* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 31 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 428140
Prefixes after maximum aggregation: 178676
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 211057
Total ASes present in the Internet Routing Table: 42174
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 33465
Origin ASes announcing only one prefix: 15658
Transit ASes present in the Internet Routing Table: 5657
Transit-only ASes present in the Internet Routing Table: 148
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 42
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 861
Unregistered ASNs in the Routing Table: 318
Number of 32-bit ASNs allocated by the RIRs: 3418
Number of 32-bit ASNs visible in the Routing Table: 3052
Prefixes from 32-bit ASNs in the Routing Table: 8282
Special use prefixes present in the Routing Table: 13
Prefixes being announced from unallocated address space: 151
Number of addresses announced to Internet: 2608090220
Equivalent to 155 /8s, 116 /16s and 76 /24s
Percentage of available address space announced: 70.4
Percentage of allocated address space announced: 70.4
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: 150254
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 103897
Total APNIC prefixes after maximum aggregation: 32592
APNIC Deaggregation factor: 3.19
Prefixes being announced from the APNIC address blocks: 104676
Unique aggregates announced from the APNIC address blocks: 43022
APNIC Region origin ASes present in the Internet Routing Table: 4792
APNIC Prefixes per ASN: 21.84
APNIC Region origin ASes announcing only one prefix: 1251
APNIC Region transit ASes present in the Internet Routing Table: 784
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: 341
Number of APNIC addresses announced to Internet: 712411808
Equivalent to 42 /8s, 118 /16s and 138 /24s
Percentage of available APNIC address space announced: 83.3
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: 153531
Total ARIN prefixes after maximum aggregation: 77514
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 154408
Unique aggregates announced from the ARIN address blocks: 69442
ARIN Region origin ASes present in the Internet Routing Table: 14975
ARIN Prefixes per ASN: 10.31
ARIN Region origin ASes announcing only one prefix: 5632
ARIN Region transit ASes present in the Internet Routing Table: 1583
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1085871488
Equivalent to 64 /8s, 185 /16s and 21 /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: 108516
Total RIPE prefixes after maximum aggregation: 57559
RIPE Deaggregation factor: 1.89
Prefixes being announced from the RIPE address blocks: 111176
Unique aggregates announced from the RIPE address blocks: 72121
RIPE Region origin ASes present in the Internet Routing Table: 16917
RIPE Prefixes per ASN: 6.57
RIPE Region origin ASes announcing only one prefix: 8133
RIPE Region transit ASes present in the Internet Routing Table: 2751
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: 1986
Number of RIPE addresses announced to Internet: 648507940
Equivalent to 38 /8s, 167 /16s and 114 /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: 44136
Total LACNIC prefixes after maximum aggregation: 8727
LACNIC Deaggregation factor: 5.06
Prefixes being announced from the LACNIC address blocks: 47570
Unique aggregates announced from the LACNIC address blocks: 22881
LACNIC Region origin ASes present in the Internet Routing Table: 1692
LACNIC Prefixes per ASN: 28.11
LACNIC Region origin ASes announcing only one prefix: 473
LACNIC Region transit ASes present in the Internet Routing Table: 322
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 21
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 702
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: 9663
Total AfriNIC prefixes after maximum aggregation: 2231
AfriNIC Deaggregation factor: 4.33
Prefixes being announced from the AfriNIC address blocks: 10159
Unique aggregates announced from the AfriNIC address blocks: 3459
AfriNIC Region origin ASes present in the Internet Routing Table: 566
AfriNIC Prefixes per ASN: 17.95
AfriNIC Region origin ASes announcing only one prefix: 169
AfriNIC Region transit ASes present in the Internet Routing Table: 126
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: 42639360
Equivalent to 2 /8s, 138 /16s and 160 /24s
Percentage of available AfriNIC address space announced: 42.4
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 11558 901 Korea Telecom (KIX)
17974 2430 829 55 PT TELEKOMUNIKASI INDONESIA
7545 1800 301 87 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 1112 2056 315 CNCGROUP IP network: China169
7552 1107 1062 11 Vietel Corporation
24560 1034 384 161 Bharti Airtel Ltd., Telemedia
9498 1018 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 3170 3723 161 bellsouth.net, inc.
7029 3132 990 162 Windstream Communications Inc
18566 2084 382 180 Covad Communications
22773 1968 2931 128 Cox Communications, Inc.
1785 1923 678 125 PaeTec Communications, Inc.
