* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 17 Jan, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437502
Prefixes after maximum aggregation: 181597
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 216068
Total ASes present in the Internet Routing Table: 43047
Prefixes per ASN: 10.16
Origin-only ASes present in the Internet Routing Table: 34032
Origin ASes announcing only one prefix: 15910
Transit ASes present in the Internet Routing Table: 5729
Transit-only ASes present in the Internet Routing Table: 137
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 378
Unregistered ASNs in the Routing Table: 127
Number of 32-bit ASNs allocated by the RIRs: 3658
Number of 32-bit ASNs visible in the Routing Table: 3286
Prefixes from 32-bit ASNs in the Routing Table: 9009
Special use prefixes present in the Routing Table: 16
Prefixes being announced from unallocated address space: 184
Number of addresses announced to Internet: 2625217804
Equivalent to 156 /8s, 121 /16s and 165 /24s
Percentage of available address space announced: 70.9
Percentage of allocated address space announced: 70.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.1
Total number of prefixes smaller than registry allocations: 154178
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105622
Total APNIC prefixes after maximum aggregation: 32994
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 106633
Unique aggregates announced from the APNIC address blocks: 43611
APNIC Region origin ASes present in the Internet Routing Table: 4818
APNIC Prefixes per ASN: 22.13
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 810
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 410
Number of APNIC addresses announced to Internet: 717469312
Equivalent to 42 /8s, 195 /16s and 182 /24s
Percentage of available APNIC address space announced: 83.9
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: 155113
Total ARIN prefixes after maximum aggregation: 78662
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155751
Unique aggregates announced from the ARIN address blocks: 70803
ARIN Region origin ASes present in the Internet Routing Table: 15386
ARIN Prefixes per ASN: 10.12
ARIN Region origin ASes announcing only one prefix: 5808
ARIN Region transit ASes present in the Internet Routing Table: 1588
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1091725952
Equivalent to 65 /8s, 18 /16s and 106 /24s
Percentage of available ARIN address space announced: 57.8
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: 112092
Total RIPE prefixes after maximum aggregation: 58394
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 115149
Unique aggregates announced from the RIPE address blocks: 74425
RIPE Region origin ASes present in the Internet Routing Table: 17025
RIPE Prefixes per ASN: 6.76
RIPE Region origin ASes announcing only one prefix: 8164
RIPE Region transit ASes present in the Internet Routing Table: 2777
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2121
Number of RIPE addresses announced to Internet: 650337764
Equivalent to 38 /8s, 195 /16s and 93 /24s
Percentage of available RIPE address space announced: 94.5
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: 45692
Total LACNIC prefixes after maximum aggregation: 9113
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 49363
Unique aggregates announced from the LACNIC address blocks: 23376
LACNIC Region origin ASes present in the Internet Routing Table: 1776
LACNIC Prefixes per ASN: 27.79
LACNIC Region origin ASes announcing only one prefix: 506
LACNIC Region transit ASes present in the Internet Routing Table: 337
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 27
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 733
Number of LACNIC addresses announced to Internet: 121323304
Equivalent to 7 /8s, 59 /16s and 63 /24s
Percentage of available LACNIC address space announced: 72.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
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: 9847
Total AfriNIC prefixes after maximum aggregation: 2382
AfriNIC Deaggregation factor: 4.13
Prefixes being announced from the AfriNIC address blocks: 10422
Unique aggregates announced from the AfriNIC address blocks: 3688
AfriNIC Region origin ASes present in the Internet Routing Table: 589
AfriNIC Prefixes per ASN: 17.69
AfriNIC Region origin ASes announcing only one prefix: 186
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 5
Number of AfriNIC addresses announced to Internet: 44069632
Equivalent to 2 /8s, 160 /16s and 115 /24s
Percentage of available AfriNIC address space announced: 43.8
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 2956 11557 925 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7545 1820 301 88 TPG Internet Pty Ltd
4755 1668 382 176 TATA Communications formerly
9829 1425 1156 42 BSNL National Internet Backbo
9583 1201 89 502 Sify Limited
7552 1145 1070 12 Vietel Corporation
4808 1126 2040 316 CNCGROUP IP network: China169
9498 1049 310 74 BHARTI Airtel Ltd.
24560 1036 385 160 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 3108 3700 126 bellsouth.net, inc.
7029 2287 1265 212 Windstream Communications Inc
18566 2081 382 180 Covad Communications
22773 1958 2931 128 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
20115 1686 1606 626 Charter Communications
4323 1600 1155 395 Time Warner Telecom
30036 1343 286 702 Mediacom Communications Corp
7018 1301 10550 860 AT&T WorldNet Services
7011 1206 321 685 Citizens Utilities
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 1843 544 16 Corbina telecom
34984 916 212 231 BILISIM TELEKOM
12479 832 778 65 Uni2 Autonomous System
13188 771 96 112 Educational Network
31148 743 38 14 FreeNet ISP
20940 733 245 580 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
8551 655 367 39 Bezeq International
58113 633 70 378 LIR DATACENTER TELECOM SRL
2118 603 97 13 EUnet/RELCOM Autonomous Syste
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
10620 2282 389 217 TVCABLE BOGOTA
28573 2274 1302 78 NET Servicos de Comunicao S.A
7303 1670 1139 204 Telecom Argentina Stet-France
8151 1529 2876 365 UniNet S.A. de C.V.
