* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 25 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 438162
Prefixes after maximum aggregation: 180966
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 215501
Total ASes present in the Internet Routing Table: 42904
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33979
Origin ASes announcing only one prefix: 15866
Transit ASes present in the Internet Routing Table: 5687
Transit-only ASes present in the Internet Routing Table: 139
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: 1226
Unregistered ASNs in the Routing Table: 441
Number of 32-bit ASNs allocated by the RIRs: 3603
Number of 32-bit ASNs visible in the Routing Table: 3238
Prefixes from 32-bit ASNs in the Routing Table: 8775
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 172
Number of addresses announced to Internet: 2619498892
Equivalent to 156 /8s, 34 /16s and 97 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 154784
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 105241
Total APNIC prefixes after maximum aggregation: 32762
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 106175
Unique aggregates announced from the APNIC address blocks: 43437
APNIC Region origin ASes present in the Internet Routing Table: 4802
APNIC Prefixes per ASN: 22.11
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 792
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: 390
Number of APNIC addresses announced to Internet: 716487040
Equivalent to 42 /8s, 180 /16s and 185 /24s
Percentage of available APNIC address space announced: 83.7
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: 156009
Total ARIN prefixes after maximum aggregation: 78424
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156693
Unique aggregates announced from the ARIN address blocks: 70676
ARIN Region origin ASes present in the Internet Routing Table: 15356
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5801
ARIN Region transit ASes present in the Internet Routing Table: 1590
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: 18
Number of ARIN addresses announced to Internet: 1088524160
Equivalent to 64 /8s, 225 /16s and 143 /24s
Percentage of available ARIN address space announced: 57.6
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: 112776
Total RIPE prefixes after maximum aggregation: 58353
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115702
Unique aggregates announced from the RIPE address blocks: 74444
RIPE Region origin ASes present in the Internet Routing Table: 16996
RIPE Prefixes per ASN: 6.81
RIPE Region origin ASes announcing only one prefix: 8143
RIPE Region transit ASes present in the Internet Routing Table: 2756
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: 2094
Number of RIPE addresses announced to Internet: 650215780
Equivalent to 38 /8s, 193 /16s and 129 /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: 45488
Total LACNIC prefixes after maximum aggregation: 9018
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 49069
Unique aggregates announced from the LACNIC address blocks: 23159
LACNIC Region origin ASes present in the Internet Routing Table: 1752
LACNIC Prefixes per ASN: 28.01
LACNIC Region origin ASes announcing only one prefix: 495
LACNIC Region transit ASes present in the Internet Routing Table: 336
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 730
Number of LACNIC addresses announced to Internet: 121055784
Equivalent to 7 /8s, 55 /16s and 42 /24s
Percentage of available LACNIC address space announced: 72.2
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: 9751
Total AfriNIC prefixes after maximum aggregation: 2356
AfriNIC Deaggregation factor: 4.14
Prefixes being announced from the AfriNIC address blocks: 10351
Unique aggregates announced from the AfriNIC address blocks: 3632
AfriNIC Region origin ASes present in the Internet Routing Table: 590
AfriNIC Prefixes per ASN: 17.54
AfriNIC Region origin ASes announcing only one prefix: 190
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: 6
Number of AfriNIC addresses announced to Internet: 42915328
Equivalent to 2 /8s, 142 /16s and 214 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2929 11556 912 Korea Telecom (KIX)
17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA
7545 1816 301 89 TPG Internet Pty Ltd
4755 1659 381 174 TATA Communications formerly
9829 1415 1156 42 BSNL National Internet Backbo
9583 1182 88 502 Sify Limited
7552 1145 1070 12 Vietel Corporation
4808 1124 2040 316 CNCGROUP IP network: China169
9498 1042 307 69 BHARTI Airtel Ltd.
24560 1037 385 161 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
7029 3470 1010 215 Windstream Communications Inc
6389 3121 3717 133 bellsouth.net, inc.
18566 2081 382 180 Covad Communications
22773 1947 2932 131 Cox Communications, Inc.
1785 1942 678 125 PaeTec Communications, Inc.
20115 1688 1603 618 Charter Communications
4323 1596 1155 397 Time Warner Telecom
30036 1382 292 716 Mediacom Communications Corp
7018 1293 10533 854 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 1823 544 16 Corbina telecom
2118 1052 97 15 EUnet/RELCOM Autonomous Syste
34984 883 211 232 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 765 95 121 Educational Network
31148 743 38 15 FreeNet ISP
20940 727 239 566 Akamai Technologies European
6830 713 2313 434 UPC Distribution Services
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 632 367 39 Bezeq International
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 2268 387 206 TVCABLE BOGOTA
28573 2245 1298 69 NET Servicos de Comunicao S.A
7303 1674 1139 202 Telecom Argentina Stet-France
8151 1573 2982 352 UniNet S.A. de C.V.
6503 1452 434 65 AVANTEL, S.A.
