* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Thu 04 Oct, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 427727
Prefixes after maximum aggregation: 178875
Deaggregation factor: 2.39
Unique aggregates announced to Internet: 209958
Total ASes present in the Internet Routing Table: 42264
Prefixes per ASN: 10.12
Origin-only ASes present in the Internet Routing Table: 33681
Origin ASes announcing only one prefix: 15776
Transit ASes present in the Internet Routing Table: 5632
Transit-only ASes present in the Internet Routing Table: 141
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 28
Max AS path prepend of ASN ( 36992) 22
Prefixes from unregistered ASNs in the Routing Table: 779
Unregistered ASNs in the Routing Table: 289
Number of 32-bit ASNs allocated by the RIRs: 3343
Number of 32-bit ASNs visible in the Routing Table: 2951
Prefixes from 32-bit ASNs in the Routing Table: 7978
Special use prefixes present in the Routing Table: 12
Prefixes being announced from unallocated address space: 156
Number of addresses announced to Internet: 2604024172
Equivalent to 155 /8s, 54 /16s and 65 /24s
Percentage of available address space announced: 70.3
Percentage of allocated address space announced: 70.3
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: 150031
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 102902
Total APNIC prefixes after maximum aggregation: 32537
APNIC Deaggregation factor: 3.16
Prefixes being announced from the APNIC address blocks: 103597
Unique aggregates announced from the APNIC address blocks: 42874
APNIC Region origin ASes present in the Internet Routing Table: 4771
APNIC Prefixes per ASN: 21.71
APNIC Region origin ASes announcing only one prefix: 1240
APNIC Region transit ASes present in the Internet Routing Table: 777
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: 321
Number of APNIC addresses announced to Internet: 710634912
Equivalent to 42 /8s, 91 /16s and 109 /24s
Percentage of available APNIC address space announced: 83.1
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: 154477
Total ARIN prefixes after maximum aggregation: 78238
ARIN Deaggregation factor: 1.97
Prefixes being announced from the ARIN address blocks: 155390
Unique aggregates announced from the ARIN address blocks: 69305
ARIN Region origin ASes present in the Internet Routing Table: 15251
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: 1595
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: 1086653312
Equivalent to 64 /8s, 197 /16s and 3 /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: 108661
Total RIPE prefixes after maximum aggregation: 57213
RIPE Deaggregation factor: 1.90
Prefixes being announced from the RIPE address blocks: 111259
Unique aggregates announced from the RIPE address blocks: 71584
RIPE Region origin ASes present in the Internet Routing Table: 16892
RIPE Prefixes per ASN: 6.59
RIPE Region origin ASes announcing only one prefix: 8138
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: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 1919
Number of RIPE addresses announced to Internet: 647385380
Equivalent to 38 /8s, 150 /16s and 81 /24s
Percentage of available RIPE address space announced: 94.1
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: 43904
Total LACNIC prefixes after maximum aggregation: 8602
LACNIC Deaggregation factor: 5.10
Prefixes being announced from the LACNIC address blocks: 47172
Unique aggregates announced from the LACNIC address blocks: 22548
LACNIC Region origin ASes present in the Internet Routing Table: 1660
LACNIC Prefixes per ASN: 28.42
LACNIC Region origin ASes announcing only one prefix: 455
LACNIC Region transit ASes present in the Internet Routing Table: 319
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: 688
Number of LACNIC addresses announced to Internet: 117184552
Equivalent to 6 /8s, 252 /16s and 24 /24s
Percentage of available LACNIC address space announced: 69.8
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: 9681
Total AfriNIC prefixes after maximum aggregation: 2228
AfriNIC Deaggregation factor: 4.35
Prefixes being announced from the AfriNIC address blocks: 10153
Unique aggregates announced from the AfriNIC address blocks: 3508
AfriNIC Region origin ASes present in the Internet Routing Table: 565
AfriNIC Prefixes per ASN: 17.97
AfriNIC Region origin ASes announcing only one prefix: 178
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: 41880320
Equivalent to 2 /8s, 127 /16s and 11 /24s
Percentage of available AfriNIC address space announced: 41.6
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 11428 904 Korea Telecom (KIX)
17974 2363 830 54 PT TELEKOMUNIKASI INDONESIA
7545 1765 301 87 TPG Internet Pty Ltd
4755 1625 387 163 TATA Communications formerly
9829 1393 1154 41 BSNL National Internet Backbo
9583 1222 90 519 Sify Limited
4808 1122 2046 317 CNCGROUP IP network: China169
7552 1108 1062 11 Vietel Corporation
24560 1035 385 161 Bharti Airtel Ltd., Telemedia
9498 1017 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 3281 3729 177 bellsouth.net, inc.
7029 3163 990 161 Windstream Communications Inc
18566 2084 382 180 Covad Communications
1785 1920 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications, Inc.
