* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 30 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 429652
Prefixes after maximum aggregation: 179521
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 211227
Total ASes present in the Internet Routing Table: 42483
Prefixes per ASN: 10.11
Origin-only ASes present in the Internet Routing Table: 33762
Origin ASes announcing only one prefix: 15829
Transit ASes present in the Internet Routing Table: 5668
Transit-only ASes present in the Internet Routing Table: 146
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: 875
Unregistered ASNs in the Routing Table: 323
Number of 32-bit ASNs allocated by the RIRs: 3418
Number of 32-bit ASNs visible in the Routing Table: 3053
Prefixes from 32-bit ASNs in the Routing Table: 8274
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 155
Number of addresses announced to Internet: 2609432556
Equivalent to 155 /8s, 136 /16s and 199 /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: 150852
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103764
Total APNIC prefixes after maximum aggregation: 32636
APNIC Deaggregation factor: 3.18
Prefixes being announced from the APNIC address blocks: 104542
Unique aggregates announced from the APNIC address blocks: 42999
APNIC Region origin ASes present in the Internet Routing Table: 4789
APNIC Prefixes per ASN: 21.83
APNIC Region origin ASes announcing only one prefix: 1249
APNIC Region transit ASes present in the Internet Routing Table: 782
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: 342
Number of APNIC addresses announced to Internet: 712267808
Equivalent to 42 /8s, 116 /16s and 88 /24s
Percentage of available APNIC address space announced: 83.2
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: 154946
Total ARIN prefixes after maximum aggregation: 78347
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155802
Unique aggregates announced from the ARIN address blocks: 69699
ARIN Region origin ASes present in the Internet Routing Table: 15286
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5787
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: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087356800
Equivalent to 64 /8s, 207 /16s and 191 /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: 108836
Total RIPE prefixes after maximum aggregation: 57533
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111513
Unique aggregates announced from the RIPE address blocks: 72143
RIPE Region origin ASes present in the Internet Routing Table: 16921
RIPE Prefixes per ASN: 6.59
RIPE Region origin ASes announcing only one prefix: 8148
RIPE Region transit ASes present in the Internet Routing Table: 2752
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1984
Number of RIPE addresses announced to Internet: 648509988
Equivalent to 38 /8s, 167 /16s and 122 /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: 44080
Total LACNIC prefixes after maximum aggregation: 8721
LACNIC Deaggregation factor: 5.05
Prefixes being announced from the LACNIC address blocks: 47510
Unique aggregates announced from the LACNIC address blocks: 22804
LACNIC Region origin ASes present in the Internet Routing Table: 1690
LACNIC Prefixes per ASN: 28.11
LACNIC Region origin ASes announcing only one prefix: 474
LACNIC Region transit ASes present in the Internet Routing Table: 322
Average LACNIC Region AS path length visible: 4.6
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 704
Number of LACNIC addresses announced to Internet: 118379048
Equivalent to 7 /8s, 14 /16s and 82 /24s
Percentage of available LACNIC address space announced: 70.6
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: 9636
Total AfriNIC prefixes after maximum aggregation: 2230
AfriNIC Deaggregation factor: 4.32
Prefixes being announced from the AfriNIC address blocks: 10130
Unique aggregates announced from the AfriNIC address blocks: 3446
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.93
AfriNIC Region origin ASes announcing only one prefix: 171
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: 42628608
Equivalent to 2 /8s, 138 /16s and 118 /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 2972 11558 900 Korea Telecom (KIX)
17974 2418 829 55 PT TELEKOMUNIKASI INDONESIA
7545 1784 301 85 TPG Internet Pty Ltd
4755 1618 376 159 TATA Communications formerly
9829 1409 1154 41 BSNL National Internet Backbo
9583 1190 88 508 Sify Limited
4808 1113 2056 315 CNCGROUP IP network: China169
7552 1106 1062 11 Vietel Corporation
24560 1035 385 162 Bharti Airtel Ltd., Telemedia
9498 1026 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 3176 3723 162 bellsouth.net, inc.
7029 3134 990 162 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1928 678 126 PaeTec Communications, Inc.
22773 1911 2931 128 Cox Communications, Inc.