20115 1665 1585 626 Charter Communications
4323 1594 1155 394 Time Warner Telecom
30036 1364 274 735 Mediacom Communications Corp
7018 1250 10289 842 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 1881 544 16 Corbina telecom
12479 851 776 64 Uni2 Autonomous System
34984 822 207 198 BILISIM TELEKOM
31148 726 37 9 FreeNet ISP
6830 724 2314 446 UPC Distribution Services
13188 709 93 136 Educational Network
20940 697 222 547 Akamai Technologies European
58113 601 66 364 LIR DATACENTER TELECOM SRL
8551 595 364 61 Bezeq International
3320 497 8440 407 Deutsche Telekom AG
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 2152 1278 61 NET Servicos de Comunicao S.A
7303 1661 1131 201 Telecom Argentina Stet-France
8151 1590 3032 355 UniNet S.A. de C.V.
6503 1540 435 68 AVANTEL, S.A.
27947 702 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 582 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 897 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 643 958 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 3170 3723 161 bellsouth.net, inc.
7029 3132 990 162 Windstream Communications Inc
4766 2973 11558 901 Korea Telecom (KIX)
17974 2430 829 55 PT TELEKOMUNIKASI INDONESIA
10620 2233 380 225 TVCABLE BOGOTA
28573 2152 1278 61 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1968 2931 128 Cox Communications, Inc.
1785 1923 678 125 PaeTec Communications, Inc.
8402 1881 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 3132 2970 Windstream Communications Inc
17974 2430 2375 PT TELEKOMUNIKASI INDONESIA
28573 2152 2091 NET Servicos de Comunicao S.A
4766 2973 2072 Korea Telecom (KIX)
10620 2233 2008 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
8402 1881 1865 Corbina telecom
22773 1968 1840 Cox Communications, Inc.
1785 1923 1798 PaeTec Communications, Inc.
7545 1800 1713 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 5.56.0.0/21 174 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
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
/13:474 /14:847 /15:1546 /16:12422 /17:6506 /18:10853
/19:21193 /20:30574 /21:32537 /22:43054 /23:40214 /24:223290
/25:1345 /26:1691 /27:906 /28:178 /29:77 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2621 3132 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1786 3170 bellsouth.net, inc.
8402 1585 1881 Corbina telecom
22773 1301 1968 Cox Communications, Inc.
30036 1285 1364 Mediacom Communications Corp
11492 1152 1187 Cable One
6503 1054 1540 AVANTEL, S.A.
1785 1014 1923 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 2:791 3:1 4:13 5:584 6:3
8:472 12:1926 13:3 14:691 15:11 16:3
17:6 20:27 23:210 24:1794 27:1375 31:1027
32:54 33:2 34:2 36:7 37:921 38:767
39:2 40:136 41:2776 42:175 44:3 46:1621
47:2 49:472 50:605 52:12 54:26 55:6
56:4 57:27 58:989 59:550 60:237 61:1292
62:939 63:1937 64:4213 65:2138 66:4460 67:2092
68:1152 69:3200 70:945 71:505 72:1860 74:2586
75:478 76:266 77:980 78:999 79:510 80:1229
81:976 82:623 83:542 84:526 85:1148 86:492
87:943 88:358 89:1795 90:304 91:5287 92:582
93:1441 94:1675 95:1302 96:406 97:322 98:961
99:39 100:30 101:294 103:1730 105:513 106:123
107:199 108:470 109:1607 110:813 111:976 112:437
113:735 114:665 115:870 116:890 117:757 118:956
119:1227 120:360 121:694 122:1694 123:1160 124:1343
125:1286 128:577 129:197 130:272 131:644 132:308
133:142 134:251 135:58 136:219 137:238 138:332
139:170 140:490 141:290 142:492 143:370 144:488
145:82 146:518 147:271 148:734 149:329 150:141
151:205 152:450 153:183 154:21 155:419 156:227
157:364 158:286 159:664 160:333 161:413 162:365
163:191 164:713 165:439 166:513 167:552 168:997
169:129 170:910 171:152 172:6 173:1696 174:631
175:459 176:777 177:1359 178:1637 180:1366 181:162
182:1108 183:311 184:611 185:53 186:2194 187:1374
188:1730 189:1594 190:5913 192:6003 193:5399 194:4077
195:3439 196:1233 197:254 198:3856 199:5047 200:6012
201:1958 202:8705 203:8706 204:4347 205:2514 206:2703
207:2776 208:3988 209:3548 210:2835 211:1537 212:2087
213:1838 214:872 215:87 216:5057 217:1573 218:573
219:307 220:1261 221:529 222:337 223:401
End of report
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