* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 17 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427964
Prefixes after maximum aggregation: 179143
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210636
Total ASes present in the Internet Routing Table: 42356
Prefixes per ASN: 10.10
Origin-only ASes present in the Internet Routing Table: 33744
Origin ASes announcing only one prefix: 15796
Transit ASes present in the Internet Routing Table: 5622
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: 30
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 826
Unregistered ASNs in the Routing Table: 304
Number of 32-bit ASNs allocated by the RIRs: 3385
Number of 32-bit ASNs visible in the Routing Table: 2990
Prefixes from 32-bit ASNs in the Routing Table: 8071
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 171
Number of addresses announced to Internet: 2604781420
Equivalent to 155 /8s, 65 /16s and 207 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.4
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.8
Total number of prefixes smaller than registry allocations: 150129
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103009
Total APNIC prefixes after maximum aggregation: 32536
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 103748
Unique aggregates announced from the APNIC address blocks: 42942
APNIC Region origin ASes present in the Internet Routing Table: 4775
APNIC Prefixes per ASN: 21.73
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 771
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 328
Number of APNIC addresses announced to Internet: 710797216
Equivalent to 42 /8s, 93 /16s and 231 /24s
Percentage of available APNIC address space announced: 83.1
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: 154497
Total ARIN prefixes after maximum aggregation: 78239
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155350
Unique aggregates announced from the ARIN address blocks: 69471
ARIN Region origin ASes present in the Internet Routing Table: 15273
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5777
ARIN Region transit ASes present in the Internet Routing Table: 1598
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1086869376
Equivalent to 64 /8s, 200 /16s and 79 /24s
Percentage of available ARIN address space announced: 57.5
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: 108939
Total RIPE prefixes after maximum aggregation: 57381
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111538
Unique aggregates announced from the RIPE address blocks: 71899
RIPE Region origin ASes present in the Internet Routing Table: 16907
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8140
RIPE Region transit ASes present in the Internet Routing Table: 2719
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1947
Number of RIPE addresses announced to Internet: 647014436
Equivalent to 38 /8s, 144 /16s and 168 /24s
Percentage of available RIPE address space announced: 94.1
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: 43846
Total LACNIC prefixes after maximum aggregation: 8689
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47187
Unique aggregates announced from the LACNIC address blocks: 22619
LACNIC Region origin ASes present in the Internet Routing Table: 1672
LACNIC Prefixes per ASN: 28.22
LACNIC Region origin ASes announcing only one prefix: 456
LACNIC Region transit ASes present in the Internet Routing Table: 318
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 692
Number of LACNIC addresses announced to Internet: 117558312
Equivalent to 7 /8s, 1 /16s and 204 /24s
Percentage of available LACNIC address space announced: 70.1
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: 9486
Total AfriNIC prefixes after maximum aggregation: 2241
AfriNIC Deaggregation factor: 4.23
Prefixes being announced from the AfriNIC address blocks: 9970
Unique aggregates announced from the AfriNIC address blocks: 3554
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.65
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.6
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: 42161408
Equivalent to 2 /8s, 131 /16s and 85 /24s
Percentage of available AfriNIC address space announced: 41.9
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 2972 11428 902 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1768 301 87 TPG Internet Pty Ltd
4755 1618 387 163 TATA Communications formerly
9829 1401 1154 41 BSNL National Internet Backbo
9583 1229 90 518 Sify Limited
4808 1112 2060 316 CNCGROUP IP network: China169
7552 1080 1062 14 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1023 310 74 BHARTI Airtel Ltd.
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 3201 3727 173 bellsouth.net, inc.
7029 3127 990 162 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1928 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
20115 1659 1583 615 Charter Communications
4323 1585 1155 392 Time Warner Telecom
30036 1350 269 747 Mediacom Communications Corp
7018 1265 10304 839 AT&T WorldNet Services
7011 1206 329 700 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 1816 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 850 776 64 Uni2 Autonomous System
34984 799 206 183 BILISIM TELEKOM
31148 727 37 9 FreeNet ISP
6830 723 2313 445 UPC Distribution Services
20940 712 226 543 Akamai Technologies European
13188 700 92 152 Educational Network
58113 602 67 364 LIR DATACENTER TELECOM SRL
8551 576 364 61 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 2203 379 219 TVCABLE BOGOTA
28573 2137 1277 60 NET Servicos de Comunicao S.A
8151 1589 3028 355 UniNet S.A. de C.V.
7303 1566 1035 203 Telecom Argentina Stet-France
6503 1539 435 69 AVANTEL, S.A.
