* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 19 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 428518
Prefixes after maximum aggregation: 179138
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 210707
Total ASes present in the Internet Routing Table: 42393
Prefixes per ASN: 10.11
Origin-only ASes present in the Internet Routing Table: 33738
Origin ASes announcing only one prefix: 15799
Transit ASes present in the Internet Routing Table: 5642
Transit-only ASes present in the Internet Routing Table: 140
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: 842
Unregistered ASNs in the Routing Table: 314
Number of 32-bit ASNs allocated by the RIRs: 3392
Number of 32-bit ASNs visible in the Routing Table: 3013
Prefixes from 32-bit ASNs in the Routing Table: 8129
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 167
Number of addresses announced to Internet: 2606546540
Equivalent to 155 /8s, 92 /16s and 190 /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: 150052
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103260
Total APNIC prefixes after maximum aggregation: 32548
APNIC Deaggregation factor: 3.17
Prefixes being announced from the APNIC address blocks: 104014
Unique aggregates announced from the APNIC address blocks: 43004
APNIC Region origin ASes present in the Internet Routing Table: 4770
APNIC Prefixes per ASN: 21.81
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 774
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 332
Number of APNIC addresses announced to Internet: 711053472
Equivalent to 42 /8s, 97 /16s and 208 /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: 154555
Total ARIN prefixes after maximum aggregation: 78155
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155414
Unique aggregates announced from the ARIN address blocks: 69494
ARIN Region origin ASes present in the Internet Routing Table: 15278
ARIN Prefixes per ASN: 10.17
ARIN Region origin ASes announcing only one prefix: 5776
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: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1086675072
Equivalent to 64 /8s, 197 /16s and 88 /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: 108945
Total RIPE prefixes after maximum aggregation: 57426
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111577
Unique aggregates announced from the RIPE address blocks: 71794
RIPE Region origin ASes present in the Internet Routing Table: 16918
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8146
RIPE Region transit ASes present in the Internet Routing Table: 2742
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: 1960
Number of RIPE addresses announced to Internet: 648312100
Equivalent to 38 /8s, 164 /16s and 117 /24s
Percentage of available RIPE address space announced: 94.2
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: 43998
Total LACNIC prefixes after maximum aggregation: 8710
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47347
Unique aggregates announced from the LACNIC address blocks: 22719
LACNIC Region origin ASes present in the Internet Routing Table: 1674
LACNIC Prefixes per ASN: 28.28
LACNIC Region origin ASes announcing only one prefix: 453
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: 698
Number of LACNIC addresses announced to Internet: 117975336
Equivalent to 7 /8s, 8 /16s and 41 /24s
Percentage of available LACNIC address space announced: 70.3
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: 9512
Total AfriNIC prefixes after maximum aggregation: 2245
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 9999
Unique aggregates announced from the AfriNIC address blocks: 3549
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.63
AfriNIC Region origin ASes announcing only one prefix: 177
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 42227712
Equivalent to 2 /8s, 132 /16s and 88 /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 2968 11430 899 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1775 301 87 TPG Internet Pty Ltd
4755 1617 387 163 TATA Communications formerly
9829 1409 1154 41 BSNL National Internet Backbo
9583 1228 90 517 Sify Limited
4808 1113 2056 315 CNCGROUP IP network: China169
7552 1081 1062 14 Vietel Corporation
24560 1035 385 162 Bharti Airtel Ltd., Telemedia
9498 1018 307 69 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 3190 3726 168 bellsouth.net, inc.
7029 3135 990 162 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1928 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications, Inc.
20115 1660 1583 615 Charter Communications
4323 1591 1155 392 Time Warner Telecom
30036 1353 269 748 Mediacom Communications Corp
7018 1271 10304 844 AT&T WorldNet Services
7011 1220 333 690 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 1829 544 16 Corbina telecom
2118 1172 97 14 EUnet/RELCOM Autonomous Syste
12479 851 776 64 Uni2 Autonomous System
34984 803 206 183 BILISIM TELEKOM
31148 725 37 9 FreeNet ISP
6830 723 2313 445 UPC Distribution Services
20940 712 226 544 Akamai Technologies European
13188 701 93 147 Educational Network
58113 602 67 364 LIR DATACENTER TELECOM SRL
8551 575 364 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 2194 378 227 TVCABLE BOGOTA
28573 2121 1277 60 NET Servicos de Comunicao S.A
7303 1662 1131 203 Telecom Argentina Stet-France
8151 1590 3028 355 UniNet S.A. de C.V.
