* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 06 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 434823
Prefixes after maximum aggregation: 180439
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 213268
Total ASes present in the Internet Routing Table: 42760
Prefixes per ASN: 10.17
Origin-only ASes present in the Internet Routing Table: 33878
Origin ASes announcing only one prefix: 15832
Transit ASes present in the Internet Routing Table: 5704
Transit-only ASes present in the Internet Routing Table: 135
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: 1139
Unregistered ASNs in the Routing Table: 414
Number of 32-bit ASNs allocated by the RIRs: 3553
Number of 32-bit ASNs visible in the Routing Table: 3178
Prefixes from 32-bit ASNs in the Routing Table: 8515
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 148
Number of addresses announced to Internet: 2617444044
Equivalent to 156 /8s, 3 /16s and 6 /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: 153162
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104814
Total APNIC prefixes after maximum aggregation: 32679
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105673
Unique aggregates announced from the APNIC address blocks: 43351
APNIC Region origin ASes present in the Internet Routing Table: 4804
APNIC Prefixes per ASN: 22.00
APNIC Region origin ASes announcing only one prefix: 1247
APNIC Region transit ASes present in the Internet Routing Table: 789
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: 380
Number of APNIC addresses announced to Internet: 715751168
Equivalent to 42 /8s, 169 /16s and 127 /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: 155105
Total ARIN prefixes after maximum aggregation: 78439
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155991
Unique aggregates announced from the ARIN address blocks: 69914
ARIN Region origin ASes present in the Internet Routing Table: 15319
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5774
ARIN Region transit ASes present in the Internet Routing Table: 1597
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: 1087547008
Equivalent to 64 /8s, 210 /16s and 166 /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: 111691
Total RIPE prefixes after maximum aggregation: 58015
RIPE Deaggregation factor: 1.93
Prefixes being announced from the RIPE address blocks: 114558
Unique aggregates announced from the RIPE address blocks: 73394
RIPE Region origin ASes present in the Internet Routing Table: 16977
RIPE Prefixes per ASN: 6.75
RIPE Region origin ASes announcing only one prefix: 8134
RIPE Region transit ASes present in the Internet Routing Table: 2762
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: 2060
Number of RIPE addresses announced to Internet: 649540900
Equivalent to 38 /8s, 183 /16s and 53 /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: 44812
Total LACNIC prefixes after maximum aggregation: 8919
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48097
Unique aggregates announced from the LACNIC address blocks: 22870
LACNIC Region origin ASes present in the Internet Routing Table: 1733
LACNIC Prefixes per ASN: 27.75
LACNIC Region origin ASes announcing only one prefix: 493
LACNIC Region transit ASes present in the Internet Routing Table: 329
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: 714
Number of LACNIC addresses announced to Internet: 120236072
Equivalent to 7 /8s, 42 /16s and 168 /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: 9774
Total AfriNIC prefixes after maximum aggregation: 2334
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 10356
Unique aggregates announced from the AfriNIC address blocks: 3610
AfriNIC Region origin ASes present in the Internet Routing Table: 583
AfriNIC Prefixes per ASN: 17.76
AfriNIC Region origin ASes announcing only one prefix: 184
AfriNIC Region transit ASes present in the Internet Routing Table: 127
Average AfriNIC Region AS path length visible: 4.7
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: 43012864
Equivalent to 2 /8s, 144 /16s and 83 /24s
Percentage of available AfriNIC address space announced: 42.7
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 2920 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1810 301 90 TPG Internet Pty Ltd
4755 1623 374 159 TATA Communications formerly
9829 1412 1155 42 BSNL National Internet Backbo
9583 1180 88 498 Sify Limited
7552 1140 1062 11 Vietel Corporation
4808 1125 2056 317 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1033 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
7029 3193 994 218 Windstream Communications Inc
6389 3142 3719 146 bellsouth.net, inc.
18566 2082 382 180 Covad Communications
22773 1941 2932 131 Cox Communications, Inc.
1785 1936 678 124 PaeTec Communications, Inc.
