* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 15 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 428499
Prefixes after maximum aggregation: 179226
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210527
Total ASes present in the Internet Routing Table: 42342
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33732
Origin ASes announcing only one prefix: 15777
Transit ASes present in the Internet Routing Table: 5621
Transit-only ASes present in the Internet Routing Table: 145
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: 843
Unregistered ASNs in the Routing Table: 302
Number of 32-bit ASNs allocated by the RIRs: 3378
Number of 32-bit ASNs visible in the Routing Table: 2989
Prefixes from 32-bit ASNs in the Routing Table: 8104
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 163
Number of addresses announced to Internet: 2604884396
Equivalent to 155 /8s, 67 /16s and 97 /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: 150235
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103086
Total APNIC prefixes after maximum aggregation: 32567
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 103810
Unique aggregates announced from the APNIC address blocks: 42939
APNIC Region origin ASes present in the Internet Routing Table: 4774
APNIC Prefixes per ASN: 21.74
APNIC Region origin ASes announcing only one prefix: 1247
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: 330
Number of APNIC addresses announced to Internet: 711241632
Equivalent to 42 /8s, 100 /16s and 175 /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: 154614
Total ARIN prefixes after maximum aggregation: 78249
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155450
Unique aggregates announced from the ARIN address blocks: 69378
ARIN Region origin ASes present in the Internet Routing Table: 15269
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5775
ARIN Region transit ASes present in the Internet Routing Table: 1593
Average ARIN Region AS path length visible: 4.2
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: 1086697600
Equivalent to 64 /8s, 197 /16s and 176 /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: 109224
Total RIPE prefixes after maximum aggregation: 57396
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111863
Unique aggregates announced from the RIPE address blocks: 71931
RIPE Region origin ASes present in the Internet Routing Table: 16902
RIPE Prefixes per ASN: 6.62
RIPE Region origin ASes announcing only one prefix: 8129
RIPE Region transit ASes present in the Internet Routing Table: 2724
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: 1943
Number of RIPE addresses announced to Internet: 646987620
Equivalent to 38 /8s, 144 /16s and 63 /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: 43839
Total LACNIC prefixes after maximum aggregation: 8719
LACNIC Deaggregation factor: 5.03
Prefixes being announced from the LACNIC address blocks: 47231
Unique aggregates announced from the LACNIC address blocks: 22598
LACNIC Region origin ASes present in the Internet Routing Table: 1666
LACNIC Prefixes per ASN: 28.35
LACNIC Region origin ASes announcing only one prefix: 452
LACNIC Region transit ASes present in the Internet Routing Table: 318
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 693
Number of LACNIC addresses announced to Internet: 117534760
Equivalent to 7 /8s, 1 /16s and 112 /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: 9510
Total AfriNIC prefixes after maximum aggregation: 2238
AfriNIC Deaggregation factor: 4.25
Prefixes being announced from the AfriNIC address blocks: 9982
Unique aggregates announced from the AfriNIC address blocks: 3538
AfriNIC Region origin ASes present in the Internet Routing Table: 564
AfriNIC Prefixes per ASN: 17.70
AfriNIC Region origin ASes announcing only one prefix: 174
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: 42119936
Equivalent to 2 /8s, 130 /16s and 179 /24s
Percentage of available AfriNIC address space announced: 41.8
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 2974 11428 902 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1770 301 87 TPG Internet Pty Ltd
4755 1620 387 163 TATA Communications formerly
9829 1401 1154 41 BSNL National Internet Backbo
9583 1226 90 518 Sify Limited
4808 1113 2060 316 CNCGROUP IP network: China169
7552 1104 1062 11 Vietel Corporation
24560 1034 385 162 Bharti Airtel Ltd., Telemedia
9498 1022 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 3128 990 162 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1927 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
20115 1655 1582 618 Charter Communications
4323 1586 1155 392 Time Warner Telecom
30036 1345 268 752 Mediacom Communications Corp
7018 1266 10304 840 AT&T WorldNet Services
7011 1207 329 701 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 1796 544 16 Corbina telecom
2118 1396 97 14 EUnet/RELCOM Autonomous Syste
12479 848 776 64 Uni2 Autonomous System
34984 797 206 182 BILISIM TELEKOM
31148 725 37 9 FreeNet ISP
6830 723 2313 445 UPC Distribution Services
20940 708 224 539 Akamai Technologies European
13188 696 92 156 Educational Network
58113 603 67 364 LIR DATACENTER TELECOM SRL
8551 574 364 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 2130 1277 60 NET Servicos de Comunicao S.A
8151 1581 3028 358 UniNet S.A. de C.V.
