Routing Table Report 04:00 +10GMT Thu 18 Apr, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 450175
Prefixes after maximum aggregation: 184522
Deaggregation factor: 2.44
Unique aggregates announced to Internet: 222309
Total ASes present in the Internet Routing Table: 43865
Prefixes per ASN: 10.26
Origin-only ASes present in the Internet Routing Table: 34507
Origin ASes announcing only one prefix: 16078
Transit ASes present in the Internet Routing Table: 5789
Transit-only ASes present in the Internet Routing Table: 141
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: 373
Unregistered ASNs in the Routing Table: 139
Number of 32-bit ASNs allocated by the RIRs: 4729
Number of 32-bit ASNs visible in the Routing Table: 3569
Prefixes from 32-bit ASNs in the Routing Table: 10138
Special use prefixes present in the Routing Table: 22
Prefixes being announced from unallocated address space: 219
Number of addresses announced to Internet: 2613652428
Equivalent to 155 /8s, 201 /16s and 43 /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: 158647
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 108267
Total APNIC prefixes after maximum aggregation: 33389
APNIC Deaggregation factor: 3.24
Prefixes being announced from the APNIC address blocks: 109483
Unique aggregates announced from the APNIC address blocks: 44446
APNIC Region origin ASes present in the Internet Routing Table: 4824
APNIC Prefixes per ASN: 22.70
APNIC Region origin ASes announcing only one prefix: 1219
APNIC Region transit ASes present in the Internet Routing Table: 814
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: 498
Number of APNIC addresses announced to Internet: 720737088
Equivalent to 42 /8s, 245 /16s and 147 /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: 158173
Total ARIN prefixes after maximum aggregation: 79757
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 158830
Unique aggregates announced from the ARIN address blocks: 72616
ARIN Region origin ASes present in the Internet Routing Table: 15651
ARIN Prefixes per ASN: 10.15
ARIN Region origin ASes announcing only one prefix: 5955
ARIN Region transit ASes present in the Internet Routing Table: 1618
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: 1062905216
Equivalent to 63 /8s, 90 /16s and 165 /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: 116443
Total RIPE prefixes after maximum aggregation: 59437
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 120022
Unique aggregates announced from the RIPE address blocks: 77042
RIPE Region origin ASes present in the Internet Routing Table: 17137
RIPE Prefixes per ASN: 7.00
RIPE Region origin ASes announcing only one prefix: 8156
RIPE Region transit ASes present in the Internet Routing Table: 2789
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: 2296
Number of RIPE addresses announced to Internet: 656514276
Equivalent to 39 /8s, 33 /16s and 156 /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: 46901
Total LACNIC prefixes after maximum aggregation: 9400
LACNIC Deaggregation factor: 4.99
Prefixes being announced from the LACNIC address blocks: 50918
Unique aggregates announced from the LACNIC address blocks: 24152
LACNIC Region origin ASes present in the Internet Routing Table: 1898
LACNIC Prefixes per ASN: 26.83
LACNIC Region origin ASes announcing only one prefix: 560
LACNIC Region transit ASes present in the Internet Routing Table: 351
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: 750
Number of LACNIC addresses announced to Internet: 126849064
Equivalent to 7 /8s, 143 /16s and 144 /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: 10113
Total AfriNIC prefixes after maximum aggregation: 2491
AfriNIC Deaggregation factor: 4.06
Prefixes being announced from the AfriNIC address blocks: 10703
Unique aggregates announced from the AfriNIC address blocks: 3849
AfriNIC Region origin ASes present in the Internet Routing Table: 617
AfriNIC Prefixes per ASN: 17.35
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: 46194432
Equivalent to 2 /8s, 192 /16s and 223 /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 2952 11557 922 Korea Telecom (KIX)
17974 2512 839 89 PT TELEKOMUNIKASI INDONESIA
7545 1887 320 109 TPG Internet Pty Ltd
4755 1735 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 1107 2109 325 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 3036 3694 87 bellsouth.net, inc.
7029 2172 1265 212 Windstream Communications Inc
18566 2068 382 184 Covad Communications
22773 2017 2929 125 Cox Communications, Inc.
1785 1974 677 122 PaeTec Communications, Inc.