20115 1665 1583 628 Charter Communications
4323 1593 1155 394 Time Warner Telecom
30036 1364 274 735 Mediacom Communications Corp
7018 1273 10289 849 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 1791 544 16 Corbina telecom
12479 853 776 64 Uni2 Autonomous System
34984 822 207 198 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
6830 723 2314 445 UPC Distribution Services
13188 708 93 135 Educational Network
20940 699 223 548 Akamai Technologies European
2118 664 97 14 EUnet/RELCOM Autonomous Syste
58113 601 66 364 LIR DATACENTER TELECOM SRL
8551 595 364 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 2233 380 225 TVCABLE BOGOTA
28573 2134 1278 61 NET Servicos de Comunicao S.A
7303 1661 1131 201 Telecom Argentina Stet-France
8151 1588 3030 356 UniNet S.A. de C.V.
6503 1540 435 68 AVANTEL, S.A.
27947 691 77 90 Telconet S.A
3816 653 309 69 Empresa Nacional de Telecomun
14420 593 89 103 CORPORACION NACIONAL DE TELEC
11172 589 85 65 Servicios Alestra S.A de C.V
7738 585 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 899 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 651 958 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 172 697 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
6389 3176 3723 162 bellsouth.net, inc.
7029 3134 990 162 Windstream Communications Inc
4766 2972 11558 900 Korea Telecom (KIX)
17974 2418 829 55 PT TELEKOMUNIKASI INDONESIA
10620 2233 380 225 TVCABLE BOGOTA
28573 2134 1278 61 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1928 678 126 PaeTec Communications, Inc.
22773 1911 2931 128 Cox Communications, Inc.
8402 1791 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 3134 2972 Windstream Communications Inc
17974 2418 2363 PT TELEKOMUNIKASI INDONESIA
28573 2134 2073 NET Servicos de Comunicao S.A
4766 2972 2072 Korea Telecom (KIX)
10620 2233 2008 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1928 1802 PaeTec Communications, Inc.
22773 1911 1783 Cox Communications, Inc.
8402 1791 1775 Corbina telecom
7545 1784 1699 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
61408 UNALLOCATED 5.56.0.0/22 174 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
59457 UNALLOCATED 5.149.64.0/24 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 /12:243
/13:478 /14:849 /15:1549 /16:12457 /17:6517 /18:10862
/19:21210 /20:30594 /21:32576 /22:43121 /23:40255 /24:224543
/25:1351 /26:1691 /27:908 /28:179 /29:79 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2623 3134 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1791 3176 bellsouth.net, inc.
8402 1507 1791 Corbina telecom
30036 1285 1364 Mediacom Communications Corp
22773 1251 1911 Cox Communications, Inc.
11492 1149 1184 Cable One
6503 1054 1540 AVANTEL, S.A.
1785 1018 1928 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)
----------------------------------------------
1:646 2:743 3:1 4:13 5:584 6:3
8:479 12:1975 13:3 14:682 15:11 16:3
17:6 20:27 23:211 24:1789 27:1371 31:1027
32:54 33:2 34:2 36:7 37:919 38:832
39:2 40:136 41:2772 42:175 44:3 46:1622
47:2 49:458 50:606 52:12 54:26 55:6
56:4 57:27 58:988 59:547 60:237 61:1301
62:972 63:2003 64:4283 65:2226 66:4530 67:2112
68:1162 69:3239 70:986 71:506 72:1882 74:2613
75:478 76:308 77:983 78:1004 79:508 80:1233
81:982 82:624 83:542 84:525 85:1148 86:491
87:941 88:358 89:1787 90:303 91:5279 92:588
93:1460 94:1675 95:1263 96:408 97:324 98:968
99:39 100:30 101:292 103:1722 105:513 106:122
107:201 108:473 109:1615 110:813 111:976 112:437
113:734 114:633 115:869 116:887 117:758 118:948
119:1225 120:360 121:694 122:1693 123:1159 124:1340
125:1283 128:566 129:198 130:284 131:644 132:309
133:142 134:252 135:62 136:219 137:238 138:337
139:170 140:492 141:289 142:491 143:377 144:498
145:82 146:518 147:269 148:736 149:330 150:158
151:205 152:450 153:183 154:21 155:437 156:227
157:365 158:286 159:664 160:337 161:414 162:365
163:191 164:701 165:449 166:513 167:560 168:1001
169:125 170:917 171:152 172:7 173:1701 174:628
175:456 176:772 177:1318 178:1619 180:1364 181:157
182:1108 183:314 184:611 185:43 186:2160 187:1384
188:1719 189:1590 190:5886 192:6039 193:5542 194:4277
195:3460 196:1234 197:247 198:3891 199:5087 200:6010
201:1958 202:8707 203:8717 204:4404 205:2525 206:2738
207:2800 208:4050 209:3627 210:2838 211:1537 212:2084
213:1832 214:874 215:88 216:5133 217:1551 218:571
219:305 220:1259 221:529 222:338 223:406
End of report
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