Routing Table Report 04:00 +10GMT Fri 24 May, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 455934
Prefixes after maximum aggregation: 185619
Deaggregation factor: 2.46
Unique aggregates announced to Internet: 224824
Total ASes present in the Internet Routing Table: 44157
Prefixes per ASN: 10.33
Origin-only ASes present in the Internet Routing Table: 34643
Origin ASes announcing only one prefix: 16120
Transit ASes present in the Internet Routing Table: 5857
Transit-only ASes present in the Internet Routing Table: 153
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 54
Max AS path prepend of ASN ( 56484) 51
Prefixes from unregistered ASNs in the Routing Table: 313
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 4773
Number of 32-bit ASNs visible in the Routing Table: 3657
Prefixes from 32-bit ASNs in the Routing Table: 10454
Special use prefixes present in the Routing Table: 26
Prefixes being announced from unallocated address space: 246
Number of addresses announced to Internet: 2618577100
Equivalent to 156 /8s, 20 /16s and 80 /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: 94.5
Total number of prefixes smaller than registry allocations: 160305
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110099
Total APNIC prefixes after maximum aggregation: 33483
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 111503
Unique aggregates announced from the APNIC address blocks: 44837
APNIC Region origin ASes present in the Internet Routing Table: 4848
APNIC Prefixes per ASN: 23.00
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 827
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: 535
Number of APNIC addresses announced to Internet: 722416128
Equivalent to 43 /8s, 15 /16s and 50 /24s
Percentage of available APNIC address space announced: 84.4
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: 159673
Total ARIN prefixes after maximum aggregation: 80436
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 160223
Unique aggregates announced from the ARIN address blocks: 73441
ARIN Region origin ASes present in the Internet Routing Table: 15710
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5984
ARIN Region transit ASes present in the Internet Routing Table: 1633
Average ARIN Region AS path length visible: 4.2
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: 1063374400
Equivalent to 63 /8s, 97 /16s and 206 /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: 117168
Total RIPE prefixes after maximum aggregation: 59853
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120740
Unique aggregates announced from the RIPE address blocks: 78057
RIPE Region origin ASes present in the Internet Routing Table: 17193
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8159
RIPE Region transit ASes present in the Internet Routing Table: 2817
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2339
Number of RIPE addresses announced to Internet: 656416100
Equivalent to 39 /8s, 32 /16s and 29 /24s
Percentage of available RIPE address space announced: 95.4
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: 47586
Total LACNIC prefixes after maximum aggregation: 9300
LACNIC Deaggregation factor: 5.12
Prefixes being announced from the LACNIC address blocks: 51774
Unique aggregates announced from the LACNIC address blocks: 24362
LACNIC Region origin ASes present in the Internet Routing Table: 1936
LACNIC Prefixes per ASN: 26.74
LACNIC Region origin ASes announcing only one prefix: 571
LACNIC Region transit ASes present in the Internet Routing Table: 354
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 758
Number of LACNIC addresses announced to Internet: 129637160
Equivalent to 7 /8s, 186 /16s and 27 /24s
Percentage of available LACNIC address space announced: 77.3
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: 10870
Total AfriNIC prefixes after maximum aggregation: 2506
AfriNIC Deaggregation factor: 4.34
Prefixes being announced from the AfriNIC address blocks: 11448
Unique aggregates announced from the AfriNIC address blocks: 3899
AfriNIC Region origin ASes present in the Internet Routing Table: 632
AfriNIC Prefixes per ASN: 18.11
AfriNIC Region origin ASes announcing only one prefix: 187
AfriNIC Region transit ASes present in the Internet Routing Table: 136
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: 46440704
Equivalent to 2 /8s, 196 /16s and 161 /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 2959 11559 926 Korea Telecom (KIX)
17974 2513 838 90 PT TELEKOMUNIKASI INDONESIA
7545 1983 320 108 TPG Internet Pty Ltd
4755 1736 391 192 TATA Communications formerly
9829 1499 1205 40 BSNL National Internet Backbo
9583 1219 91 502 Sify Limited
7552 1167 1064 12 Vietel Corporation
4808 1140 2130 331 CNCGROUP IP network: China169
9498 1112 309 72 BHARTI Airtel Ltd.
24560 1069 393 166 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 3018 3693 79 bellsouth.net, inc.
7029 2217 1265 211 Windstream Communications Inc
18566 2066 382 184 Covad Communications
1785 1991 677 124 PaeTec Communications, Inc.
22773 1979 2929 125 Cox Communications, Inc.
20115 1671 1610 612 Charter Communications
4323 1609 1138 398 Time Warner Telecom
30036 1325 295 649 Mediacom Communications Corp
7018 1307 11074 839 AT&T WorldNet Services
11492 1232 220 343 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 1864 544 16 Corbina telecom
2118 1260 97 13 EUnet/RELCOM Autonomous Syste
34984 1203 240 227 BILISIM TELEKOM
20940 854 297 672 Akamai Technologies European
13188 827 98 73 Educational Network
31148 794 39 23 FreeNet ISP
6830 770 2376 443 UPC Distribution Services
8551 770 370 43 Bezeq International
34744 683 173 56 SC GVM SISTEM 2003 SRL
58113 666 74 386 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
28573 2763 1537 114 NET Servicos de Comunicao S.A
10620 2624 412 226 TVCABLE BOGOTA
7303 1722 1153 221 Telecom Argentina Stet-France
8151 1258 2707 396 UniNet S.A. de C.V.
