* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Mon 24 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427932
Prefixes after maximum aggregation: 178438
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 208838
Total ASes present in the Internet Routing Table: 42147
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 33630
Origin ASes announcing only one prefix: 15770
Transit ASes present in the Internet Routing Table: 5608
Transit-only ASes present in the Internet Routing Table: 136
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: 759
Unregistered ASNs in the Routing Table: 272
Number of 32-bit ASNs allocated by the RIRs: 3313
Number of 32-bit ASNs visible in the Routing Table: 2909
Prefixes from 32-bit ASNs in the Routing Table: 7814
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 164
Number of addresses announced to Internet: 2598258892
Equivalent to 154 /8s, 222 /16s and 72 /24s
Percentage of available address space announced: 70.2
Percentage of allocated address space announced: 70.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.7
Total number of prefixes smaller than registry allocations: 150988
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102870
Total APNIC prefixes after maximum aggregation: 32531
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 103525
Unique aggregates announced from the APNIC address blocks: 42738
APNIC Region origin ASes present in the Internet Routing Table: 4759
APNIC Prefixes per ASN: 21.75
APNIC Region origin ASes announcing only one prefix: 1237
APNIC Region transit ASes present in the Internet Routing Table: 767
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: 316
Number of APNIC addresses announced to Internet: 708542016
Equivalent to 42 /8s, 59 /16s and 126 /24s
Percentage of available APNIC address space announced: 82.8
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: 154447
Total ARIN prefixes after maximum aggregation: 78115
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155390
Unique aggregates announced from the ARIN address blocks: 69103
ARIN Region origin ASes present in the Internet Routing Table: 15247
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5765
ARIN Region transit ASes present in the Internet Routing Table: 1596
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1084552576
Equivalent to 64 /8s, 164 /16s and 245 /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: 108972
Total RIPE prefixes after maximum aggregation: 57051
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 111501
Unique aggregates announced from the RIPE address blocks: 71113
RIPE Region origin ASes present in the Internet Routing Table: 16855
RIPE Prefixes per ASN: 6.62
RIPE Region origin ASes announcing only one prefix: 8151
RIPE Region transit ASes present in the Internet Routing Table: 2712
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: 1890
Number of RIPE addresses announced to Internet: 646362596
Equivalent to 38 /8s, 134 /16s and 181 /24s
Percentage of available RIPE address space announced: 94.0
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: 43889
Total LACNIC prefixes after maximum aggregation: 8468
LACNIC Deaggregation factor: 5.18
Prefixes being announced from the LACNIC address blocks: 47057
Unique aggregates announced from the LACNIC address blocks: 22291
LACNIC Region origin ASes present in the Internet Routing Table: 1648
LACNIC Prefixes per ASN: 28.55
LACNIC Region origin ASes announcing only one prefix: 444
LACNIC Region transit ASes present in the Internet Routing Table: 320
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 680
Number of LACNIC addresses announced to Internet: 116703016
Equivalent to 6 /8s, 244 /16s and 191 /24s
Percentage of available LACNIC address space announced: 69.6
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: 9816
Total AfriNIC prefixes after maximum aggregation: 2216
AfriNIC Deaggregation factor: 4.43
Prefixes being announced from the AfriNIC address blocks: 10295
Unique aggregates announced from the AfriNIC address blocks: 3458
AfriNIC Region origin ASes present in the Internet Routing Table: 560
AfriNIC Prefixes per ASN: 18.38
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 129
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: 41819392
Equivalent to 2 /8s, 126 /16s and 29 /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 2973 11429 901 Korea Telecom (KIX)
17974 2354 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1760 301 87 TPG Internet Pty Ltd
4755 1620 387 162 TATA Communications formerly
9829 1336 1106 41 BSNL National Internet Backbo
9583 1197 88 514 Sify Limited
7552 1136 1062 11 Vietel Corporation
4808 1119 2044 317 CNCGROUP IP network: China169
24560 1041 386 160 Bharti Airtel Ltd., Telemedia
18101 1014 135 169 Reliance Infocom Ltd Internet
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 3309 3733 185 bellsouth.net, inc.
7029 3168 990 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1916 678 127 PaeTec Communications, Inc.
22773 1886 2931 128 Cox Communications, Inc.
20115 1661 1580 614 Charter Communications
4323 1575 1153 386 Time Warner Telecom
30036 1381 273 735 Mediacom Communications Corp
7018 1249 10319 833 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 1724 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 774 206 181 BILISIM TELEKOM
6830 724 2313 448 UPC Distribution Services
31148 709 37 9 FreeNet ISP
20940 704 224 541 Akamai Technologies European
13188 694 92 157 Educational Network
58113 631 70 366 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 2164 370 219 TVCABLE BOGOTA
28573 2136 1249 55 NET Servicos de Comunicao S.A
8151 1579 3037 350 UniNet S.A. de C.V.