6503 1454 435 67 AVANTEL, S.A.
27947 771 85 96 Telconet S.A
18881 750 716 18 Global Village Telecom
3816 672 306 85 Empresa Nacional de Telecomun
11172 603 86 67 Servicios Alestra S.A de C.V
7738 587 1242 34 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
24863 890 275 36 LINKdotNET AS number
36998 774 80 4 MOBITEL
8452 541 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 290 80 8 RAYA Telecom - Egypt
3741 266 906 224 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
16637 191 696 90 MTN Network Solutions
29975 191 667 21 Vodacom
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 3108 3700 126 bellsouth.net, inc.
4766 2956 11557 925 Korea Telecom (KIX)
17974 2474 829 53 PT TELEKOMUNIKASI INDONESIA
7029 2287 1265 212 Windstream Communications Inc
10620 2282 389 217 TVCABLE BOGOTA
28573 2274 1302 78 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1958 2931 128 Cox Communications, Inc.
1785 1946 678 124 PaeTec Communications, Inc.
8402 1843 544 16 Corbina telecom
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
17974 2474 2421 PT TELEKOMUNIKASI INDONESIA
28573 2274 2196 NET Servicos de Comunicao S.A
7029 2287 2075 Windstream Communications Inc
10620 2282 2065 TVCABLE BOGOTA
4766 2956 2031 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
22773 1958 1830 Cox Communications, Inc.
8402 1843 1827 Corbina telecom
1785 1946 1822 PaeTec Communications, Inc.
7545 1820 1732 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
128.0.24.0/21 41794 Altline LLC
128.0.60.0/23 57417 INTERNET TASMANIA SRL
128.0.62.0/23 57417 INTERNET TASMANIA SRL
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.72.0/21 23456 32-bit ASN transition
128.0.80.0/20 52041 Timer LTD
128.0.104.0/23 51848 FOP Gabidullina Ludmila Nikol
128.0.106.0/24 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
27.112.114.0/24 23884 Proimage Engineering and Comm
31.210.16.0/22 15657 Neural Networks ASN
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
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.
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 /8:18 /9:13 /10:29 /11:87 /12:246
/13:477 /14:862 /15:1554 /16:12510 /17:6573 /18:10929
/19:21644 /20:31141 /21:33120 /22:44398 /23:40708 /24:229013
/25:1318 /26:1701 /27:869 /28:180 /29:74 /30:17
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2031 2081 Covad Communications
6389 1771 3108 bellsouth.net, inc.
7029 1643 2287 Windstream Communications Inc
8402 1569 1843 Corbina telecom
22773 1291 1958 Cox Communications, Inc.
30036 1240 1343 Mediacom Communications Corp
11492 1157 1194 Cable One
1785 1028 1946 PaeTec Communications, Inc.
6503 980 1454 AVANTEL, S.A.
7011 955 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:698 2:759 3:3 4:13 5:712 6:3
8:487 12:1924 13:3 14:702 15:11 16:3
17:6 20:27 23:224 24:1795 27:1484 31:1118
32:54 33:2 34:3 36:9 37:1167 38:842
39:2 40:138 41:2694 42:181 44:3 46:1738
47:1 49:535 50:650 52:12 54:28 55:7
57:28 58:1076 59:560 60:240 61:1316 62:1022
63:2045 64:4309 65:2163 66:4314 67:2083 68:1119
69:3302 70:861 71:537 72:1877 74:2549 75:414
76:295 77:1046 78:1030 79:535 80:1227 81:986
82:659 83:538 84:529 85:1156 86:469 87:969
88:366 89:1725 90:283 91:5391 92:607 93:1664
94:1983 95:1530 96:489 97:338 98:971 99:52
100:30 101:296 103:2018 105:528 106:128 107:208
108:504 109:1823 110:843 111:992 112:465 113:744
114:682 115:931 116:905 117:782 118:966 119:1278
120:331 121:700 122:1730 123:1185 124:1323 125:1302
128:550 129:201 130:309 131:640 132:326 133:142
134:255 135:62 136:216 137:234 138:339 139:160
140:216 141:311 142:516 143:383 144:481 145:89
146:527 147:299 148:731 149:335 150:161 151:258
152:399 153:188 154:24 155:446 156:232 157:380
158:257 159:700 160:336 161:421 162:367 163:195
164:585 165:459 166:458 167:570 168:1005 169:131
170:1003 171:162 172:4 173:1517 174:615 175:420
176:1041 177:1577 178:1694 180:1350 181:206 182:1165
183:258 184:634 185:168 186:2171 187:1459 188:1916
189:1568 190:6300 192:6151 193:5512 194:4324 195:3523
196:1250 197:316 198:4082 199:5176 200:5973 201:2126
202:8811 203:8735 204:4472 205:2542 206:2791 207:2768
208:4086 209:3525 210:2908 211:1559 212:1970 213:1877
214:889 215:91 216:5039 217:1572 218:597 219:325
220:1266 221:528 222:324 223:398
End of report
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