* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 12 Dec, 2012
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 436922
Prefixes after maximum aggregation: 180588
Deaggregation factor: 2.42
Unique aggregates announced to Internet: 214369
Total ASes present in the Internet Routing Table: 42799
Prefixes per ASN: 10.21
Origin-only ASes present in the Internet Routing Table: 33905
Origin ASes announcing only one prefix: 15847
Transit ASes present in the Internet Routing Table: 5696
Transit-only ASes present in the Internet Routing Table: 131
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 30
Max AS path prepend of ASN ( 28730) 25
Prefixes from unregistered ASNs in the Routing Table: 1180
Unregistered ASNs in the Routing Table: 428
Number of 32-bit ASNs allocated by the RIRs: 3572
Number of 32-bit ASNs visible in the Routing Table: 3198
Prefixes from 32-bit ASNs in the Routing Table: 8627
Special use prefixes present in the Routing Table: 15
Prefixes being announced from unallocated address space: 149
Number of addresses announced to Internet: 2618853932
Equivalent to 156 /8s, 24 /16s and 138 /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: 154479
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 104989
Total APNIC prefixes after maximum aggregation: 32634
APNIC Deaggregation factor: 3.22
Prefixes being announced from the APNIC address blocks: 105905
Unique aggregates announced from the APNIC address blocks: 43305
APNIC Region origin ASes present in the Internet Routing Table: 4805
APNIC Prefixes per ASN: 22.04
APNIC Region origin ASes announcing only one prefix: 1246
APNIC Region transit ASes present in the Internet Routing Table: 793
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: 386
Number of APNIC addresses announced to Internet: 716156640
Equivalent to 42 /8s, 175 /16s and 174 /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: 155749
Total ARIN prefixes after maximum aggregation: 78502
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 156457
Unique aggregates announced from the ARIN address blocks: 70229
ARIN Region origin ASes present in the Internet Routing Table: 15334
ARIN Prefixes per ASN: 10.20
ARIN Region origin ASes announcing only one prefix: 5790
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: 1088813184
Equivalent to 64 /8s, 229 /16s and 248 /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: 112479
Total RIPE prefixes after maximum aggregation: 58084
RIPE Deaggregation factor: 1.94
Prefixes being announced from the RIPE address blocks: 115357
Unique aggregates announced from the RIPE address blocks: 74048
RIPE Region origin ASes present in the Internet Routing Table: 16980
RIPE Prefixes per ASN: 6.79
RIPE Region origin ASes announcing only one prefix: 8128
RIPE Region transit ASes present in the Internet Routing Table: 2757
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: 2068
Number of RIPE addresses announced to Internet: 650026916
Equivalent to 38 /8s, 190 /16s and 159 /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: 45114
Total LACNIC prefixes after maximum aggregation: 8955
LACNIC Deaggregation factor: 5.04
Prefixes being announced from the LACNIC address blocks: 48616
Unique aggregates announced from the LACNIC address blocks: 23022
LACNIC Region origin ASes present in the Internet Routing Table: 1737
LACNIC Prefixes per ASN: 27.99
LACNIC Region origin ASes announcing only one prefix: 498
LACNIC Region transit ASes present in the Internet Routing Table: 330
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: 720
Number of LACNIC addresses announced to Internet: 120667688
Equivalent to 7 /8s, 49 /16s and 62 /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: 2360
AfriNIC Deaggregation factor: 4.17
Prefixes being announced from the AfriNIC address blocks: 10438
Unique aggregates announced from the AfriNIC address blocks: 3635
AfriNIC Region origin ASes present in the Internet Routing Table: 583
AfriNIC Prefixes per ASN: 17.90
AfriNIC Region origin ASes announcing only one prefix: 185
AfriNIC Region transit ASes present in the Internet Routing Table: 127
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: 42879232
Equivalent to 2 /8s, 142 /16s and 73 /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 2931 11557 902 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
7545 1814 301 90 TPG Internet Pty Ltd
4755 1651 381 169 TATA Communications formerly
9829 1414 1156 42 BSNL National Internet Backbo
9583 1180 88 498 Sify Limited
7552 1138 1062 11 Vietel Corporation
4808 1128 2056 318 CNCGROUP IP network: China169
24560 1035 385 165 Bharti Airtel Ltd., Telemedia
9498 1027 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 3198 994 219 Windstream Communications Inc
6389 3130 3718 140 bellsouth.net, inc.
18566 2082 382 180 Covad Communications
22773 1941 2932 131 Cox Communications, Inc.
1785 1937 678 123 PaeTec Communications, Inc.
