744 672 180 53 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 2672 1470 104 NET Servicos de Comunicao S.A
10620 2384 413 215 TVCABLE BOGOTA
7303 1688 1156 219 Telecom Argentina Stet-France
8151 1233 2698 389 UniNet S.A. de C.V.
6503 1015 435 69 AVANTEL, S.A.
18881 909 780 19 Global Village Telecom
27947 816 88 95 Telconet S.A
11830 716 364 14 Instituto Costarricense de El
7738 698 1370 35 Telecomunicacoes da Bahia S.A
3816 697 306 85 Empresa Nacional de Telecomun
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 1237 80 4 MOBITEL
24863 886 274 34 LINKdotNET AS number
6713 539 617 25 Itissalat Al-MAGHRIB
8452 462 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 262 906 220 The Internet Solution
15706 222 32 6 Sudatel Internet Exchange Aut
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
36992 189 527 21 Etisalat MISR
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 3031 3693 84 bellsouth.net, inc.
4766 2950 11558 922 Korea Telecom (KIX)
28573 2672 1470 104 NET Servicos de Comunicao S.A
17974 2513 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2384 413 215 TVCABLE BOGOTA
7029 2144 1265 211 Windstream Communications Inc
18566 2067 382 184 Covad Communications
1785 1990 677 124 PaeTec Communications, Inc.
22773 1969 2929 125 Cox Communications, Inc.
7545 1892 320 108 TPG Internet Pty Ltd
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 2672 2568 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2384 2169 TVCABLE BOGOTA
4766 2950 2028 Korea Telecom (KIX)
7029 2144 1933 Windstream Communications Inc
18566 2067 1883 Covad Communications
1785 1990 1866 PaeTec Communications, Inc.
22773 1969 1844 Cox Communications, Inc.
7545 1892 1784 TPG Internet Pty Ltd
8402 1749 1733 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
26064 UNALLOCATED 12.149.37.0/24 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 2876 Jump Management SRL
128.0.16.0/21 43568 RIPE Network Coordination Cen
128.0.24.0/21 41794 Altline LLC
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.61.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.62.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.63.0/24 9050 RTD-ROMTELECOM Autonomous Sys
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
41.222.80.0/21 37110 Moztel LDA
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.
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 /9:13 /10:29 /11:87 /12:250
/13:487 /14:887 /15:1571 /16:12690 /17:6643 /18:11140
/19:22084 /20:32000 /21:34040 /22:47253 /23:42021 /24:237841
/25:1362 /26:1760 /27:863 /28:36 /29:59 /30:14
/31:0 /32:17
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1738 3031 bellsouth.net, inc.
7029 1606 2144 Windstream Communications Inc
8402 1454 1749 Corbina telecom
22773 1279 1969 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1206 1332 Mediacom Communications Corp
11492 1199 1240 Cable One
1785 1061 1990 PaeTec Communications, Inc.
6983 1007 1133 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:780 2:753 3:3 4:15 5:879 6:5
8:553 12:1920 13:3 14:775 15:11 16:3
17:9 20:18 23:274 24:1760 27:1497 31:1267
32:43 33:2 34:5 36:44 37:1815 38:869
39:2 40:172 41:2821 42:186 44:6 46:1877
47:2 49:630 50:680 52:12 54:32 55:7
57:26 58:1142 59:567 60:307 61:1392 62:1082
63:2037 64:4321 65:2169 66:4310 67:2064 68:1132
69:3247 70:872 71:536 72:1954 74:2549 75:417
76:289 77:1113 78:1048 79:579 80:1264 81:989
82:622 83:561 84:524 85:1165 86:463 87:979
88:537 89:1789 90:280 91:5485 92:625 93:1714
94:1853 95:1520 96:523 97:342 98:1049 99:41
100:29 101:318 103:2521 105:519 106:144 107:209
108:523 109:1841 110:868 111:1050 112:507 113:787
114:703 115:938 116:893 117:791 118:1061 119:1262
120:402 121:721 122:1762 123:1234 124:1342 125:1336
128:630 129:224 130:322 131:650 132:339 133:149
134:253 135:66 136:222 137:250 138:346 139:196
140:207 141:323 142:549 143:391 144:488 145:92
146:507 147:389 148:689 149:371 150:158 151:566
152:419 153:195 154:43 155:400 156:265 157:393
158:276 159:724 160:339 161:425 162:411 163:212
164:591 165:449 166:308 167:583 168:1032 169:133
170:1027 171:178 172:4 173:1606 174:583 175:465
176:1261 177:1925 178:1830 179:5 180:1413 181:415
182:1149 183:384 184:670 185:391 186:2314 187:1319
188:2043 189:1350 190:6207 192:6569 193:5843 194:4665
195:3452 196:1343 197:907 198:4407 199:5287 200:5893
201:2404 202:8879 203:8822 204:4516 205:2555 206:2838
207:2867 208:4062 209:3615 210:2949 211:1555 212:2051
213:1907 214:916 215:98 216:5248 217:1569 218:619
219:330 220:1278 221:555 222:317 223:442
End of report