* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 19 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427390
Prefixes after maximum aggregation: 178182
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 207879
Total ASes present in the Internet Routing Table: 42122
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 33624
Origin ASes announcing only one prefix: 15759
Transit ASes present in the Internet Routing Table: 5602
Transit-only ASes present in the Internet Routing Table: 139
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 32
Max AS path prepend of ASN ( 48687) 24
Prefixes from unregistered ASNs in the Routing Table: 731
Unregistered ASNs in the Routing Table: 258
Number of 32-bit ASNs allocated by the RIRs: 3291
Number of 32-bit ASNs visible in the Routing Table: 2896
Prefixes from 32-bit ASNs in the Routing Table: 7713
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 168
Number of addresses announced to Internet: 2596502476
Equivalent to 154 /8s, 195 /16s and 123 /24s
Percentage of available address space announced: 70.1
Percentage of allocated address space announced: 70.1
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.6
Total number of prefixes smaller than registry allocations: 150887
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102634
Total APNIC prefixes after maximum aggregation: 32506
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 103284
Unique aggregates announced from the APNIC address blocks: 42707
APNIC Region origin ASes present in the Internet Routing Table: 4759
APNIC Prefixes per ASN: 21.70
APNIC Region origin ASes announcing only one prefix: 1242
APNIC Region transit ASes present in the Internet Routing Table: 766
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: 312
Number of APNIC addresses announced to Internet: 707865152
Equivalent to 42 /8s, 49 /16s and 42 /24s
Percentage of available APNIC address space announced: 82.7
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: 154410
Total ARIN prefixes after maximum aggregation: 78126
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155376
Unique aggregates announced from the ARIN address blocks: 69136
ARIN Region origin ASes present in the Internet Routing Table: 15244
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5750
ARIN Region transit ASes present in the Internet Routing Table: 1594
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1084197504
Equivalent to 64 /8s, 159 /16s and 138 /24s
Percentage of available ARIN address space announced: 57.4
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: 108838
Total RIPE prefixes after maximum aggregation: 56790
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 111316
Unique aggregates announced from the RIPE address blocks: 70301
RIPE Region origin ASes present in the Internet Routing Table: 16838
RIPE Prefixes per ASN: 6.61
RIPE Region origin ASes announcing only one prefix: 8149
RIPE Region transit ASes present in the Internet Routing Table: 2709
Average RIPE Region AS path length visible: 5.1
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1882
Number of RIPE addresses announced to Internet: 645912548
Equivalent to 38 /8s, 127 /16s and 215 /24s
Percentage of available RIPE address space announced: 93.9
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: 43806
Total LACNIC prefixes after maximum aggregation: 8482
LACNIC Deaggregation factor: 5.16
Prefixes being announced from the LACNIC address blocks: 46899
Unique aggregates announced from the LACNIC address blocks: 22118
LACNIC Region origin ASes present in the Internet Routing Table: 1649
LACNIC Prefixes per ASN: 28.44
LACNIC Region origin ASes announcing only one prefix: 444
LACNIC Region transit ASes present in the Internet Routing Table: 321
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 679
Number of LACNIC addresses announced to Internet: 116418088
Equivalent to 6 /8s, 240 /16s and 102 /24s
Percentage of available LACNIC address space announced: 69.4
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: 9868
Total AfriNIC prefixes after maximum aggregation: 2220
AfriNIC Deaggregation factor: 4.45
Prefixes being announced from the AfriNIC address blocks: 10347
Unique aggregates announced from the AfriNIC address blocks: 3478
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 18.38
AfriNIC Region origin ASes announcing only one prefix: 174
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 41824768
Equivalent to 2 /8s, 126 /16s and 50 /24s
Percentage of available AfriNIC address space announced: 41.5
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 2977 11429 901 Korea Telecom (KIX)
17974 2340 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1759 301 87 TPG Internet Pty Ltd
4755 1619 387 162 TATA Communications formerly
9829 1335 1106 41 BSNL National Internet Backbo
9583 1177 87 513 Sify Limited
7552 1128 1062 11 Vietel Corporation
4808 1121 2048 318 CNCGROUP IP network: China169
24560 1041 386 160 Bharti Airtel Ltd., Telemedia
9498 1010 310 73 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 3325 3734 186 bellsouth.net, inc.
7029 3153 990 161 Windstream Communications Inc
18566 2085 382 180 Covad Communications
1785 1915 678 128 PaeTec Communications, Inc.
22773 1883 2931 129 Cox Communications, Inc.
20115 1659 1579 616 Charter Communications
4323 1576 1153 387 Time Warner Telecom
30036 1378 272 745 Mediacom Communications Corp
7018 1246 10317 831 AT&T WorldNet Services
7011 1204 329 698 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 1747 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
15557 1229 2247 55 LDCOM NETWORKS
12479 844 774 77 Uni2 Autonomous System
34984 766 205 179 BILISIM TELEKOM
6830 724 2313 448 UPC Distribution Services
20940 721 230 553 Akamai Technologies European
31148 709 37 9 FreeNet ISP
13188 677 100 9 Educational Network
58113 617 69 362 LIR DATACENTER TELECOM SRL
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 2158 369 216 TVCABLE BOGOTA
28573 2135 1248 60 NET Servicos de Comunicao S.A
8151 1572 3033 344 UniNet S.A. de C.V.
