* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 11 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 436556
Prefixes after maximum aggregation: 180512
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 213650
Total ASes present in the Internet Routing Table: 42804
Prefixes per ASN: 10.20
Origin-only ASes present in the Internet Routing Table: 33910
Origin ASes announcing only one prefix: 15861
Transit ASes present in the Internet Routing Table: 5701
Transit-only ASes present in the Internet Routing Table: 131
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1182
Unregistered ASNs in the Routing Table: 426
Number of 32-bit ASNs allocated by the RIRs: 3572
Number of 32-bit ASNs visible in the Routing Table: 3193
Prefixes from 32-bit ASNs in the Routing Table: 8631
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 144
Number of addresses announced to Internet: 2617907788
Equivalent to 156 /8s, 10 /16s and 26 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.0
Total number of prefixes smaller than registry allocations: 154312
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104960
Total APNIC prefixes after maximum aggregation: 32631
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105868
Unique aggregates announced from the APNIC address blocks: 43290
APNIC Region origin ASes present in the Internet Routing Table: 4803
APNIC Prefixes per ASN: 22.04
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 795
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 384
Number of APNIC addresses announced to Internet: 715918528
Equivalent to 42 /8s, 172 /16s and 12 /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: 155696
Total ARIN prefixes after maximum aggregation: 78482
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156412
Unique aggregates announced from the ARIN address blocks: 70060
ARIN Region origin ASes present in the Internet Routing Table: 15334
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5791
ARIN Region transit ASes present in the Internet Routing Table: 1600
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: 1088896128
Equivalent to 64 /8s, 231 /16s and 60 /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: 112283
Total RIPE prefixes after maximum aggregation: 58067
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 115163
Unique aggregates announced from the RIPE address blocks: 73555
RIPE Region origin ASes present in the Internet Routing Table: 16989
RIPE Prefixes per ASN: 6.78
RIPE Region origin ASes announcing only one prefix: 8141
RIPE Region transit ASes present in the Internet Routing Table: 2755
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2064
Number of RIPE addresses announced to Internet: 649576420
Equivalent to 38 /8s, 183 /16s and 191 /24s
Percentage of available RIPE address space announced: 94.4
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: 45106
Total LACNIC prefixes after maximum aggregation: 8944
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48618
Unique aggregates announced from the LACNIC address blocks: 23015
LACNIC Region origin ASes present in the Internet Routing Table: 1740
LACNIC Prefixes per ASN: 27.94
LACNIC Region origin ASes announcing only one prefix: 498
LACNIC Region transit ASes present in the Internet Routing Table: 331
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: 721
Number of LACNIC addresses announced to Internet: 120324136
Equivalent to 7 /8s, 44 /16s and 0 /24s
Percentage of available LACNIC address space announced: 71.7
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: 9763
Total AfriNIC prefixes after maximum aggregation: 2335
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 10351
Unique aggregates announced from the AfriNIC address blocks: 3605
AfriNIC Region origin ASes present in the Internet Routing Table: 583
AfriNIC Prefixes per ASN: 17.75
AfriNIC Region origin ASes announcing only one prefix: 186
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: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 42883584
Equivalent to 2 /8s, 142 /16s and 90 /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 2932 11557 902 Korea Telecom (KIX)
17974 2428 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1812 301 90 TPG Internet Pty Ltd
4755 1649 381 169 TATA Communications formerly
9829 1413 1156 42 BSNL National Internet Backbo
9583 1182 88 498 Sify Limited
7552 1140 1062 11 Vietel Corporation
4808 1128 2056 318 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1026 307 70 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 3195 994 217 Windstream Communications Inc
6389 3131 3718 141 bellsouth.net, inc.
18566 2082 382 180 Covad Communications
22773 1941 2932 131 Cox Communications, Inc.
1785 1936 678 124 PaeTec Communications, Inc.