6503 1540 435 69 AVANTEL, S.A.
27947 736 74 96 Telconet S.A
3816 649 309 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 895 275 36 LINKdotNET AS number
36998 720 48 3 MOBITEL
8452 644 958 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 3190 3726 168 bellsouth.net, inc.
7029 3135 990 162 Windstream Communications Inc
4766 2968 11430 899 Korea Telecom (KIX)
17974 2365 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2194 378 227 TVCABLE BOGOTA
28573 2121 1277 60 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1928 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications, Inc.
8402 1829 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 3135 2973 Windstream Communications Inc
17974 2365 2311 PT TELEKOMUNIKASI INDONESIA
4766 2968 2069 Korea Telecom (KIX)
28573 2121 2061 NET Servicos de Comunicao S.A
10620 2194 1967 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
8402 1829 1813 Corbina telecom
1785 1928 1800 PaeTec Communications, Inc.
22773 1906 1778 Cox Communications, Inc.
7545 1775 1688 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 /12:242
/13:478 /14:849 /15:1548 /16:12446 /17:6493 /18:10837
/19:21203 /20:30471 /21:32450 /22:42924 /23:40159 /24:224040
/25:1350 /26:1684 /27:908 /28:180 /29:66 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2624 3135 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1793 3190 bellsouth.net, inc.
8402 1539 1829 Corbina telecom
30036 1280 1353 Mediacom Communications Corp
22773 1246 1906 Cox Communications, Inc.
11492 1166 1203 Cable One
6503 1054 1540 AVANTEL, S.A.
1785 1016 1928 PaeTec Communications, Inc.
7011 956 1220 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:641 2:771 3:1 4:13 5:573 6:3
8:471 12:1981 13:1 14:671 15:11 16:3
17:6 20:27 23:214 24:1789 27:1370 31:1031
32:54 33:2 34:2 36:7 37:857 38:830
39:2 40:137 41:2740 42:158 44:3 46:1650
47:2 49:456 50:595 52:12 54:25 55:10
56:5 57:27 58:988 59:546 60:236 61:1294
62:937 63:2001 64:4283 65:2213 66:4523 67:2077
68:1155 69:3236 70:955 71:505 72:1871 74:2609
75:481 76:267 77:982 78:970 79:503 80:1233
81:971 82:625 83:540 84:522 85:1152 86:490
87:945 88:360 89:1808 90:304 91:5248 92:583
93:1480 94:1649 95:1182 96:397 97:325 98:972
99:39 100:32 101:269 103:1656 105:460 106:121
107:201 108:482 109:1584 110:807 111:972 112:435
113:723 114:629 115:891 116:894 117:750 118:961
119:1225 120:348 121:689 122:1694 123:1166 124:1343
125:1283 128:570 129:196 130:284 131:616 132:306
133:22 134:251 135:62 136:220 137:241 138:337
139:170 140:492 141:285 142:493 143:385 144:499
145:82 146:509 147:274 148:754 149:329 150:158
151:199 152:450 153:179 154:20 155:431 156:227
157:373 158:262 159:660 160:339 161:414 162:365
163:191 164:707 165:426 166:526 167:554 168:994
169:126 170:917 171:166 172:7 173:1660 174:628
175:454 176:765 177:1283 178:1610 180:1348 181:162
182:1090 183:314 184:609 185:33 186:2207 187:1335
188:1684 189:1600 190:5840 192:6056 193:5538 194:4594
195:3665 196:1233 197:242 198:3858 199:5095 200:6005
201:1967 202:8686 203:8717 204:4414 205:2532 206:2772
207:2802 208:4065 209:3627 210:2827 211:1535 212:2009
213:1842 214:889 215:87 216:5072 217:1571 218:573
219:314 220:1250 221:532 222:337 223:421
End of report
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