7303 1566 1035 203 Telecom Argentina Stet-France
6503 1537 435 69 AVANTEL, S.A.
27947 728 74 91 Telconet S.A
3816 649 309 70 Empresa Nacional de Telecomun
11172 596 85 66 Servicios Alestra S.A de C.V
14420 589 87 101 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 894 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 649 958 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 3128 990 162 Windstream Communications Inc
4766 2974 11428 902 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2203 379 219 TVCABLE BOGOTA
28573 2130 1277 60 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1927 678 128 PaeTec Communications, Inc.
22773 1907 2931 128 Cox Communications, Inc.
8402 1796 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 3128 2966 Windstream Communications Inc
17974 2365 2311 PT TELEKOMUNIKASI INDONESIA
4766 2974 2072 Korea Telecom (KIX)
28573 2130 2070 NET Servicos de Comunicao S.A
10620 2203 1984 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1927 1799 PaeTec Communications, Inc.
8402 1796 1780 Corbina telecom
22773 1907 1779 Cox Communications, Inc.
7545 1770 1683 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
/13:477 /14:849 /15:1546 /16:12441 /17:6497 /18:10858
/19:21174 /20:30384 /21:32449 /22:42915 /23:40120 /24:224183
/25:1352 /26:1681 /27:904 /28:173 /29:65 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2618 3128 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1794 3201 bellsouth.net, inc.
8402 1510 1796 Corbina telecom
30036 1273 1345 Mediacom Communications Corp
22773 1246 1907 Cox Communications, Inc.
11492 1166 1203 Cable One
6503 1054 1537 AVANTEL, S.A.
1785 1016 1927 PaeTec Communications, Inc.
7011 946 1207 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:638 2:779 3:1 4:13 5:567 6:3
8:489 12:1982 13:1 14:668 15:11 16:3
17:6 20:27 23:202 24:1788 27:1371 31:1020
32:54 33:2 34:2 36:7 37:845 38:829
39:2 40:137 41:2712 42:158 44:3 46:1637
47:2 49:453 50:591 52:12 54:25 55:9
56:5 57:27 58:986 59:541 60:237 61:1294
62:936 63:1996 64:4284 65:2233 66:4532 67:2080
68:1155 69:3216 70:987 71:505 72:1873 74:2604
75:483 76:310 77:968 78:952 79:501 80:1234
81:971 82:629 83:536 84:522 85:1159 86:497
87:948 88:364 89:1827 90:304 91:5259 92:598
93:1508 94:1627 95:1139 96:396 97:325 98:965
99:39 100:29 101:269 103:1649 105:512 106:120
107:199 108:474 109:1593 110:806 111:967 112:447
113:707 114:622 115:894 116:889 117:739 118:961
119:1225 120:348 121:684 122:1637 123:1152 124:1334
125:1281 128:564 129:196 130:282 131:639 132:306
133:22 134:252 135:62 136:221 137:239 138:337
139:170 140:487 141:287 142:492 143:342 144:485
145:82 146:509 147:274 148:753 149:327 150:157
151:196 152:450 153:179 154:20 155:428 156:226
157:373 158:261 159:657 160:346 161:410 162:364
163:191 164:709 165:428 166:528 167:552 168:990
169:126 170:914 171:166 172:7 173:1657 174:628
175:448 176:779 177:1277 178:1626 180:1353 181:162
182:1086 183:305 184:595 185:29 186:2224 187:1330
188:1751 189:1594 190:5856 192:6047 193:5755 194:4611
195:3661 196:1233 197:235 198:3853 199:5093 200:5997
201:1962 202:8659 203:8707 204:4400 205:2529 206:2768
207:2838 208:4061 209:3633 210:2838 211:1534 212:2016
213:1816 214:887 215:88 216:5128 217:1572 218:571
219:314 220:1249 221:533 222:337 223:413
End of report
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