7303 1564 1034 200 Telecom Argentina Stet-France
6503 1535 435 68 AVANTEL, S.A.
27947 721 74 91 Telconet S.A
6458 680 81 15 GUATEL
3816 642 309 53 Empresa Nacional de Telecomun
11172 592 85 69 Servicios Alestra S.A de C.V
14420 587 86 101 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 883 275 36 LINKdotNET AS number
8452 796 958 13 TEDATA
36998 772 48 3 MOBITEL
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 264 904 224 The Internet Solution
33776 216 13 11 Starcomms Nigeria Limited
12258 194 28 66 Vodacom Internet Company
15706 192 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 3309 3733 185 bellsouth.net, inc.
7029 3168 990 161 Windstream Communications Inc
4766 2973 11429 901 Korea Telecom (KIX)
17974 2354 702 54 PT TELEKOMUNIKASI INDONESIA
10620 2164 370 219 TVCABLE BOGOTA
28573 2136 1249 55 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1916 678 127 PaeTec Communications, Inc.
22773 1886 2931 128 Cox Communications, Inc.
7545 1760 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 3168 3007 Windstream Communications Inc
17974 2354 2300 PT TELEKOMUNIKASI INDONESIA
28573 2136 2081 NET Servicos de Comunicao S.A
4766 2973 2072 Korea Telecom (KIX)
10620 2164 1945 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1916 1789 PaeTec Communications, Inc.
22773 1886 1758 Cox Communications, Inc.
8402 1724 1708 Corbina telecom
7545 1760 1673 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
128.0.64.0/22 49466 Declic Telecom SAS
128.0.68.0/22 49466 Declic Telecom SAS
128.0.80.0/20 52041 Timer LTD
128.0.144.0/21 59675 >>UNKNOWN<<
128.0.160.0/21 23456 32-bit ASN transition
128.0.168.0/21 15772 W-NET Kiev
128.0.170.0/24 24685 ISP Elencom autonomous system
128.0.176.0/20 30764 PODA s.r.o.
128.0.192.0/21 51483 SaSG GmbH & Co. KG
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
/13:476 /14:844 /15:1548 /16:12406 /17:6474 /18:10864
/19:21103 /20:30291 /21:32240 /22:42606 /23:39981 /24:224454
/25:1392 /26:1670 /27:920 /28:175 /29:64 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2649 3168 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1840 3309 bellsouth.net, inc.
8402 1436 1724 Corbina telecom
30036 1315 1381 Mediacom Communications Corp
22773 1228 1886 Cox Communications, Inc.
15557 1173 1229 LDCOM NETWORKS
11492 1161 1198 Cable One
6503 1054 1535 AVANTEL, S.A.
1785 1015 1916 PaeTec Communications, Inc.
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:620 2:677 3:1 4:13 5:510 6:3
8:458 12:1985 13:1 14:662 15:11 16:3
17:6 20:27 23:206 24:1790 27:1333 31:1013
32:54 33:2 34:2 36:7 37:793 38:827
39:2 40:133 41:3053 42:158 44:3 46:1590
47:2 49:481 50:597 52:13 54:20 55:8
56:1 57:30 58:993 59:540 60:237 61:1287
62:984 63:1997 64:4275 65:2241 66:4511 67:2052
68:1168 69:3232 70:988 71:510 72:1874 74:2602
75:485 76:315 77:966 78:950 79:493 80:1272
81:965 82:633 83:531 84:621 85:1157 86:811
87:925 88:364 89:1796 90:304 91:5206 92:596
93:1552 94:1628 95:1187 96:414 97:322 98:973
99:39 100:23 101:262 103:1550 105:512 106:118
107:198 108:457 109:1946 110:803 111:1001 112:443
113:711 114:626 115:881 116:893 117:730 118:955
119:1258 120:307 121:687 122:1641 123:1168 124:1337
125:1275 128:563 129:184 130:283 131:633 132:310
133:22 134:251 135:61 136:218 137:239 138:337
139:171 140:497 141:281 142:485 143:384 144:485
145:81 146:517 147:261 148:754 149:325 150:155
151:172 152:449 153:178 154:20 155:421 156:224
157:372 158:259 159:654 160:333 161:413 162:362
163:191 164:693 165:420 166:528 167:553 168:964
169:124 170:906 171:165 172:6 173:1694 174:613
175:446 176:795 177:1232 178:1609 180:1365 181:136
182:1069 183:296 184:604 185:6 186:2190 187:1248
188:1673 189:1585 190:6061 192:6032 193:5718 194:4563
195:3479 196:1219 197:220 198:3805 199:5028 200:6005
201:1976 202:8725 203:8724 204:4429 205:2536 206:2765
207:2873 208:4060 209:3666 210:2845 211:1530 212:1997
213:1826 214:864 215:87 216:5128 217:1548 218:568
219:315 220:1245 221:536 222:336 223:407
End of report
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