20115 1656 1581 618 Charter Communications
4323 1576 1154 387 Time Warner Telecom
30036 1364 272 758 Mediacom Communications Corp
7018 1266 10304 841 AT&T WorldNet Services
7011 1205 329 699 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 1783 544 16 Corbina telecom
2118 1399 97 14 EUnet/RELCOM Autonomous Syste
12479 845 775 74 Uni2 Autonomous System
34984 793 206 181 BILISIM TELEKOM
6830 722 2313 446 UPC Distribution Services
31148 721 37 9 FreeNet ISP
13188 697 92 149 Educational Network
20940 696 221 528 Akamai Technologies European
58113 631 70 366 LIR DATACENTER TELECOM SRL
8551 577 364 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 2199 378 222 TVCABLE BOGOTA
28573 2131 1251 56 NET Servicos de Comunicao S.A
8151 1600 3077 350 UniNet S.A. de C.V.
7303 1562 1034 200 Telecom Argentina Stet-France
6503 1538 435 69 AVANTEL, S.A.
27947 724 74 91 Telconet S.A
3816 644 309 70 Empresa Nacional de Telecomun
11172 594 101 67 Servicios Alestra S.A de C.V
14420 588 87 102 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 891 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 715 958 13 TEDATA
6713 517 650 19 Itissalat Al-MAGHRIB
24835 269 80 8 RAYA Telecom - Egypt
3741 267 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 192 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 170 682 85 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 3281 3729 177 bellsouth.net, inc.
7029 3163 990 161 Windstream Communications Inc
4766 2977 11428 904 Korea Telecom (KIX)
17974 2363 830 54 PT TELEKOMUNIKASI INDONESIA
10620 2199 378 222 TVCABLE BOGOTA
28573 2131 1251 56 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
1785 1920 678 128 PaeTec Communications, Inc.
22773 1906 2931 128 Cox Communications, Inc.
8402 1783 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 3163 3002 Windstream Communications Inc
17974 2363 2309 PT TELEKOMUNIKASI INDONESIA
28573 2131 2075 NET Servicos de Comunicao S.A
4766 2977 2073 Korea Telecom (KIX)
10620 2199 1977 TVCABLE BOGOTA
18566 2084 1904 Covad Communications
1785 1920 1792 PaeTec Communications, Inc.
22773 1906 1778 Cox Communications, Inc.
8402 1783 1767 Corbina telecom
7545 1765 1678 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
128.0.104.0/23 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
128.0.170.0/24 24685 ISP Elencom autonomous system
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 /12:241
/13:477 /14:846 /15:1543 /16:12432 /17:6485 /18:10861
/19:21099 /20:30400 /21:32338 /22:42739 /23:40017 /24:223875
/25:1357 /26:1671 /27:912 /28:179 /29:66 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2647 3163 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1837 3281 bellsouth.net, inc.
8402 1505 1783 Corbina telecom
30036 1296 1364 Mediacom Communications Corp
22773 1245 1906 Cox Communications, Inc.
11492 1164 1201 Cable One
6503 1054 1538 AVANTEL, S.A.
1785 1016 1920 PaeTec Communications, Inc.
7011 944 1205 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:627 2:736 3:1 4:13 5:550 6:3
8:464 12:1977 13:1 14:666 15:11 16:3
17:6 20:27 23:201 24:1784 27:1368 31:1023
32:54 33:2 34:2 36:7 37:820 38:830
39:2 40:133 41:2894 42:159 44:3 46:1597
47:2 49:463 50:598 52:12 54:22 55:9
56:3 57:27 58:989 59:541 60:237 61:1286
62:941 63:1990 64:4278 65:2243 66:4521 67:2110
68:1171 69:3223 70:987 71:513 72:1875 74:2600
75:484 76:305 77:960 78:954 79:496 80:1244
81:968 82:633 83:536 84:520 85:1162 86:487
87:929 88:364 89:1815 90:304 91:5226 92:595
93:1449 94:1627 95:1240 96:395 97:325 98:964
99:39 100:24 101:263 103:1619 105:512 106:118
107:199 108:466 109:1557 110:805 111:972 112:444
113:711 114:625 115:894 116:888 117:733 118:956
119:1225 120:341 121:687 122:1640 123:1165 124:1336
125:1279 128:553 129:192 130:282 131:634 132:310
133:22 134:251 135:61 136:219 137:239 138:338
139:171 140:498 141:280 142:487 143:392 144:488
145:82 146:522 147:278 148:747 149:325 150:158
151:193 152:451 153:178 154:20 155:423 156:224
157:373 158:254 159:660 160:344 161:410 162:364
163:191 164:694 165:425 166:526 167:554 168:986
169:127 170:908 171:150 172:7 173:1677 174:617
175:427 176:777 177:1242 178:1618 180:1339 181:143
182:1061 183:297 184:604 185:22 186:2211 187:1269
188:1719 189:1588 190:5972 192:6039 193:5730 194:4750
195:3518 196:1227 197:231 198:3830 199:5049 200:6031
201:1970 202:8645 203:8692 204:4402 205:2537 206:2766
207:2833 208:4060 209:3644 210:2848 211:1530 212:1996
213:1804 214:888 215:87 216:5113 217:1576 218:571
219:313 220:1251 221:534 222:337 223:414
End of report
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