* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 23 Nov, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 433262
Prefixes after maximum aggregation: 180200
Deaggregation factor: 2.40
Unique aggregates announced to Internet: 212635
Total ASes present in the Internet Routing Table: 42668
Prefixes per ASN: 10.15
Origin-only ASes present in the Internet Routing Table: 33862
Origin ASes announcing only one prefix: 15826
Transit ASes present in the Internet Routing Table: 5679
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 40
Max AS path prepend of ASN ( 22394) 36
Prefixes from unregistered ASNs in the Routing Table: 1062
Unregistered ASNs in the Routing Table: 385
Number of 32-bit ASNs allocated by the RIRs: 3517
Number of 32-bit ASNs visible in the Routing Table: 3127
Prefixes from 32-bit ASNs in the Routing Table: 8501
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 144
Number of addresses announced to Internet: 2614011084
Equivalent to 155 /8s, 206 /16s and 164 /24s
Percentage of available address space announced: 70.6
Percentage of allocated address space announced: 70.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 93.9
Total number of prefixes smaller than registry allocations: 152692
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104736
Total APNIC prefixes after maximum aggregation: 32626
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105575
Unique aggregates announced from the APNIC address blocks: 43198
APNIC Region origin ASes present in the Internet Routing Table: 4795
APNIC Prefixes per ASN: 22.02
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 782
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: 367
Number of APNIC addresses announced to Internet: 714964736
Equivalent to 42 /8s, 157 /16s and 127 /24s
Percentage of available APNIC address space announced: 83.6
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: 155440
Total ARIN prefixes after maximum aggregation: 78471
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156197
Unique aggregates announced from the ARIN address blocks: 70133
ARIN Region origin ASes present in the Internet Routing Table: 15311
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5775
ARIN Region transit ASes present in the Internet Routing Table: 1599
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 40
Number of ARIN region 32-bit ASNs visible in the Routing Table: 17
Number of ARIN addresses announced to Internet: 1087427456
Equivalent to 64 /8s, 208 /16s and 211 /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: 110440
Total RIPE prefixes after maximum aggregation: 57913
RIPE Deaggregation factor: 1.91
Prefixes being announced from the RIPE address blocks: 113265
Unique aggregates announced from the RIPE address blocks: 72873
RIPE Region origin ASes present in the Internet Routing Table: 16976
RIPE Prefixes per ASN: 6.67
RIPE Region origin ASes announcing only one prefix: 8144
RIPE Region transit ASes present in the Internet Routing Table: 2749
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2025
Number of RIPE addresses announced to Internet: 648831268
Equivalent to 38 /8s, 172 /16s and 97 /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: 44489
Total LACNIC prefixes after maximum aggregation: 8872
LACNIC Deaggregation factor: 5.01
Prefixes being announced from the LACNIC address blocks: 48020
Unique aggregates announced from the LACNIC address blocks: 22800
LACNIC Region origin ASes present in the Internet Routing Table: 1715
LACNIC Prefixes per ASN: 28.00
LACNIC Region origin ASes announcing only one prefix: 487
LACNIC Region transit ASes present in the Internet Routing Table: 329
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 24
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 712
Number of LACNIC addresses announced to Internet: 119513896
Equivalent to 7 /8s, 31 /16s and 163 /24s
Percentage of available LACNIC address space announced: 71.2
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: 9540
Total AfriNIC prefixes after maximum aggregation: 2264
AfriNIC Deaggregation factor: 4.21
Prefixes being announced from the AfriNIC address blocks: 10061
Unique aggregates announced from the AfriNIC address blocks: 3506
AfriNIC Region origin ASes present in the Internet Routing Table: 567
AfriNIC Prefixes per ASN: 17.74
AfriNIC Region origin ASes announcing only one prefix: 175
AfriNIC Region transit ASes present in the Internet Routing Table: 128
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: 42977792
Equivalent to 2 /8s, 143 /16s and 202 /24s
Percentage of available AfriNIC address space announced: 42.7
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 2950 11557 898 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1802 301 89 TPG Internet Pty Ltd
4755 1622 374 158 TATA Communications formerly
9829 1411 1155 42 BSNL National Internet Backbo
9583 1181 88 499 Sify Limited
7552 1140 1062 11 Vietel Corporation
4808 1127 2057 318 CNCGROUP IP network: China169
24560 1035 384 166 Bharti Airtel Ltd., Telemedia
9498 1025 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
7029 3202 992 191 Windstream Communications Inc
6389 3152 3720 151 bellsouth.net, inc.
18566 2084 382 180 Covad Communications
22773 1945 2931 129 Cox Communications, Inc.
1785 1929 678 126 PaeTec Communications, Inc.