27947 765 85 93 Telconet S.A
18881 740 716 18 Global Village Telecom
3816 672 309 71 Empresa Nacional de Telecomun
11172 601 86 66 Servicios Alestra S.A de C.V
7738 588 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 874 275 36 LINKdotNET AS number
36998 749 48 3 MOBITEL
8452 553 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 193 28 67 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 88 MTN Network Solutions
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
7029 3470 1010 215 Windstream Communications Inc
6389 3121 3717 133 bellsouth.net, inc.
4766 2929 11556 912 Korea Telecom (KIX)
17974 2488 829 54 PT TELEKOMUNIKASI INDONESIA
10620 2268 387 206 TVCABLE BOGOTA
28573 2245 1298 69 NET Servicos de Comunicao S.A
18566 2081 382 180 Covad Communications
22773 1947 2932 131 Cox Communications, Inc.
1785 1942 678 125 PaeTec Communications, Inc.
8402 1823 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
6389 3121 2988 bellsouth.net, inc.
17974 2488 2434 PT TELEKOMUNIKASI INDONESIA
28573 2245 2176 NET Servicos de Comunicao S.A
10620 2268 2062 TVCABLE BOGOTA
4766 2929 2017 Korea Telecom (KIX)
18566 2081 1901 Covad Communications
1785 1942 1817 PaeTec Communications, Inc.
22773 1947 1816 Cox Communications, Inc.
8402 1823 1807 Corbina telecom
7545 1816 1727 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
61395 UNALLOCATED 5.83.60.0/22 3292 TDC Tele Danmark
59414 UNALLOCATED 5.102.144.0/21 15576 Nextra backbone in D
59395 UNALLOCATED 5.133.16.0/21 3549 Global Crossing
59407 UNALLOCATED 5.134.16.0/21 51167 Giga-Hosting GmbH
59521 UNALLOCATED 5.134.192.0/21 29518 Labs2
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
128.0.64.0/22 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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
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
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
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
64.66.32.0/20 18864 >>UNKNOWN<<
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.
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 /12:244
/13:476 /14:857 /15:1544 /16:12488 /17:6563 /18:10959
/19:21631 /20:31038 /21:33023 /22:44344 /23:40786 /24:229906
/25:1307 /26:1693 /27:856 /28:182 /29:80 /30:17
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2728 3470 Windstream Communications Inc
18566 2031 2081 Covad Communications
6389 1775 3121 bellsouth.net, inc.
8402 1548 1823 Corbina telecom
30036 1285 1382 Mediacom Communications Corp
22773 1279 1947 Cox Communications, Inc.
11492 1156 1193 Cable One
1785 1023 1942 PaeTec Communications, Inc.
6503 980 1452 AVANTEL, S.A.
7011 954 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 2:754 3:3 4:13 5:695 6:3
8:489 12:1934 13:3 14:702 15:11 16:3
17:6 20:27 23:220 24:1794 27:1466 31:1332
32:54 33:2 34:2 36:11 37:1144 38:841
39:2 40:141 41:2641 42:179 44:3 46:1725
47:3 49:524 50:652 52:12 54:28 55:8
56:1 57:28 58:1070 59:558 60:237 61:1310
62:1030 63:2018 64:4360 65:2201 66:4500 67:2082
68:1201 69:3334 70:938 71:557 72:1898 74:2627
75:475 76:293 77:1039 78:1022 79:521 80:1209
81:977 82:645 83:536 84:532 85:1159 86:455
87:971 88:354 89:1753 90:304 91:5377 92:610
93:1619 94:1979 95:1656 96:488 97:337 98:973
99:40 100:31 101:286 103:1966 105:501 106:117
107:203 108:510 109:1746 110:833 111:981 112:463
113:743 114:639 115:905 116:891 117:776 118:955
119:1257 120:372 121:707 122:1728 123:1174 124:1320
125:1298 128:810 129:200 130:304 131:643 132:319
133:142 134:255 135:62 136:215 137:235 138:344
139:177 140:182 141:300 142:516 143:351 144:491
145:89 146:517 147:323 148:726 149:334 150:147
151:244 152:399 153:187 154:23 155:444 156:231
157:379 158:257 159:685 160:334 161:420 162:371
163:192 164:582 165:457 166:472 167:569 168:1003
169:131 170:1004 171:164 172:4 173:1655 174:627
175:448 176:882 177:1492 178:1714 180:1357 181:189
182:1118 183:286 184:633 185:136 186:2162 187:1439
188:1889 189:1571 190:6210 192:6084 193:5715 194:4483
195:3597 196:1246 197:305 198:4003 199:5155 200:6052
201:2016 202:8859 203:8752 204:4479 205:2557 206:2826
207:2826 208:4063 209:3656 210:2904 211:1553 212:2007
213:1876 214:860 215:90 216:5116 217:1565 218:604
219:320 220:1257 221:543 222:324 223:370
End of report
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