* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Tue 04 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 434746
Prefixes after maximum aggregation: 180366
Deaggregation factor: 2.41
Unique aggregates announced to Internet: 213204
Total ASes present in the Internet Routing Table: 42732
Prefixes per ASN: 10.17
Origin-only ASes present in the Internet Routing Table: 33867
Origin ASes announcing only one prefix: 15819
Transit ASes present in the Internet Routing Table: 5700
Transit-only ASes present in the Internet Routing Table: 135
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 41
Max AS path prepend of ASN ( 22394) 35
Prefixes from unregistered ASNs in the Routing Table: 1131
Unregistered ASNs in the Routing Table: 406
Number of 32-bit ASNs allocated by the RIRs: 3548
Number of 32-bit ASNs visible in the Routing Table: 3165
Prefixes from 32-bit ASNs in the Routing Table: 8562
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 141
Number of addresses announced to Internet: 2615981004
Equivalent to 155 /8s, 236 /16s and 179 /24s
Percentage of available address space announced: 70.7
Percentage of allocated address space announced: 70.7
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.0
Total number of prefixes smaller than registry allocations: 153245
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104771
Total APNIC prefixes after maximum aggregation: 32626
APNIC Deaggregation factor: 3.21
Prefixes being announced from the APNIC address blocks: 105633
Unique aggregates announced from the APNIC address blocks: 43269
APNIC Region origin ASes present in the Internet Routing Table: 4802
APNIC Prefixes per ASN: 22.00
APNIC Region origin ASes announcing only one prefix: 1245
APNIC Region transit ASes present in the Internet Routing Table: 790
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: 376
Number of APNIC addresses announced to Internet: 715501824
Equivalent to 42 /8s, 165 /16s and 177 /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: 155302
Total ARIN prefixes after maximum aggregation: 78438
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156044
Unique aggregates announced from the ARIN address blocks: 69925
ARIN Region origin ASes present in the Internet Routing Table: 15320
ARIN Prefixes per ASN: 10.19
ARIN Region origin ASes announcing only one prefix: 5782
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: 41
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1087589504
Equivalent to 64 /8s, 211 /16s and 76 /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: 111647
Total RIPE prefixes after maximum aggregation: 58047
RIPE Deaggregation factor: 1.92
Prefixes being announced from the RIPE address blocks: 114513
Unique aggregates announced from the RIPE address blocks: 73408
RIPE Region origin ASes present in the Internet Routing Table: 16967
RIPE Prefixes per ASN: 6.75
RIPE Region origin ASes announcing only one prefix: 8124
RIPE Region transit ASes present in the Internet Routing Table: 2758
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2052
Number of RIPE addresses announced to Internet: 649397796
Equivalent to 38 /8s, 181 /16s and 6 /24s
Percentage of available RIPE address space announced: 94.4
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: 44700
Total LACNIC prefixes after maximum aggregation: 8898
LACNIC Deaggregation factor: 5.02
Prefixes being announced from the LACNIC address blocks: 48185
Unique aggregates announced from the LACNIC address blocks: 22884
LACNIC Region origin ASes present in the Internet Routing Table: 1733
LACNIC Prefixes per ASN: 27.80
LACNIC Region origin ASes announcing only one prefix: 493
LACNIC Region transit ASes present in the Internet Routing Table: 328
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 23
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 713
Number of LACNIC addresses announced to Internet: 120181800
Equivalent to 7 /8s, 41 /16s and 212 /24s
Percentage of available LACNIC address space announced: 71.6
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: 9652
Total AfriNIC prefixes after maximum aggregation: 2304
AfriNIC Deaggregation factor: 4.19
Prefixes being announced from the AfriNIC address blocks: 10230
Unique aggregates announced from the AfriNIC address blocks: 3596
AfriNIC Region origin ASes present in the Internet Routing Table: 579
AfriNIC Prefixes per ASN: 17.67
AfriNIC Region origin ASes announcing only one prefix: 175
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: 16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 43017216
Equivalent to 2 /8s, 144 /16s and 100 /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 2934 11557 900 Korea Telecom (KIX)
17974 2430 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1811 301 90 TPG Internet Pty Ltd
4755 1624 374 159 TATA Communications formerly
9829 1412 1155 42 BSNL National Internet Backbo
9583 1182 88 499 Sify Limited
7552 1139 1062 11 Vietel Corporation
4808 1126 2056 317 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1032 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 3196 994 218 Windstream Communications Inc
6389 3144 3719 148 bellsouth.net, inc.