20115 1670 1612 612 Charter Communications
4323 1609 1139 398 Time Warner Telecom
30036 1343 296 657 Mediacom Communications Corp
7018 1315 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 1832 544 16 Corbina telecom
2118 1430 97 13 EUnet/RELCOM Autonomous Syste
34984 1151 235 207 BILISIM TELEKOM
12479 845 786 66 Uni2 Autonomous System
13188 836 99 36 Educational Network
20940 818 286 653 Akamai Technologies European
31148 794 41 22 FreeNet ISP
6830 754 2318 441 UPC Distribution Services
58113 666 74 386 LIR DATACENTER TELECOM SRL
34744 656 174 37 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 2628 1451 99 NET Servicos de Comunicao S.A
10620 2366 409 218 TVCABLE BOGOTA
7303 1677 1153 212 Telecom Argentina Stet-France
8151 1232 2688 397 UniNet S.A. de C.V.
6503 1043 437 69 AVANTEL, S.A.
18881 858 717 19 Global Village Telecom
27947 804 88 96 Telconet S.A
11830 725 364 14 Instituto Costarricense de El
3816 697 306 85 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 690 274 33 LINKdotNET AS number
6713 543 617 25 Itissalat Al-MAGHRIB
8452 361 956 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 3036 3694 87 bellsouth.net, inc.
4766 2952 11557 922 Korea Telecom (KIX)
28573 2628 1451 99 NET Servicos de Comunicao S.A
17974 2512 839 89 PT TELEKOMUNIKASI INDONESIA
10620 2366 409 218 TVCABLE BOGOTA
7029 2172 1265 212 Windstream Communications Inc
18566 2068 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 2628 2529 NET Servicos de Comunicao S.A
17974 2512 2423 PT TELEKOMUNIKASI INDONESIA
10620 2366 2148 TVCABLE BOGOTA
4766 2952 2030 Korea Telecom (KIX)
7029 2172 1960 Windstream Communications Inc
22773 2017 1892 Cox Communications, Inc.
18566 2068 1884 Covad Communications
1785 1974 1852 PaeTec Communications, Inc.
8402 1832 1816 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
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 /11:88 /12:249
/13:485 /14:884 /15:1564 /16:12698 /17:6614 /18:10922
/19:21791 /20:31930 /21:33763 /22:46718 /23:41718 /24:236530
/25:1385 /26:1764 /27:861 /28:45 /29:68 /30:21
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2019 2068 Covad Communications
6389 1741 3036 bellsouth.net, inc.
7029 1611 2172 Windstream Communications Inc
8402 1532 1832 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 2:787 3:3 4:15 5:862 6:5
8:544 12:1916 13:3 14:770 15:11 16:3
17:9 20:18 23:269 24:1777 27:1450 31:1207
32:43 33:2 34:5 36:43 37:1820 38:862
39:2 40:169 41:2643 42:186 44:6 46:1787
47:2 49:623 50:675 52:12 54:30 55:7
57:27 58:1141 59:589 60:306 61:1452 62:1032
63:2044 64:4311 65:2184 66:4319 67:2072 68:1127
69:3244 70:875 71:532 72:1923 74:2573 75:411
76:295 77:1103 78:1052 79:574 80:1233 81:979
82:610 83:576 84:521 85:1169 86:463 87:958
88:527 89:1806 90:281 91:5491 92:625 93:1706
94:1855 95:1681 96:523 97:342 98:1054 99:41
100:29 101:312 103:2443 105:488 106:145 107:207
108:515 109:1820 110:854 111:1057 112:504 113:782
114:690 115:997 116:876 117:782 118:1026 119:1265
120:390 121:819 122:1730 123:1194 124:1334 125:1331
128:636 129:223 130:322 131:622 132:339 133:149
134:260 135:64 136:223 137:247 138:344 139:187
140:199 141:318 142:544 143:371 144:489 145:90
146:506 147:388 148:693 149:368 150:165 151:527
152:419 153:194 154:44 155:394 156:260 157:392
158:268 159:718 160:338 161:424 162:379 163:201
164:592 165:448 166:335 167:577 168:1028 169:133
170:1027 171:173 172:5 173:1603 174:593 175:451
176:1237 177:1872 178:1819 179:3 180:1405 181:384
182:1134 183:372 184:665 185:367 186:2308 187:1269
188:2013 189:1293 190:6120 192:6509 193:5834 194:4647
195:3633 196:1334 197:830 198:4334 199:5286 200:5925
201:2360 202:8843 203:8762 204:4526 205:2550 206:2822
207:2837 208:4073 209:3582 210:2939 211:1564 212:2036
213:1902 214:921 215:98 216:5195 217:1563 218:619
219:346 220:1267 221:548 222:313 223:447
End of report