* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Fri 14 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 437344
Prefixes after maximum aggregation: 180645
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 214549
Total ASes present in the Internet Routing Table: 42839
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33944
Origin ASes announcing only one prefix: 15866
Transit ASes present in the Internet Routing Table: 5691
Transit-only ASes present in the Internet Routing Table: 134
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 31
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1184
Unregistered ASNs in the Routing Table: 425
Number of 32-bit ASNs allocated by the RIRs: 3577
Number of 32-bit ASNs visible in the Routing Table: 3204
Prefixes from 32-bit ASNs in the Routing Table: 8678
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 145
Number of addresses announced to Internet: 2619381580
Equivalent to 156 /8s, 32 /16s and 151 /24s
Percentage of available address space announced: 70.8
Percentage of allocated address space announced: 70.8
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: 154800
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104949
Total APNIC prefixes after maximum aggregation: 32639
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105867
Unique aggregates announced from the APNIC address blocks: 43286
APNIC Region origin ASes present in the Internet Routing Table: 4803
APNIC Prefixes per ASN: 22.04
APNIC Region origin ASes announcing only one prefix: 1250
APNIC Region transit ASes present in the Internet Routing Table: 791
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 384
Number of APNIC addresses announced to Internet: 716117504
Equivalent to 42 /8s, 175 /16s and 22 /24s
Percentage of available APNIC address space announced: 83.7
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: 155864
Total ARIN prefixes after maximum aggregation: 78467
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 156574
Unique aggregates announced from the ARIN address blocks: 70285
ARIN Region origin ASes present in the Internet Routing Table: 15341
ARIN Prefixes per ASN: 10.21
ARIN Region origin ASes announcing only one prefix: 5793
ARIN Region transit ASes present in the Internet Routing Table: 1594
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 18
Number of ARIN addresses announced to Internet: 1089203072
Equivalent to 64 /8s, 235 /16s and 235 /24s
Percentage of available ARIN address space announced: 57.6
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: 112642
Total RIPE prefixes after maximum aggregation: 58145
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115532
Unique aggregates announced from the RIPE address blocks: 74128
RIPE Region origin ASes present in the Internet Routing Table: 16994
RIPE Prefixes per ASN: 6.80
RIPE Region origin ASes announcing only one prefix: 8133
RIPE Region transit ASes present in the Internet Routing Table: 2761
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2075
Number of RIPE addresses announced to Internet: 650216868
Equivalent to 38 /8s, 193 /16s and 133 /24s
Percentage of available RIPE address space announced: 94.5
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: 45248
Total LACNIC prefixes after maximum aggregation: 8983
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48785
Unique aggregates announced from the LACNIC address blocks: 23073
LACNIC Region origin ASes present in the Internet Routing Table: 1744
LACNIC Prefixes per ASN: 27.97
LACNIC Region origin ASes announcing only one prefix: 501
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: 721
Number of LACNIC addresses announced to Internet: 120637224
Equivalent to 7 /8s, 48 /16s and 199 /24s
Percentage of available LACNIC address space announced: 71.9
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: 9847
Total AfriNIC prefixes after maximum aggregation: 2358
AfriNIC Deaggregation factor: 4.18
Prefixes being announced from the AfriNIC address blocks: 10441
Unique aggregates announced from the AfriNIC address blocks: 3651
AfriNIC Region origin ASes present in the Internet Routing Table: 588
AfriNIC Prefixes per ASN: 17.76
AfriNIC Region origin ASes announcing only one prefix: 189
AfriNIC Region transit ASes present in the Internet Routing Table: 130
Average AfriNIC Region AS path length visible: 4.6
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: 42899968
Equivalent to 2 /8s, 142 /16s and 154 /24s
Percentage of available AfriNIC address space announced: 42.6
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 2927 11557 902 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1815 301 90 TPG Internet Pty Ltd
4755 1652 381 171 TATA Communications formerly
9829 1415 1156 42 BSNL National Internet Backbo
9583 1181 88 499 Sify Limited
7552 1138 1062 11 Vietel Corporation
4808 1124 2055 314 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1029 307 70 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 3192 994 216 Windstream Communications Inc
6389 3130 3718 140 bellsouth.net, inc.
18566 2082 382 180 Covad Communications
22773 1943 2932 131 Cox Communications, Inc.
1785 1938 678 124 PaeTec Communications, Inc.