27947 744 75 95 Telconet S.A
3816 648 309 70 Empresa Nacional de Telecomun
11172 596 85 66 Servicios Alestra S.A de C.V
14420 588 87 102 CORPORACION NACIONAL DE TELEC
7738 586 1178 33 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 893 275 36 LINKdotNET AS number
36998 720 48 3 MOBITEL
8452 652 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 270 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 172 682 85 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
6389 3201 3727 173 bellsouth.net, inc.
7029 3127 990 162 Windstream Communications Inc
4766 2972 11428 902 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2203 379 219 TVCABLE BOGOTA
28573 2137 1277 60 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1928 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
8402 1816 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
7029 3127 2965 Windstream Communications Inc
17974 2365 2311 PT TELEKOMUNIKASI INDONESIA
28573 2137 2077 NET Servicos de Comunicao S.A
4766 2972 2070 Korea Telecom (KIX)
10620 2203 1984 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1928 1800 PaeTec Communications, Inc.
8402 1816 1800 Corbina telecom
22773 1907 1779 Cox Communications, Inc.
7545 1768 1681 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
59505 UNALLOCATED 5.2.65.0/24 50673 Serverius AS
59505 UNALLOCATED 5.2.66.0/24 50673 Serverius AS
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
59441 UNALLOCATED 5.144.128.0/21 50810 Mobin Net Communicat
59581 UNALLOCATED 5.149.8.0/21 25577 C4L main AS
59457 UNALLOCATED 5.149.64.0/24 35567 DASTO semtel d.o.o.
59457 UNALLOCATED 5.149.64.0/19 35567 DASTO semtel d.o.o.
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.24.0/21 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
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.0.0/22 45464 Room 201, TGU Bldg
14.192.4.0/22 45464 Room 201, TGU Bldg
14.192.8.0/22 45464 Room 201, TGU Bldg
14.192.12.0/22 45464 Room 201, TGU Bldg
14.192.16.0/22 45464 Room 201, TGU Bldg
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
14.192.28.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.220.80.0/24 38925 DAC AS Germany
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 /9:14 /10:29 /11:87 /12:241
/13:478 /14:849 /15:1546 /16:12444 /17:6487 /18:10842
/19:21188 /20:30333 /21:32416 /22:42919 /23:40105 /24:223749
/25:1349 /26:1682 /27:905 /28:178 /29:63 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2618 3127 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1794 3201 bellsouth.net, inc.
8402 1528 1816 Corbina telecom
30036 1278 1350 Mediacom Communications Corp
22773 1247 1907 Cox Communications, Inc.
11492 1166 1203 Cable One
6503 1054 1539 AVANTEL, S.A.
1785 1016 1928 PaeTec Communications, Inc.
7011 945 1206 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:641 2:776 3:1 4:13 5:572 6:3
8:470 12:1981 13:1 14:666 15:11 16:3
17:6 20:27 23:201 24:1789 27:1368 31:1029
32:54 33:2 34:2 36:7 37:856 38:828
39:2 40:137 41:2736 42:158 44:3 46:1655
47:2 49:457 50:593 52:12 54:25 55:10
56:5 57:27 58:981 59:543 60:237 61:1290
62:939 63:1994 64:4290 65:2231 66:4534 67:2080
68:1155 69:3220 70:987 71:505 72:1871 74:2605
75:481 76:311 77:981 78:983 79:503 80:1238
81:969 82:625 83:536 84:524 85:1150 86:484
87:945 88:362 89:1785 90:304 91:5253 92:598
93:1490 94:1635 95:1146 96:394 97:325 98:964
99:39 100:32 101:269 103:1646 105:460 106:120
107:201 108:476 109:1587 110:806 111:968 112:447
113:708 114:622 115:889 116:885 117:739 118:958
119:1226 120:347 121:686 122:1637 123:1162 124:1336
125:1284 128:536 129:194 130:282 131:636 132:310
133:22 134:253 135:62 136:196 137:239 138:337
139:170 140:387 141:285 142:494 143:384 144:501
145:82 146:509 147:274 148:755 149:317 150:157
151:196 152:450 153:179 154:20 155:431 156:227
157:370 158:261 159:657 160:347 161:411 162:363
163:191 164:701 165:429 166:526 167:553 168:991
169:126 170:916 171:166 172:7 173:1658 174:629
175:452 176:766 177:1277 178:1635 180:1347 181:162
182:1077 183:306 184:609 185:31 186:2200 187:1323
188:1749 189:1601 190:5830 192:6049 193:5531 194:4606
195:3662 196:1235 197:241 198:3857 199:5091 200:6003
201:1963 202:8674 203:8693 204:4399 205:2532 206:2772
207:2801 208:4059 209:3631 210:2837 211:1537 212:2013
213:1818 214:894 215:87 216:5110 217:1575 218:571
219:314 220:1249 221:533 222:337 223:416
End of report
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