20115 1684 1607 625 Charter Communications
4323 1587 1153 393 Time Warner Telecom
30036 1363 281 751 Mediacom Communications Corp
7018 1283 10276 852 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 1778 544 16 Corbina telecom
12479 854 777 64 Uni2 Autonomous System
34984 845 210 210 BILISIM TELEKOM
13188 734 94 130 Educational Network
31148 731 37 9 FreeNet ISP
6830 716 2313 435 UPC Distribution Services
20940 710 228 548 Akamai Technologies European
58113 602 67 365 LIR DATACENTER TELECOM SRL
8551 599 367 39 Bezeq International
2118 595 97 14 EUnet/RELCOM Autonomous Syste
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 2260 386 205 TVCABLE BOGOTA
28573 2167 1285 66 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
8151 1600 3045 354 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 752 77 93 Telconet S.A
3816 660 309 70 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 594 716 18 Global Village Telecom
22047 579 326 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 871 274 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
6713 518 666 20 Itissalat Al-MAGHRIB
8452 513 958 13 TEDATA
24835 289 80 8 RAYA Telecom - Egypt
3741 268 906 225 The Internet Solution
12258 194 28 66 Vodacom Internet Company
15706 191 32 6 Sudatel Internet Exchange Aut
29975 191 667 21 Vodacom
16637 181 697 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
7029 3202 992 191 Windstream Communications Inc
6389 3152 3720 151 bellsouth.net, inc.
4766 2950 11557 898 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2260 386 205 TVCABLE BOGOTA
28573 2167 1285 66 NET Servicos de Comunicao S.A
18566 2084 382 180 Covad Communications
22773 1945 2931 129 Cox Communications, Inc.
1785 1929 678 126 PaeTec Communications, Inc.
7545 1802 301 89 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
6389 3152 3001 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
28573 2167 2101 NET Servicos de Comunicao S.A
10620 2260 2055 TVCABLE BOGOTA
4766 2950 2052 Korea Telecom (KIX)
18566 2084 1904 Covad Communications
22773 1945 1816 Cox Communications, Inc.
1785 1929 1803 PaeTec Communications, Inc.
8402 1778 1762 Corbina telecom
7545 1802 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
59530 UNALLOCATED 5.8.182.0/24 31261 GARS Telecom
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
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
128.0.0.0/24 2876 Jump Management SRL
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
128.0.106.0/24 23456 32-bit ASN transition
128.0.128.0/20 29285 AMT closed joint-stock compan
128.0.144.0/22 59675 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
14.192.20.0/22 45464 Room 201, TGU Bldg
14.192.24.0/22 45464 Room 201, TGU Bldg
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
62.12.96.0/19 38478 SunnyVision Limited
62.61.220.0/24 24974 Tachyon Europe BV - Wireless
62.61.221.0/24 24974 Tachyon Europe BV - Wireless
64.66.32.0/20 18864 >>UNKNOWN<<
64.187.208.0/24 174 Cogent Communications
64.187.209.0/24 23005 Power Pulse
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 /9:13 /10:29 /11:88 /12:242
/13:477 /14:857 /15:1556 /16:12440 /17:6553 /18:10885
/19:21418 /20:30786 /21:32857 /22:43552 /23:40540 /24:226684
/25:1365 /26:1708 /27:896 /28:178 /29:79 /30:17
/31:0 /32:24
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2641 3202 Windstream Communications Inc
18566 2034 2084 Covad Communications
6389 1782 3152 bellsouth.net, inc.
8402 1495 1778 Corbina telecom
30036 1277 1363 Mediacom Communications Corp
22773 1275 1945 Cox Communications, Inc.
11492 1143 1178 Cable One
6503 1055 1538 AVANTEL, S.A.
1785 1015 1929 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)
----------------------------------------------
1:656 2:772 3:1 4:13 5:642 6:3
8:488 12:1958 13:3 14:699 15:11 16:3
17:6 20:27 23:213 24:1779 27:1415 31:1282
32:54 33:2 34:2 36:7 37:1057 38:843
39:2 40:140 41:2611 42:179 44:3 46:1666
47:2 49:504 50:609 52:12 54:27 55:4
57:28 58:1062 59:548 60:234 61:1284 62:1026
63:2023 64:4333 65:2199 66:4512 67:2101 68:1162
69:3232 70:928 71:556 72:1895 74:2618 75:484
76:299 77:992 78:1014 79:506 80:1230 81:983
82:623 83:536 84:522 85:1157 86:514 87:957
88:350 89:1745 90:305 91:5345 92:589 93:1553
94:1813 95:1412 96:409 97:322 98:972 99:40
100:31 101:290 103:1833 105:514 106:119 107:203
108:481 109:1649 110:822 111:979 112:459 113:736
114:686 115:899 116:888 117:779 118:960 119:1250
120:361 121:677 122:1736 123:1170 124:1329 125:1287
128:562 129:201 130:294 131:664 132:314 133:143
134:255 135:62 136:210 137:238 138:340 139:175
140:505 141:289 142:498 143:363 144:489 145:87
146:529 147:265 148:736 149:330 150:148 151:219
152:398 153:183 154:22 155:434 156:227 157:368
158:278 159:669 160:337 161:414 162:370 163:191
164:581 165:450 166:478 167:559 168:976 169:130
170:918 171:148 172:7 173:1707 174:642 175:452
176:738 177:1476 178:1678 180:1387 181:176 182:1114
183:294 184:633 185:86 186:2059 187:1410 188:1766
189:1597 190:5930 192:6047 193:5421 194:4266 195:3593
196:1243 197:266 198:3946 199:5114 200:6007 201:1978
202:8810 203:8711 204:4442 205:2543 206:2772 207:2813
208:4084 209:3610 210:2883 211:1525 212:2128 213:1868
214:869 215:75 216:5200 217:1594 218:581 219:311
220:1258 221:529 222:337 223:415
End of report
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