7303 1565 1034 199 Telecom Argentina Stet-France
6503 1536 435 68 AVANTEL, S.A.
27947 724 74 94 Telconet S.A
6458 712 81 15 GUATEL
3816 643 309 54 Empresa Nacional de Telecomun
11172 593 85 69 Servicios Alestra S.A de C.V
14420 583 85 101 CORPORACION NACIONAL DE TELEC
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 881 275 36 LINKdotNET AS number
8452 801 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 263 904 223 The Internet Solution
33776 228 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
15706 193 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
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 3325 3734 186 bellsouth.net, inc.
7029 3153 990 161 Windstream Communications Inc
4766 2977 11429 901 Korea Telecom (KIX)
17974 2340 702 54 PT TELEKOMUNIKASI INDONESIA
10620 2158 369 216 TVCABLE BOGOTA
28573 2135 1248 60 NET Servicos de Comunicao S.A
18566 2085 382 180 Covad Communications
1785 1915 678 128 PaeTec Communications, Inc.
22773 1883 2931 129 Cox Communications, Inc.
7545 1759 301 87 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
7029 3153 2992 Windstream Communications Inc
17974 2340 2286 PT TELEKOMUNIKASI INDONESIA
4766 2977 2076 Korea Telecom (KIX)
28573 2135 2075 NET Servicos de Comunicao S.A
10620 2158 1942 TVCABLE BOGOTA
18566 2085 1905 Covad Communications
1785 1915 1787 PaeTec Communications, Inc.
22773 1883 1754 Cox Communications, Inc.
8402 1747 1731 Corbina telecom
7545 1759 1672 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 12658 Dexterity Networks L
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
128.0.80.0/20 52041 Timer LTD
128.0.144.0/21 59675 >>UNKNOWN<<
128.0.176.0/20 30764 PODA s.r.o.
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 /11:84 /12:237
/13:477 /14:843 /15:1548 /16:12397 /17:6471 /18:10829
/19:21078 /20:30258 /21:32179 /22:42493 /23:39917 /24:224232
/25:1411 /26:1673 /27:923 /28:173 /29:64 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2640 3153 Windstream Communications Inc
18566 2035 2085 Covad Communications
6389 1848 3325 bellsouth.net, inc.
8402 1469 1747 Corbina telecom
30036 1313 1378 Mediacom Communications Corp
22773 1226 1883 Cox Communications, Inc.
15557 1173 1229 LDCOM NETWORKS
11492 1161 1198 Cable One
6503 1054 1536 AVANTEL, S.A.
1785 1015 1915 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:623 2:627 3:1 4:13 5:492 6:3
8:457 12:1998 13:1 14:665 15:11 16:3
17:6 20:27 23:207 24:1791 27:1330 31:1020
32:78 33:2 34:2 36:7 37:779 38:830
39:2 40:133 41:3093 42:158 44:3 46:1591
47:2 49:480 50:591 52:13 54:18 55:8
56:1 57:31 58:986 59:538 60:238 61:1287
62:983 63:1995 64:4265 65:2238 66:4500 67:2046
68:1169 69:3217 70:980 71:509 72:1869 74:2598
75:484 76:314 77:967 78:964 79:493 80:1267
81:962 82:631 83:531 84:625 85:1153 86:811
87:926 88:360 89:1796 90:303 91:5195 92:578
93:1542 94:1619 95:1263 96:416 97:319 98:990
99:39 100:23 101:261 103:1541 105:512 106:118
107:198 108:456 109:1948 110:798 111:970 112:452
113:706 114:646 115:838 116:888 117:733 118:941
119:1259 120:307 121:689 122:1644 123:1165 124:1351
125:1277 128:551 129:184 130:281 131:632 132:308
133:22 134:250 135:61 136:218 137:238 138:342
139:171 140:497 141:283 142:486 143:376 144:497
145:80 146:520 147:264 148:760 149:325 150:156
151:172 152:450 153:178 154:20 155:421 156:226
157:381 158:186 159:653 160:341 161:414 162:358
163:190 164:690 165:421 166:539 167:551 168:964
169:125 170:909 171:160 172:7 173:1679 174:618
175:436 176:798 177:1164 178:1637 180:1358 181:136
182:1054 183:295 184:603 186:2230 187:1243 188:1669
189:1576 190:6058 192:6033 193:5732 194:4557 195:3458
196:1213 197:218 198:3799 199:5008 200:6000 201:1975
202:8730 203:8726 204:4428 205:2552 206:2779 207:2874
208:4066 209:3665 210:2835 211:1534 212:2028 213:1810
214:884 215:87 216:5129 217:1551 218:566 219:315
220:1241 221:536 222:336 223:371
End of report
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