20115 1687 1607 623 Charter Communications
4323 1591 1153 395 Time Warner Telecom
30036 1380 290 722 Mediacom Communications Corp
7018 1290 10533 854 AT&T WorldNet Services
7011 1215 322 692 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 1793 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
34984 872 211 223 BILISIM TELEKOM
12479 869 777 64 Uni2 Autonomous System
13188 755 95 131 Educational Network
31148 740 38 13 FreeNet ISP
6830 715 2313 436 UPC Distribution Services
20940 707 227 545 Akamai Technologies European
58113 633 70 378 LIR DATACENTER TELECOM SRL
8551 612 367 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 2262 386 206 TVCABLE BOGOTA
28573 2212 1298 69 NET Servicos de Comunicao S.A
7303 1671 1138 202 Telecom Argentina Stet-France
8151 1599 3016 352 UniNet S.A. de C.V.
6503 1537 435 67 AVANTEL, S.A.
27947 760 85 93 Telconet S.A
3816 661 309 71 Empresa Nacional de Telecomun
18881 607 716 18 Global Village Telecom
11172 603 85 68 Servicios Alestra S.A de C.V
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 871 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 683 958 13 TEDATA
6713 482 602 20 Itissalat Al-MAGHRIB
24835 291 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 3192 994 216 Windstream Communications Inc
6389 3130 3718 140 bellsouth.net, inc.
4766 2927 11557 902 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2262 386 206 TVCABLE BOGOTA
28573 2212 1298 69 NET Servicos de Comunicao S.A
18566 2082 382 180 Covad Communications
22773 1943 2932 131 Cox Communications, Inc.
1785 1938 678 124 PaeTec Communications, Inc.
7545 1815 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 3130 2990 bellsouth.net, inc.
17974 2431 2385 PT TELEKOMUNIKASI INDONESIA
28573 2212 2143 NET Servicos de Comunicao S.A
10620 2262 2056 TVCABLE BOGOTA
4766 2927 2025 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
1785 1938 1814 PaeTec Communications, Inc.
22773 1943 1812 Cox Communications, Inc.
8402 1793 1777 Corbina telecom
7545 1815 1725 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
61309 UNALLOCATED 5.1.96.0/21 41562 Host4all Sarl
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
61395 UNALLOCATED 5.83.60.0/22 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
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 /11:87 /12:244
/13:477 /14:857 /15:1548 /16:12481 /17:6567 /18:10965
/19:21589 /20:30900 /21:32860 /22:44103 /23:40763 /24:229571
/25:1354 /26:1747 /27:867 /28:182 /29:80 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2621 3192 Windstream Communications Inc
18566 2032 2082 Covad Communications
6389 1776 3130 bellsouth.net, inc.
8402 1522 1793 Corbina telecom
30036 1288 1380 Mediacom Communications Corp
22773 1276 1943 Cox Communications, Inc.
11492 1147 1183 Cable One
6503 1055 1537 AVANTEL, S.A.
1785 1022 1938 PaeTec Communications, Inc.
7011 954 1215 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:649 2:738 3:1 4:13 5:685 6:3
8:487 12:1945 13:3 14:699 15:11 16:3
17:6 20:27 23:220 24:1793 27:1431 31:1320
32:54 33:2 34:2 36:7 37:1087 38:844
39:2 40:141 41:2772 42:179 44:3 46:1712
47:3 49:512 50:627 52:12 54:28 55:7
57:28 58:1070 59:553 60:234 61:1306 62:1038
63:2021 64:4353 65:2208 66:4498 67:2074 68:1187
69:3271 70:934 71:557 72:1890 74:2630 75:470
76:290 77:1031 78:1004 79:517 80:1210 81:976
82:632 83:535 84:531 85:1155 86:459 87:959
88:353 89:1739 90:305 91:5357 92:587 93:1666
94:2003 95:1631 96:455 97:322 98:974 99:40
100:31 101:288 103:1919 105:516 106:117 107:202
108:508 109:1715 110:825 111:975 112:461 113:741
114:641 115:897 116:886 117:777 118:960 119:1260
120:376 121:679 122:1723 123:1167 124:1322 125:1285
128:550 129:200 130:300 131:642 132:312 133:142
134:254 135:62 136:215 137:235 138:343 139:168
140:181 141:301 142:512 143:355 144:488 145:89
146:521 147:272 148:736 149:331 150:153 151:235
152:396 153:186 154:22 155:443 156:231 157:379
158:257 159:677 160:335 161:420 162:377 163:193
164:584 165:450 166:475 167:566 168:992 169:131
170:1006 171:164 172:6 173:1703 174:643 175:461
176:877 177:1456 178:1740 180:1349 181:182 182:1123
183:301 184:633 185:125 186:2119 187:1469 188:1901
189:1621 190:6163 192:6092 193:5812 194:4653 195:3660
196:1247 197:286 198:4001 199:5154 200:6031 201:2011
202:8839 203:8739 204:4480 205:2570 206:2782 207:2827
208:4070 209:3659 210:2899 211:1528 212:2096 213:1868
214:894 215:74 216:5176 217:1602 218:595 219:321
220:1257 221:542 222:336 223:365
End of report
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