* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 08 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 430284
Prefixes after maximum aggregation: 179686
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211886
Total ASes present in the Internet Routing Table: 42504
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33761
Origin ASes announcing only one prefix: 15811
Transit ASes present in the Internet Routing Table: 5674
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: 40
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 995
Unregistered ASNs in the Routing Table: 354
Number of 32-bit ASNs allocated by the RIRs: 3448
Number of 32-bit ASNs visible in the Routing Table: 3069
Prefixes from 32-bit ASNs in the Routing Table: 8328
Special use prefixes present in the Routing Table: 14
Prefixes being announced from unallocated address space: 159
Number of addresses announced to Internet: 2611455212
Equivalent to 155 /8s, 167 /16s and 164 /24s
Percentage of available address space announced: 70.5
Percentage of allocated address space announced: 70.5
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: 150989
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104200
Total APNIC prefixes after maximum aggregation: 32557
APNIC Deaggregation factor: 3.20
Prefixes being announced from the APNIC address blocks: 105011
Unique aggregates announced from the APNIC address blocks: 43040
APNIC Region origin ASes present in the Internet Routing Table: 4791
APNIC Prefixes per ASN: 21.92
APNIC Region origin ASes announcing only one prefix: 1248
APNIC Region transit ASes present in the Internet Routing Table: 780
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: 349
Number of APNIC addresses announced to Internet: 713569696
Equivalent to 42 /8s, 136 /16s and 53 /24s
Percentage of available APNIC address space announced: 83.4
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: 155074
Total ARIN prefixes after maximum aggregation: 78365
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155902
Unique aggregates announced from the ARIN address blocks: 69840
ARIN Region origin ASes present in the Internet Routing Table: 15262
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 5766
ARIN Region transit ASes present in the Internet Routing Table: 1595
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087490688
Equivalent to 64 /8s, 209 /16s and 202 /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: 108744
Total RIPE prefixes after maximum aggregation: 57753
RIPE Deaggregation factor: 1.88
Prefixes being announced from the RIPE address blocks: 111438
Unique aggregates announced from the RIPE address blocks: 72433
RIPE Region origin ASes present in the Internet Routing Table: 16948
RIPE Prefixes per ASN: 6.58
RIPE Region origin ASes announcing only one prefix: 8150
RIPE Region transit ASes present in the Internet Routing Table: 2752
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1990
Number of RIPE addresses announced to Internet: 648795812
Equivalent to 38 /8s, 171 /16s and 214 /24s
Percentage of available RIPE address space announced: 94.3
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: 44251
Total LACNIC prefixes after maximum aggregation: 8732
LACNIC Deaggregation factor: 5.07
Prefixes being announced from the LACNIC address blocks: 47695
Unique aggregates announced from the LACNIC address blocks: 22875
LACNIC Region origin ASes present in the Internet Routing Table: 1694
LACNIC Prefixes per ASN: 28.16
LACNIC Region origin ASes announcing only one prefix: 475
LACNIC Region transit ASes present in the Internet Routing Table: 327
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 707
Number of LACNIC addresses announced to Internet: 118716968
Equivalent to 7 /8s, 19 /16s and 122 /24s
Percentage of available LACNIC address space announced: 70.8
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: 9571
Total AfriNIC prefixes after maximum aggregation: 2226
AfriNIC Deaggregation factor: 4.30
Prefixes being announced from the AfriNIC address blocks: 10079
Unique aggregates announced from the AfriNIC address blocks: 3563
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.84
AfriNIC Region origin ASes announcing only one prefix: 172
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 42574848
Equivalent to 2 /8s, 137 /16s and 164 /24s
Percentage of available AfriNIC address space announced: 42.3
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 2958 11558 900 Korea Telecom (KIX)
17974 2420 825 45 PT TELEKOMUNIKASI INDONESIA
7545 1803 301 88 TPG Internet Pty Ltd
4755 1613 375 159 TATA Communications formerly
9829 1410 1154 41 BSNL National Internet Backbo
9583 1189 88 507 Sify Limited
7552 1131 1062 11 Vietel Corporation
4808 1111 2056 315 CNCGROUP IP network: China169
24560 1034 384 161 Bharti Airtel Ltd., Telemedia
9498 1020 310 73 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
7029 3203 991 190 Windstream Communications Inc
6389 3168 3722 159 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1971 2931 128 Cox Communications, Inc.
1785 1929 678 128 PaeTec Communications, Inc.