18566 2083 382 180 Covad Communications
22773 1939 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
20115 1684 1606 624 Charter Communications
4323 1585 1153 391 Time Warner Telecom
30036 1361 280 751 Mediacom Communications Corp
7018 1276 10275 845 AT&T WorldNet Services
7011 1223 334 693 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 1785 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
12479 856 777 64 Uni2 Autonomous System
34984 849 210 215 BILISIM TELEKOM
13188 745 94 129 Educational Network
31148 737 38 13 FreeNet ISP
6830 717 2313 436 UPC Distribution Services
20940 706 227 546 Akamai Technologies European
58113 613 68 372 LIR DATACENTER TELECOM SRL
8551 601 367 39 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 2261 386 206 TVCABLE BOGOTA
28573 2182 1285 66 NET Servicos de Comunicao S.A
7303 1668 1138 201 Telecom Argentina Stet-France
8151 1602 3024 355 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 755 77 92 Telconet S.A
3816 659 309 70 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 600 716 18 Global Village Telecom
7738 579 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 874 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 539 958 13 TEDATA
6713 519 666 20 Itissalat Al-MAGHRIB
24835 289 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 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 3196 994 218 Windstream Communications Inc
6389 3144 3719 148 bellsouth.net, inc.
4766 2934 11557 900 Korea Telecom (KIX)
17974 2430 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2261 386 206 TVCABLE BOGOTA
28573 2182 1285 66 NET Servicos de Comunicao S.A
18566 2083 382 180 Covad Communications
22773 1939 2932 131 Cox Communications, Inc.
1785 1935 678 124 PaeTec Communications, Inc.
7545 1811 301 90 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 3144 2996 bellsouth.net, inc.
17974 2430 2384 PT TELEKOMUNIKASI INDONESIA
28573 2182 2116 NET Servicos de Comunicao S.A
10620 2261 2055 TVCABLE BOGOTA
4766 2934 2034 Korea Telecom (KIX)
18566 2083 1903 Covad Communications
1785 1935 1811 PaeTec Communications, Inc.
22773 1939 1808 Cox Communications, Inc.
8402 1785 1769 Corbina telecom
7545 1811 1721 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
61395 UNALLOCATED 5.83.56.0/22 3292 TDC Tele Danmark
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
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
27.112.114.0/24 23884 Proimage Engineering and Comm
41.222.80.0/21 37110 Moztel LDA
41.223.108.0/22 36966 >>UNKNOWN<<
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
65.111.1.0/24 32258 SDN Global
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 /12:243
/13:477 /14:856 /15:1553 /16:12480 /17:6570 /18:10900
/19:21513 /20:30771 /21:32846 /22:43752 /23:40601 /24:227763
/25:1361 /26:1735 /27:873 /28:183 /29:79 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2620 3196 Windstream Communications Inc
18566 2033 2083 Covad Communications
6389 1780 3144 bellsouth.net, inc.
8402 1495 1785 Corbina telecom
30036 1274 1361 Mediacom Communications Corp
22773 1272 1939 Cox Communications, Inc.
11492 1146 1181 Cable One
6503 1055 1538 AVANTEL, S.A.
1785 1021 1935 PaeTec Communications, Inc.
7011 958 1223 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:647 2:777 3:1 4:13 5:666 6:3
8:485 12:1953 13:3 14:700 15:11 16:3
17:6 20:27 23:219 24:1781 27:1416 31:1295
32:54 33:2 34:2 36:7 37:1056 38:844
39:2 40:140 41:2640 42:179 44:3 46:1703
47:3 49:504 50:619 52:12 54:27 55:6
57:28 58:1068 59:550 60:234 61:1285 62:1027
63:2021 64:4331 65:2201 66:4501 67:2078 68:1182
69:3238 70:926 71:557 72:1891 74:2621 75:479
76:300 77:1020 78:999 79:507 80:1223 81:985
82:632 83:540 84:530 85:1159 86:483 87:958
88:352 89:1747 90:305 91:5352 92:586 93:1582
94:2012 95:1244 96:408 97:323 98:968 99:38
100:31 101:286 103:1857 105:516 106:119 107:202
108:488 109:1684 110:820 111:971 112:460 113:733
114:641 115:897 116:886 117:778 118:958 119:1252
120:378 121:677 122:1731 123:1178 124:1324 125:1288
128:571 129:202 130:294 131:642 132:318 133:143
134:254 135:62 136:215 137:236 138:342 139:168
140:182 141:295 142:506 143:366 144:488 145:80
146:520 147:276 148:735 149:331 150:153 151:224
152:398 153:183 154:22 155:440 156:226 157:378
158:256 159:673 160:334 161:413 162:372 163:192
164:582 165:449 166:479 167:561 168:987 169:130
170:975 171:153 172:6 173:1705 174:641 175:460
176:892 177:1448 178:1683 180:1348 181:178 182:1117
183:306 184:622 185:105 186:2049 187:1446 188:1793
189:1603 190:5970 192:6058 193:5816 194:4639 195:3655
196:1238 197:277 198:3960 199:5129 200:6022 201:1982
202:8794 203:8731 204:4435 205:2555 206:2754 207:2802
208:4066 209:3650 210:2905 211:1531 212:2126 213:1864
214:892 215:74 216:5187 217:1606 218:589 219:311
220:1262 221:543 222:336 223:361
End of report
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