Routing Table Report 04:00 +10GMT Fri 19 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450619
Prefixes after maximum aggregation: 184510
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222508
Total ASes present in the Internet Routing Table: 43879
Prefixes per ASN: 10.27
Origin-only ASes present in the Internet Routing Table: 34514
Origin ASes announcing only one prefix: 16080
Transit ASes present in the Internet Routing Table: 5789
Transit-only ASes present in the Internet Routing Table: 143
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 369
Unregistered ASNs in the Routing Table: 138
Number of 32-bit ASNs allocated by the RIRs: 4730
Number of 32-bit ASNs visible in the Routing Table: 3576
Prefixes from 32-bit ASNs in the Routing Table: 10170
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 220
Number of addresses announced to Internet: 2613732812
Equivalent to 155 /8s, 202 /16s and 101 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
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: 158660
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108507
Total APNIC prefixes after maximum aggregation: 33424
APNIC Deaggregation factor: 3.25
Prefixes being announced from the APNIC address blocks: 109734
Unique aggregates announced from the APNIC address blocks: 44584
APNIC Region origin ASes present in the Internet Routing Table: 4825
APNIC Prefixes per ASN: 22.74
APNIC Region origin ASes announcing only one prefix: 1214
APNIC Region transit ASes present in the Internet Routing Table: 817
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 22
Number of APNIC region 32-bit ASNs visible in the Routing Table: 501
Number of APNIC addresses announced to Internet: 720808000
Equivalent to 42 /8s, 246 /16s and 168 /24s
Percentage of available APNIC address space announced: 84.2
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: 158273
Total ARIN prefixes after maximum aggregation: 79793
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158934
Unique aggregates announced from the ARIN address blocks: 72597
ARIN Region origin ASes present in the Internet Routing Table: 15654
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5961
ARIN Region transit ASes present in the Internet Routing Table: 1614
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: 18
Number of ARIN addresses announced to Internet: 1062926464
Equivalent to 63 /8s, 90 /16s and 248 /24s
Percentage of available ARIN address space announced: 56.2
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: 116601
Total RIPE prefixes after maximum aggregation: 59441
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120203
Unique aggregates announced from the RIPE address blocks: 77120
RIPE Region origin ASes present in the Internet Routing Table: 17133
RIPE Prefixes per ASN: 7.02
RIPE Region origin ASes announcing only one prefix: 8153
RIPE Region transit ASes present in the Internet Routing Table: 2785
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2297
Number of RIPE addresses announced to Internet: 656522980
Equivalent to 39 /8s, 33 /16s and 190 /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: 46798
Total LACNIC prefixes after maximum aggregation: 9319
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 50835
Unique aggregates announced from the LACNIC address blocks: 24159
LACNIC Region origin ASes present in the Internet Routing Table: 1903
LACNIC Prefixes per ASN: 26.71
LACNIC Region origin ASes announcing only one prefix: 564
LACNIC Region transit ASes present in the Internet Routing Table: 356
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: 753
Number of LACNIC addresses announced to Internet: 126834984
Equivalent to 7 /8s, 143 /16s and 89 /24s
Percentage of available LACNIC address space announced: 75.6
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: 10131
Total AfriNIC prefixes after maximum aggregation: 2485
AfriNIC Deaggregation factor: 4.08
Prefixes being announced from the AfriNIC address blocks: 10693
Unique aggregates announced from the AfriNIC address blocks: 3843
AfriNIC Region origin ASes present in the Internet Routing Table: 617
AfriNIC Prefixes per ASN: 17.33
AfriNIC Region origin ASes announcing only one prefix: 188
AfriNIC Region transit ASes present in the Internet Routing Table: 128
Average AfriNIC Region AS path length visible: 4.8
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 7
Number of AfriNIC addresses announced to Internet: 46190848
Equivalent to 2 /8s, 192 /16s and 209 /24s
Percentage of available AfriNIC address space announced: 45.9
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 2951 11557 922 Korea Telecom (KIX)
17974 2514 839 90 PT TELEKOMUNIKASI INDONESIA
7545 1887 320 109 TPG Internet Pty Ltd
4755 1736 392 198 TATA Communications formerly
9829 1512 1205 40 BSNL National Internet Backbo
9583 1285 98 538 Sify Limited
7552 1170 1064 12 Vietel Corporation
4808 1102 2104 323 CNCGROUP IP network: China169
9498 1076 310 73 BHARTI Airtel Ltd.
24560 1068 385 164 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 3037 3694 87 bellsouth.net, inc.
7029 2173 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
22773 2017 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1668 1612 612 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1343 296 657 Mediacom Communications Corp
7018 1316 10807 853 AT&T WorldNet Services
11492 1238 228 334 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 1836 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1151 235 207 BILISIM TELEKOM
12479 844 786 66 Uni2 Autonomous System
13188 837 99 33 Educational Network
20940 822 288 654 Akamai Technologies European
31148 794 41 22 FreeNet ISP
6830 754 2318 441 UPC Distribution Services
8551 679 370 43 Bezeq International
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 2626 1451 99 NET Servicos de Comunicao S.A
10620 2366 409 218 TVCABLE BOGOTA
7303 1677 1153 212 Telecom Argentina Stet-France
8151 1236 2692 394 UniNet S.A. de C.V.