18881 949 780 19 Global Village Telecom
6503 904 435 68 AVANTEL, S.A.
27947 837 89 101 Telconet S.A
3816 706 306 85 Empresa Nacional de Telecomun
7738 698 1370 35 Telecomunicacoes da Bahia S.A
11172 609 87 64 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 1237 80 4 MOBITEL
24863 880 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 443 956 9 TEDATA
24835 344 80 8 RAYA Telecom - Egypt
3741 261 906 220 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 22 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 3018 3693 79 bellsouth.net, inc.
4766 2959 11559 926 Korea Telecom (KIX)
28573 2763 1537 114 NET Servicos de Comunicao S.A
10620 2624 412 226 TVCABLE BOGOTA
17974 2513 838 90 PT TELEKOMUNIKASI INDONESIA
7029 2217 1265 211 Windstream Communications Inc
18566 2066 382 184 Covad Communications
1785 1991 677 124 PaeTec Communications, Inc.
7545 1983 320 108 TPG Internet Pty Ltd
22773 1979 2929 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
28573 2763 2649 NET Servicos de Comunicao S.A
17974 2513 2423 PT TELEKOMUNIKASI INDONESIA
10620 2624 2398 TVCABLE BOGOTA
4766 2959 2033 Korea Telecom (KIX)
7029 2217 2006 Windstream Communications Inc
18566 2066 1882 Covad Communications
7545 1983 1875 TPG Internet Pty Ltd
1785 1991 1867 PaeTec Communications, Inc.
22773 1979 1854 Cox Communications, Inc.
8402 1864 1848 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
128.0.46.0/23 39743 Mobimax Telecom SRL
128.0.52.0/24 60906 NETOPIA SRL
128.0.53.0/24 60993 Totalsoft SA
128.0.54.0/24 60972 Carpatair SA
128.0.57.0/24 60993 Totalsoft SA
128.0.58.0/23 9050 RTD-ROMTELECOM Autonomous Sys
128.0.60.0/24 9050 RTD-ROMTELECOM Autonomous Sys
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 /9:13 /10:30 /11:88 /12:249
/13:483 /14:895 /15:1579 /16:12684 /17:6655 /18:11164
/19:22231 /20:32115 /21:34335 /22:47670 /23:42464 /24:239286
/25:1308 /26:1672 /27:850 /28:47 /29:63 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2017 2066 Covad Communications
6389 1733 3018 bellsouth.net, inc.
7029 1681 2217 Windstream Communications Inc
8402 1557 1864 Corbina telecom
22773 1287 1979 Cox Communications, Inc.
36998 1231 1237 MOBITEL
30036 1195 1325 Mediacom Communications Corp
11492 1193 1232 Cable One
1785 1062 1991 PaeTec Communications, Inc.
6983 1008 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:797 2:813 3:3 4:15 5:886 6:8
8:552 12:1929 13:3 14:827 15:11 16:3
17:9 20:17 23:274 24:1768 27:1478 31:1284
32:57 33:2 34:5 36:28 37:1867 38:876
39:2 40:172 41:2778 42:193 44:6 46:1910
47:2 49:588 50:709 52:12 54:33 55:8
57:26 58:1192 59:574 60:313 61:1404 62:1110
63:2028 64:4333 65:2182 66:4363 67:2056 68:1130
69:3313 70:880 71:541 72:1922 74:2567 75:416
76:307 77:1110 78:1050 79:590 80:1261 81:989
82:623 83:570 84:532 85:1164 86:458 87:981
88:538 89:1765 90:144 91:5484 92:592 93:1700
94:1839 95:1564 96:513 97:344 98:1054 99:41
100:30 101:331 103:2630 105:519 106:92 107:209
108:518 109:1822 110:889 111:1035 112:514 113:800
114:721 115:1031 116:929 117:797 118:1076 119:1299
120:439 121:725 122:1804 123:1229 124:1352 125:1370
128:642 129:220 130:324 131:646 132:345 133:149
134:267 135:66 136:221 137:261 138:344 139:196
140:206 141:328 142:544 143:375 144:484 145:93
146:512 147:394 148:682 149:374 150:158 151:573
152:416 153:199 154:43 155:395 156:264 157:398
158:278 159:730 160:338 161:430 162:444 163:218
164:594 165:498 166:296 167:589 168:1033 169:129
170:1028 171:180 172:21 173:1671 174:585 175:482
176:1104 177:1992 178:1868 179:8 180:1466 181:397
182:1197 183:385 184:673 185:460 186:2261 187:1295
188:2137 189:1317 190:6331 192:6632 193:5869 194:4587
195:3418 196:1362 197:913 198:4440 199:5318 200:5909
201:2240 202:8922 203:8903 204:4501 205:2574 206:2844
207:2890 208:4053 209:3622 210:2993 211:1518 212:2203
213:1937 214:916 215:98 216:5244 217:1608 218:617
219:330 220:1260 221:558 222:318 223:486
End of report