20115 1687 1607 623 Charter Communications
4323 1591 1153 396 Time Warner Telecom
30036 1371 290 755 Mediacom Communications Corp
7018 1289 10533 855 AT&T WorldNet Services
7011 1215 322 692 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 1801 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
34984 865 211 223 BILISIM TELEKOM
12479 859 777 64 Uni2 Autonomous System
13188 747 95 133 Educational Network
31148 738 38 13 FreeNet ISP
6830 715 2313 436 UPC Distribution Services
20940 706 227 545 Akamai Technologies European
58113 613 68 372 LIR DATACENTER TELECOM SRL
8551 603 367 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 2263 386 207 TVCABLE BOGOTA
28573 2217 1290 66 NET Servicos de Comunicao S.A
7303 1671 1138 202 Telecom Argentina Stet-France
8151 1604 3028 356 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 759 85 93 Telconet S.A
3816 660 309 71 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 602 716 18 Global Village Telecom
22047 579 326 15 VTR PUNTO NET 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 772 48 3 MOBITEL
8452 639 958 13 TEDATA
6713 499 602 20 Itissalat Al-MAGHRIB
24835 291 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 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 3195 994 217 Windstream Communications Inc
6389 3131 3718 141 bellsouth.net, inc.
4766 2932 11557 902 Korea Telecom (KIX)
17974 2428 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2263 386 207 TVCABLE BOGOTA
28573 2217 1290 66 NET Servicos de Comunicao S.A
18566 2082 382 180 Covad Communications
22773 1941 2932 131 Cox Communications, Inc.
1785 1936 678 124 PaeTec Communications, Inc.
7545 1812 301 90 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 3131 2990 bellsouth.net, inc.
17974 2428 2382 PT TELEKOMUNIKASI INDONESIA
28573 2217 2151 NET Servicos de Comunicao S.A
10620 2263 2056 TVCABLE BOGOTA
4766 2932 2030 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
1785 1936 1812 PaeTec Communications, Inc.
22773 1941 1810 Cox Communications, Inc.
8402 1801 1785 Corbina telecom
7545 1812 1722 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
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
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
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<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 Power Pulse
65.111.1.0/24 32258 SDN Global
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
/13:477 /14:856 /15:1549 /16:12473 /17:6568 /18:10963
/19:21575 /20:30845 /21:32871 /22:44003 /23:40713 /24:229001
/25:1356 /26:1741 /27:867 /28:185 /29:80 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2622 3195 Windstream Communications Inc
18566 2032 2082 Covad Communications
6389 1776 3131 bellsouth.net, inc.
8402 1530 1801 Corbina telecom
30036 1279 1371 Mediacom Communications Corp
22773 1275 1941 Cox Communications, Inc.
11492 1147 1183 Cable One
6503 1055 1538 AVANTEL, S.A.
1785 1021 1936 PaeTec Communications, Inc.
7011 953 1215 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:647 2:743 3:1 4:13 5:676 6:3
8:488 12:1950 13:3 14:703 15:11 16:3
17:6 20:27 23:215 24:1791 27:1434 31:1315
32:54 33:2 34:2 36:7 37:1076 38:841
39:2 40:140 41:2708 42:179 44:3 46:1711
47:3 49:512 50:623 52:12 54:27 55:7
57:28 58:1065 59:550 60:235 61:1288 62:1030
63:2025 64:4361 65:2206 66:4489 67:2083 68:1185
69:3250 70:921 71:548 72:1879 74:2626 75:480
76:292 77:1033 78:1003 79:509 80:1211 81:982
82:626 83:532 84:531 85:1154 86:457 87:960
88:350 89:1731 90:305 91:5355 92:589 93:1613
94:2012 95:1613 96:457 97:322 98:973 99:40
100:31 101:286 103:1917 105:517 106:117 107:203
108:491 109:1695 110:825 111:977 112:460 113:740
114:644 115:895 116:887 117:778 118:960 119:1256
120:379 121:680 122:1725 123:1171 124:1323 125:1288
128:550 129:201 130:296 131:642 132:319 133:142
134:256 135:62 136:215 137:235 138:344 139:167
140:181 141:304 142:508 143:355 144:489 145:81
146:521 147:264 148:735 149:328 150:154 151:239
152:399 153:187 154:22 155:440 156:227 157:381
158:256 159:678 160:335 161:414 162:377 163:193
164:582 165:451 166:476 167:567 168:993 169:131
170:993 171:164 172:6 173:1709 174:632 175:461
176:883 177:1457 178:1701 180:1354 181:181 182:1120
183:305 184:625 185:122 186:2123 187:1444 188:1800
189:1638 190:6153 192:6094 193:5820 194:4649 195:3660
196:1244 197:280 198:3992 199:5129 200:6027 201:1990
202:8833 203:8744 204:4446 205:2561 206:2758 207:2819
208:4072 209:3656 210:2902 211:1533 212:2097 213:1877
214:887 215:74 216:5179 217:1614 218:591 219:320
220:1260 221:542 222:336 223:365
End of report
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