6503 1068 435 68 AVANTEL, S.A.
18881 858 717 19 Global Village Telecom
27947 808 88 96 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 702 307 87 Empresa Nacional de Telecomun
7738 650 1306 35 Telecomunicacoes da Bahia 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
36998 1137 80 4 MOBITEL
24863 696 274 33 LINKdotNET AS number
6713 542 617 25 Itissalat Al-MAGHRIB
8452 362 956 9 TEDATA
24835 275 80 8 RAYA Telecom - Egypt
3741 261 906 220 The Internet Solution
12258 193 28 67 Vodacom Internet Company
29975 191 667 21 Vodacom
16637 186 697 91 MTN Network Solutions
33776 182 12 19 Starcomms Nigeria Limited
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 3037 3694 87 bellsouth.net, inc.
4766 2951 11557 922 Korea Telecom (KIX)
28573 2626 1451 99 NET Servicos de Comunicao S.A
17974 2514 839 90 PT TELEKOMUNIKASI INDONESIA
10620 2366 409 218 TVCABLE BOGOTA
7029 2173 1265 212 Windstream Communications Inc
18566 2067 382 184 Covad Communications
22773 2017 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
7545 1887 320 109 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 2626 2527 NET Servicos de Comunicao S.A
17974 2514 2424 PT TELEKOMUNIKASI INDONESIA
10620 2366 2148 TVCABLE BOGOTA
4766 2951 2029 Korea Telecom (KIX)
7029 2173 1961 Windstream Communications Inc
22773 2017 1892 Cox Communications, Inc.
18566 2067 1883 Covad Communications
1785 1974 1852 PaeTec Communications, Inc.
8402 1836 1820 Corbina telecom
7545 1887 1778 TPG Internet Pty Ltd
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
128.0.55.0/24 48571 SC efectRO SRL
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
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 /10:29 /11:88 /12:249
/13:485 /14:884 /15:1564 /16:12692 /17:6619 /18:10929
/19:21825 /20:31970 /21:33808 /22:46787 /23:41782 /24:236797
/25:1383 /26:1750 /27:844 /28:30 /29:35 /30:21
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2018 2067 Covad Communications
6389 1741 3037 bellsouth.net, inc.
7029 1611 2173 Windstream Communications Inc
8402 1537 1836 Corbina telecom
22773 1320 2017 Cox Communications, Inc.
30036 1218 1343 Mediacom Communications Corp
11492 1197 1238 Cable One
36998 1131 1137 MOBITEL
1785 1047 1974 PaeTec Communications, Inc.
6983 1006 1134 ITC^Deltacom
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:771 2:790 3:3 4:15 5:863 6:5
8:542 12:1914 13:3 14:772 15:11 16:3
17:9 20:18 23:271 24:1777 27:1464 31:1216
32:43 33:2 34:5 36:44 37:1813 38:863
39:2 40:169 41:2637 42:186 44:6 46:1782
47:2 49:625 50:675 52:12 54:30 55:7
57:27 58:1142 59:590 60:306 61:1456 62:1035
63:2043 64:4311 65:2178 66:4316 67:2076 68:1127
69:3243 70:873 71:532 72:1956 74:2574 75:413
76:295 77:1101 78:1058 79:571 80:1235 81:983
82:610 83:576 84:515 85:1170 86:464 87:959
88:527 89:1804 90:281 91:5488 92:622 93:1712
94:1848 95:1734 96:517 97:341 98:1054 99:41
100:29 101:317 103:2478 105:488 106:145 107:207
108:516 109:1793 110:861 111:1053 112:505 113:784
114:696 115:1013 116:876 117:799 118:1029 119:1275
120:390 121:819 122:1746 123:1194 124:1331 125:1331
128:635 129:223 130:323 131:652 132:339 133:149
134:260 135:64 136:223 137:247 138:342 139:187
140:199 141:320 142:542 143:375 144:488 145:90
146:507 147:391 148:696 149:369 150:164 151:529
152:419 153:194 154:44 155:395 156:262 157:393
158:268 159:718 160:338 161:426 162:380 163:202
164:584 165:448 166:336 167:577 168:1028 169:133
170:1015 171:174 172:5 173:1603 174:587 175:455
176:1247 177:1852 178:1818 179:3 180:1403 181:385
182:1135 183:372 184:665 185:374 186:2329 187:1264
188:2013 189:1304 190:6090 192:6513 193:5834 194:4652
195:3634 196:1333 197:830 198:4331 199:5282 200:5919
201:2363 202:8871 203:8766 204:4528 205:2558 206:2824
207:2835 208:4073 209:3581 210:2946 211:1566 212:2035
213:1906 214:922 215:98 216:5194 217:1571 218:619
219:346 220:1273 221:548 222:313 223:452
End of report