20115 1689 1607 623 Charter Communications
4323 1591 1153 396 Time Warner Telecom
30036 1372 290 749 Mediacom Communications Corp
7018 1290 10534 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 1802 544 16 Corbina telecom
2118 1424 97 15 EUnet/RELCOM Autonomous Syste
34984 871 211 223 BILISIM TELEKOM
12479 864 777 64 Uni2 Autonomous System
13188 748 95 134 Educational Network
31148 738 38 13 FreeNet ISP
6830 715 2313 436 UPC Distribution Services
20940 708 227 547 Akamai Technologies European
58113 613 68 372 LIR DATACENTER TELECOM SRL
8551 609 367 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 2263 386 207 TVCABLE BOGOTA
28573 2228 1294 67 NET Servicos de Comunicao S.A
7303 1671 1138 202 Telecom Argentina Stet-France
8151 1606 3028 357 UniNet S.A. de C.V.
6503 1538 435 67 AVANTEL, S.A.
27947 759 85 93 Telconet S.A
3816 660 309 71 Empresa Nacional de Telecomun
11172 603 85 68 Servicios Alestra S.A de C.V
18881 602 716 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 874 275 36 LINKdotNET AS number
36998 772 48 3 MOBITEL
8452 676 958 13 TEDATA
6713 501 602 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 3198 994 219 Windstream Communications Inc
6389 3130 3718 140 bellsouth.net, inc.
4766 2931 11557 902 Korea Telecom (KIX)
17974 2431 826 46 PT TELEKOMUNIKASI INDONESIA
10620 2263 386 207 TVCABLE BOGOTA
28573 2228 1294 67 NET Servicos de Comunicao S.A
18566 2082 382 180 Covad Communications
22773 1941 2932 131 Cox Communications, Inc.
1785 1937 678 123 PaeTec Communications, Inc.
7545 1814 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 2228 2161 NET Servicos de Comunicao S.A
10620 2263 2056 TVCABLE BOGOTA
4766 2931 2029 Korea Telecom (KIX)
18566 2082 1902 Covad Communications
1785 1937 1814 PaeTec Communications, Inc.
22773 1941 1810 Cox Communications, Inc.
8402 1802 1786 Corbina telecom
7545 1814 1724 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 /14:856 /15:1550 /16:12477 /17:6569 /18:10967
/19:21575 /20:30909 /21:32901 /22:44019 /23:40723 /24:229233
/25:1358 /26:1744 /27:867 /28:184 /29:80 /30:17
/31:0 /32:25
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
7029 2623 3198 Windstream Communications Inc
18566 2032 2082 Covad Communications
6389 1776 3130 bellsouth.net, inc.
8402 1530 1802 Corbina telecom
30036 1280 1372 Mediacom Communications Corp
22773 1275 1941 Cox Communications, Inc.
11492 1147 1183 Cable One
6503 1055 1538 AVANTEL, S.A.
1785 1022 1937 PaeTec Communications, Inc.
7011 953 1215 Citizens Utilities
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:646 2:737 3:1 4:13 5:678 6:3
8:488 12:1946 13:3 14:703 15:11 16:3
17:6 20:27 23:219 24:1791 27:1435 31:1312
32:54 33:2 34:2 36:7 37:1082 38:842
39:2 40:141 41:2768 42:179 44:3 46:1710
47:3 49:511 50:625 52:12 54:28 55:7
57:28 58:1067 59:552 60:234 61:1290 62:1030
63:2019 64:4362 65:2205 66:4487 67:2085 68:1185
69:3252 70:921 71:547 72:1894 74:2627 75:480
76:292 77:1034 78:1005 79:517 80:1186 81:979
82:630 83:533 84:531 85:1152 86:461 87:960
88:352 89:1738 90:305 91:5331 92:590 93:1644
94:1999 95:1623 96:457 97:322 98:972 99:40
100:31 101:288 103:1920 105:517 106:117 107:203
108:492 109:1714 110:826 111:977 112:461 113:740
114:644 115:895 116:889 117:778 118:959 119:1255
120:380 121:679 122:1729 123:1170 124:1323 125:1282
128:551 129:200 130:296 131:643 132:319 133:142
134:256 135:62 136:215 137:235 138:344 139:167
140:181 141:303 142:510 143:355 144:489 145:81
146:521 147:270 148:736 149:332 150:153 151:236
152:399 153:187 154:22 155:442 156:227 157:380
158:256 159:678 160:333 161:420 162:377 163:193
164:584 165:452 166:476 167:567 168:995 169:131
170:995 171:164 172:6 173:1710 174:638 175:461
176:888 177:1452 178:1742 180:1353 181:182 182:1122
183:307 184:631 185:123 186:2109 187:1422 188:1877
189:1629 190:6166 192:6093 193:5817 194:4648 195:3655
196:1248 197:282 198:3996 199:5137 200:6021 201:1988
202:8835 203:8737 204:4456 205:2564 206:2758 207:2819
208:4073 209:3655 210:2902 211:1533 212:2099 213:1870
214:890 215:74 216:5181 217:1609 218:593 219:320
220:1257 221:542 222:336 223:365
End of report
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