* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 21 Sep, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427549
Prefixes after maximum aggregation: 178457
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 208339
Total ASes present in the Internet Routing Table: 42142
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 33626
Origin ASes announcing only one prefix: 15765
Transit ASes present in the Internet Routing Table: 5612
Transit-only ASes present in the Internet Routing Table: 137
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: 736
Unregistered ASNs in the Routing Table: 266
Number of 32-bit ASNs allocated by the RIRs: 3302
Number of 32-bit ASNs visible in the Routing Table: 2904
Prefixes from 32-bit ASNs in the Routing Table: 7766
Special use prefixes present in the Routing Table: 9
Prefixes being announced from unallocated address space: 167
Number of addresses announced to Internet: 2597325076
Equivalent to 154 /8s, 208 /16s and 9 /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: 150834
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102760
Total APNIC prefixes after maximum aggregation: 32526
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 103411
Unique aggregates announced from the APNIC address blocks: 42728
APNIC Region origin ASes present in the Internet Routing Table: 4757
APNIC Prefixes per ASN: 21.74
APNIC Region origin ASes announcing only one prefix: 1241
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: 315
Number of APNIC addresses announced to Internet: 708408384
Equivalent to 42 /8s, 57 /16s and 116 /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: 154409
Total ARIN prefixes after maximum aggregation: 78151
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 155364
Unique aggregates announced from the ARIN address blocks: 69112
ARIN Region origin ASes present in the Internet Routing Table: 15243
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5752
ARIN Region transit ASes present in the Internet Routing Table: 1595
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: 1084257152
Equivalent to 64 /8s, 160 /16s and 115 /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: 108817
Total RIPE prefixes after maximum aggregation: 56896
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 111319
Unique aggregates announced from the RIPE address blocks: 70604
RIPE Region origin ASes present in the Internet Routing Table: 16859
RIPE Prefixes per ASN: 6.60
RIPE Region origin ASes announcing only one prefix: 8157
RIPE Region transit ASes present in the Internet Routing Table: 2718
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: 1888
Number of RIPE addresses announced to Internet: 646139876
Equivalent to 38 /8s, 131 /16s and 79 /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: 43824
Total LACNIC prefixes after maximum aggregation: 8610
LACNIC Deaggregation factor: 5.09
Prefixes being announced from the LACNIC address blocks: 46959
Unique aggregates announced from the LACNIC address blocks: 22264
LACNIC Region origin ASes present in the Internet Routing Table: 1646
LACNIC Prefixes per ASN: 28.53
LACNIC Region origin ASes announcing only one prefix: 442
LACNIC Region transit ASes present in the Internet Routing Table: 320
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 25
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 678
Number of LACNIC addresses announced to Internet: 116412784
Equivalent to 6 /8s, 240 /16s and 81 /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: 9849
Total AfriNIC prefixes after maximum aggregation: 2217
AfriNIC Deaggregation factor: 4.44
Prefixes being announced from the AfriNIC address blocks: 10329
Unique aggregates announced from the AfriNIC address blocks: 3493
AfriNIC Region origin ASes present in the Internet Routing Table: 563
AfriNIC Prefixes per ASN: 18.35
AfriNIC Region origin ASes announcing only one prefix: 173
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 41825280
Equivalent to 2 /8s, 126 /16s and 52 /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 2347 702 54 PT TELEKOMUNIKASI INDONESIA
7545 1760 301 87 TPG Internet Pty Ltd
4755 1619 387 162 TATA Communications formerly
9829 1335 1106 41 BSNL National Internet Backbo
9583 1180 87 513 Sify Limited
7552 1129 1062 11 Vietel Corporation
4808 1119 2048 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 3313 3733 186 bellsouth.net, inc.
7029 3164 990 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1917 678 129 PaeTec Communications, Inc.
22773 1883 2931 129 Cox Communications, Inc.
20115 1660 1580 615 Charter Communications
4323 1577 1153 387 Time Warner Telecom
30036 1377 273 740 Mediacom Communications Corp
7018 1250 10318 834 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 1701 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
20940 709 225 544 Akamai Technologies European
31148 709 37 9 FreeNet ISP
13188 680 99 40 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 2137 1249 55 NET Servicos de Comunicao S.A
8151 1583 3033 345 UniNet S.A. de C.V.