20115 1685 1606 624 Charter Communications
4323 1591 1153 395 Time Warner Telecom
30036 1350 282 755 Mediacom Communications Corp
7018 1278 10531 845 AT&T WorldNet Services
7011 1223 334 693 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 1793 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
12479 859 777 64 Uni2 Autonomous System
34984 851 210 217 BILISIM TELEKOM
13188 744 95 132 Educational Network
31148 738 38 13 FreeNet ISP
6830 717 2313 436 UPC Distribution Services
20940 706 227 546 Akamai Technologies European
58113 613 68 372 LIR DATACENTER TELECOM SRL
8551 601 367 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 2261 386 206 TVCABLE BOGOTA
28573 2191 1290 71 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
8151 1601 3024 354 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 755 77 92 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
7738 579 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 874 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 547 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 289 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
33776 191 12 13 Starcomms Nigeria Limited
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 3193 994 218 Windstream Communications Inc
6389 3142 3719 146 bellsouth.net, inc.
4766 2920 11557 900 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2261 386 206 TVCABLE BOGOTA
28573 2191 1290 71 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 1810 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 3142 2996 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
28573 2191 2120 NET Servicos de Comunicao S.A
10620 2261 2055 TVCABLE BOGOTA
4766 2920 2020 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
1785 1936 1812 PaeTec Communications, Inc.
22773 1941 1810 Cox Communications, Inc.
8402 1793 1777 Corbina telecom
7545 1810 1720 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
128.0.0.0/24 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 /15:1546 /16:12468 /17:6567 /18:10928
/19:21539 /20:30809 /21:32887 /22:43814 /23:40611 /24:227679
/25:1355 /26:1726 /27:866 /28:183 /29:79 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2617 3193 Windstream Communications Inc
18566 2032 2082 Covad Communications
6389 1780 3142 bellsouth.net, inc.
8402 1508 1793 Corbina telecom
22773 1274 1941 Cox Communications, Inc.
30036 1261 1350 Mediacom Communications Corp
11492 1146 1182 Cable One
6503 1055 1538 AVANTEL, S.A.
1785 1021 1936 PaeTec Communications, Inc.
7011 958 1223 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:649 2:724 3:1 4:13 5:663 6:3
8:487 12:1951 13:3 14:698 15:11 16:3
17:6 20:27 23:220 24:1787 27:1410 31:1297
32:54 33:2 34:2 36:7 37:1061 38:844
39:2 40:140 41:2695 42:179 44:3 46:1702
47:3 49:504 50:618 52:12 54:27 55:6
57:28 58:1068 59:552 60:234 61:1284 62:1027
63:2021 64:4349 65:2202 66:4496 67:2085 68:1181
69:3248 70:924 71:549 72:1893 74:2612 75:479
76:301 77:1020 78:1002 79:508 80:1223 81:982
82:624 83:539 84:530 85:1148 86:478 87:955
88:353 89:1756 90:305 91:5350 92:588 93:1553
94:2018 95:1362 96:410 97:322 98:960 99:40
100:31 101:286 103:1887 105:516 106:119 107:203
108:488 109:1688 110:819 111:972 112:463 113:735
114:643 115:898 116:885 117:777 118:966 119:1249
120:379 121:679 122:1731 123:1182 124:1327 125:1291
128:566 129:202 130:292 131:639 132:319 133:143
134:254 135:62 136:215 137:237 138:343 139:167
140:182 141:301 142:511 143:374 144:493 145:81
146:521 147:268 148:735 149:330 150:154 151:224
152:398 153:183 154:24 155:441 156:226 157:372
158:256 159:675 160:334 161:414 162:372 163:192
164:581 165:450 166:480 167:561 168:988 169:130
170:886 171:152 172:6 173:1698 174:620 175:443
176:858 177:1409 178:1699 180:1340 181:178 182:1119
183:308 184:625 185:112 186:2044 187:1402 188:1795
189:1607 190:5955 192:6071 193:5824 194:4636 195:3662
196:1248 197:279 198:3976 199:5119 200:6002 201:1989
202:8813 203:8716 204:4437 205:2535 206:2755 207:2801
208:4071 209:3649 210:2902 211:1533 212:2102 213:1874
214:891 215:75 216:5175 217:1605 218:591 219:315
220:1258 221:543 222:336 223:363
End of report
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