20115 1670 1603 626 Charter Communications
4323 1589 1153 392 Time Warner Telecom
30036 1374 279 752 Mediacom Communications Corp
7018 1275 10275 851 AT&T WorldNet Services
7011 1222 334 692 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 1797 544 16 Corbina telecom
12479 853 777 63 Uni2 Autonomous System
34984 828 207 198 BILISIM TELEKOM
31148 727 37 9 FreeNet ISP
13188 720 93 137 Educational Network
6830 712 2313 435 UPC Distribution Services
20940 710 228 547 Akamai Technologies European
58113 602 67 365 LIR DATACENTER TELECOM SRL
8551 594 364 61 Bezeq International
3320 494 8438 405 Deutsche Telekom AG
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 2241 382 229 TVCABLE BOGOTA
28573 2159 1283 64 NET Servicos de Comunicao S.A
7303 1669 1139 202 Telecom Argentina Stet-France
8151 1590 3010 353 UniNet S.A. de C.V.
6503 1539 435 67 AVANTEL, S.A.
27947 747 77 91 Telconet S.A
3816 657 309 69 Empresa Nacional de Telecomun
14420 601 93 108 CORPORACION NACIONAL DE TELEC
11172 588 85 65 Servicios Alestra S.A de C.V
7738 582 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 902 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 547 958 13 TEDATA
6713 516 650 19 Itissalat Al-MAGHRIB
24835 287 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 175 697 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 3203 991 190 Windstream Communications Inc
6389 3168 3722 159 bellsouth.net, inc.
4766 2958 11558 900 Korea Telecom (KIX)
17974 2420 825 45 PT TELEKOMUNIKASI INDONESIA
10620 2241 382 229 TVCABLE BOGOTA
28573 2159 1283 64 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1971 2931 128 Cox Communications, Inc.
1785 1929 678 128 PaeTec Communications, Inc.
7545 1803 301 88 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
6389 3168 3009 bellsouth.net, inc.
17974 2420 2375 PT TELEKOMUNIKASI INDONESIA
28573 2159 2095 NET Servicos de Comunicao S.A
4766 2958 2058 Korea Telecom (KIX)
10620 2241 2012 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
22773 1971 1843 Cox Communications, Inc.
1785 1929 1801 PaeTec Communications, Inc.
8402 1797 1781 Corbina telecom
7545 1803 1715 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
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
61408 UNALLOCATED 5.56.0.0/21 174 Cogent Communication
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
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
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
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 /11:88 /12:243
/13:478 /14:850 /15:1547 /16:12442 /17:6533 /18:10880
/19:21269 /20:30693 /21:32699 /22:43237 /23:40249 /24:224766
/25:1356 /26:1689 /27:903 /28:181 /29:79 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2644 3203 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1786 3168 bellsouth.net, inc.
8402 1505 1797 Corbina telecom
22773 1299 1971 Cox Communications, Inc.
30036 1291 1374 Mediacom Communications Corp
11492 1150 1185 Cable One
6503 1054 1539 AVANTEL, S.A.
1785 1018 1929 PaeTec Communications, Inc.
7011 957 1222 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:645 2:778 3:1 4:13 5:639 6:3
8:474 12:1959 13:3 14:686 15:11 16:3
17:6 20:27 23:211 24:1811 27:1396 31:1033
32:54 33:2 34:2 36:7 37:924 38:832
39:2 40:137 41:2654 42:177 44:3 46:1632
47:2 49:504 50:604 52:12 54:27 55:4
56:4 57:26 58:986 59:543 60:237 61:1296
62:949 63:2012 64:4280 65:2203 66:4509 67:2099
68:1158 69:3224 70:936 71:505 72:1890 74:2616
75:478 76:283 77:987 78:1004 79:508 80:1238
81:980 82:619 83:543 84:520 85:1149 86:508
87:941 88:351 89:1738 90:305 91:5290 92:577
93:1457 94:1714 95:1281 96:411 97:324 98:971
99:39 100:31 101:291 103:1756 105:514 106:120
107:201 108:478 109:1616 110:831 111:978 112:435
113:736 114:677 115:887 116:887 117:763 118:961
119:1233 120:361 121:694 122:1697 123:1156 124:1345
125:1287 128:571 129:200 130:292 131:663 132:315
133:142 134:254 135:62 136:217 137:239 138:339
139:175 140:502 141:291 142:495 143:332 144:478
145:83 146:526 147:280 148:734 149:330 150:158
151:208 152:451 153:183 154:21 155:432 156:227
157:365 158:283 159:670 160:334 161:414 162:368
163:191 164:724 165:449 166:497 167:562 168:991
169:130 170:918 171:154 172:6 173:1715 174:629
175:472 176:729 177:1373 178:1645 180:1385 181:167
182:1108 183:302 184:620 185:46 186:2217 187:1385
188:1740 189:1625 190:5905 192:6038 193:5401 194:4128
195:3466 196:1236 197:260 198:3903 199:5084 200:6012
201:1976 202:8727 203:8706 204:4420 205:2537 206:2761
207:2816 208:4066 209:3618 210:2831 211:1531 212:2083
213:1842 214:884 215:74 216:5154 217:1575 218:577
219:308 220:1258 221:531 222:337 223:405
End of report
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