7303 1564 1034 200 Telecom Argentina Stet-France
6503 1522 435 68 AVANTEL, S.A.
27947 724 74 94 Telconet S.A
6458 680 81 15 GUATEL
11172 594 85 69 Servicios Alestra S.A de C.V
14420 584 85 98 CORPORACION NACIONAL DE TELEC
22047 580 326 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 882 275 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 263 904 223 The Internet Solution
33776 228 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 3313 3733 186 bellsouth.net, inc.
7029 3164 990 161 Windstream Communications Inc
4766 2977 11429 901 Korea Telecom (KIX)
17974 2347 702 54 PT TELEKOMUNIKASI INDONESIA
10620 2164 370 219 TVCABLE BOGOTA
28573 2137 1249 55 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1917 678 129 PaeTec Communications, Inc.
22773 1883 2931 129 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 3164 3003 Windstream Communications Inc
17974 2347 2293 PT TELEKOMUNIKASI INDONESIA
28573 2137 2082 NET Servicos de Comunicao S.A
4766 2977 2076 Korea Telecom (KIX)
10620 2164 1945 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1917 1788 PaeTec Communications, Inc.
22773 1883 1754 Cox Communications, Inc.
8402 1701 1685 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<<
128.0.168.0/21 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
/13:477 /14:841 /15:1549 /16:12408 /17:6471 /18:10849
/19:21113 /20:30281 /21:32184 /22:42509 /23:39957 /24:224263
/25:1395 /26:1668 /27:921 /28:173 /29:66 /30:18
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2646 3164 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1841 3313 bellsouth.net, inc.
8402 1424 1701 Corbina telecom
30036 1311 1377 Mediacom Communications Corp
22773 1226 1883 Cox Communications, Inc.
15557 1173 1229 LDCOM NETWORKS
11492 1161 1198 Cable One
6503 1054 1522 AVANTEL, S.A.
1785 1015 1917 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 2:674 3:1 4:13 5:508 6:3
8:454 12:1991 13:1 14:662 15:11 16:3
17:6 20:27 23:206 24:1789 27:1334 31:1014
32:76 33:2 34:2 36:7 37:784 38:829
39:2 40:133 41:3102 42:158 44:3 46:1587
47:2 49:481 50:592 52:13 54:20 55:9
56:1 57:30 58:987 59:540 60:237 61:1286
62:983 63:1994 64:4263 65:2243 66:4501 67:2054
68:1166 69:3217 70:987 71:509 72:1872 74:2601
75:485 76:314 77:966 78:958 79:493 80:1268
81:964 82:633 83:528 84:626 85:1153 86:810
87:922 88:363 89:1801 90:304 91:5202 92:580
93:1547 94:1619 95:1157 96:417 97:319 98:981
99:39 100:23 101:262 103:1544 105:512 106:118
107:198 108:456 109:1947 110:798 111:1003 112:452
113:704 114:627 115:839 116:886 117:733 118:962
119:1257 120:308 121:688 122:1646 123:1169 124:1329
125:1274 128:551 129:184 130:283 131:628 132:314
133:22 134:250 135:61 136:218 137:239 138:338
139:171 140:498 141:282 142:487 143:382 144:500
145:81 146:518 147:272 148:742 149:323 150:156
151:172 152:451 153:178 154:20 155:421 156:226
157:373 158:261 159:652 160:342 161:414 162:363
163:191 164:690 165:421 166:538 167:552 168:965
169:125 170:909 171:161 172:7 173:1681 174:614
175:447 176:797 177:1226 178:1595 180:1352 181:136
182:1056 183:295 184:604 185:1 186:2228 187:1244
188:1674 189:1578 190:6030 192:6032 193:5737 194:4560
195:3464 196:1212 197:220 198:3797 199:5015 200:6000
201:1974 202:8709 203:8716 204:4426 205:2543 206:2760
207:2874 208:4064 209:3663 210:2844 211:1535 212:1991
213:1824 214:883 215:87 216:5129 217:1551 218:566
219:315 220:1242 221:536 222:336 223:391
End of report
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