* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Sun 18 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 463456
Prefixes after maximum aggregation: 187086
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 229346
Total ASes present in the Internet Routing Table: 44725
Prefixes per ASN: 10.36
Origin-only ASes present in the Internet Routing Table: 34973
Origin ASes announcing only one prefix: 16202
Transit ASes present in the Internet Routing Table: 5896
Transit-only ASes present in the Internet Routing Table: 159
Average AS path length visible in the Internet Routing Table: 4.6
Max AS path length visible: 29
Max AS path prepend of ASN ( 19037) 22
Prefixes from unregistered ASNs in the Routing Table: 4660
Unregistered ASNs in the Routing Table: 1596
Number of 32-bit ASNs allocated by the RIRs: 4955
Number of 32-bit ASNs visible in the Routing Table: 3856
Prefixes from 32-bit ASNs in the Routing Table: 11704
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 303
Number of addresses announced to Internet: 2635227788
Equivalent to 157 /8s, 18 /16s and 98 /24s
Percentage of available address space announced: 71.2
Percentage of allocated address space announced: 71.2
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 94.9
Total number of prefixes smaller than registry allocations: 162621
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110898
Total APNIC prefixes after maximum aggregation: 33582
APNIC Deaggregation factor: 3.30
Prefixes being announced from the APNIC address blocks: 112710
Unique aggregates announced from the APNIC address blocks: 46184
APNIC Region origin ASes present in the Internet Routing Table: 4864
APNIC Prefixes per ASN: 23.17
APNIC Region origin ASes announcing only one prefix: 1220
APNIC Region transit ASes present in the Internet Routing Table: 826
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 640
Number of APNIC addresses announced to Internet: 725926720
Equivalent to 43 /8s, 68 /16s and 195 /24s
Percentage of available APNIC address space announced: 84.8
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: 160407
Total ARIN prefixes after maximum aggregation: 80846
ARIN Deaggregation factor: 1.98
Prefixes being announced from the ARIN address blocks: 160958
Unique aggregates announced from the ARIN address blocks: 74727
ARIN Region origin ASes present in the Internet Routing Table: 15818
ARIN Prefixes per ASN: 10.18
ARIN Region origin ASes announcing only one prefix: 5992
ARIN Region transit ASes present in the Internet Routing Table: 1664
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 19
Number of ARIN addresses announced to Internet: 1070314240
Equivalent to 63 /8s, 203 /16s and 179 /24s
Percentage of available ARIN address space announced: 56.6
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, 62464-63487, 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: 118420
Total RIPE prefixes after maximum aggregation: 60514
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122221
Unique aggregates announced from the RIPE address blocks: 78603
RIPE Region origin ASes present in the Internet Routing Table: 17354
RIPE Prefixes per ASN: 7.04
RIPE Region origin ASes announcing only one prefix: 8222
RIPE Region transit ASes present in the Internet Routing Table: 2816
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: 2385
Number of RIPE addresses announced to Internet: 656934180
Equivalent to 39 /8s, 40 /16s and 5 /24s
Percentage of available RIPE address space announced: 95.5
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: 50357
Total LACNIC prefixes after maximum aggregation: 9555
LACNIC Deaggregation factor: 5.27
Prefixes being announced from the LACNIC address blocks: 55073
Unique aggregates announced from the LACNIC address blocks: 25614
LACNIC Region origin ASes present in the Internet Routing Table: 2001
LACNIC Prefixes per ASN: 27.52
LACNIC Region origin ASes announcing only one prefix: 579
LACNIC Region transit ASes present in the Internet Routing Table: 366
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 806
Number of LACNIC addresses announced to Internet: 135197224
Equivalent to 8 /8s, 14 /16s and 242 /24s
Percentage of available LACNIC address space announced: 80.6
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 262144-263679 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: 11584
Total AfriNIC prefixes after maximum aggregation: 2549
AfriNIC Deaggregation factor: 4.54
Prefixes being announced from the AfriNIC address blocks: 12191
Unique aggregates announced from the AfriNIC address blocks: 3936
AfriNIC Region origin ASes present in the Internet Routing Table: 646
AfriNIC Prefixes per ASN: 18.87
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: 4.7
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 6
Number of AfriNIC addresses announced to Internet: 46509568
Equivalent to 2 /8s, 197 /16s and 174 /24s
Percentage of available AfriNIC address space announced: 46.2
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 2922 11561 918 Korea Telecom (KIX)
17974 2656 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2055 320 111 TPG Internet Pty Ltd
4755 1779 393 197 TATA Communications formerly
9829 1538 1221 45 BSNL National Internet Backbo
9583 1224 92 504 Sify Limited
9498 1175 309 70 BHARTI Airtel Ltd.
4808 1153 2127 332 CNCGROUP IP network: China169
7552 1139 1080 13 Vietel Corporation
24560 1088 394 164 Bharti Airtel Ltd., Telemedia
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 2978 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
1785 2006 679 125 PaeTec Communications, Inc.
22773 2006 2927 123 Cox Communications, Inc.
20115 1675 1646 621 Charter Communications
4323 1618 1105 408 Time Warner Telecom
701 1521 11103 797 UUNET Technologies, Inc.
30036 1365 305 639 Mediacom Communications Corp
7018 1312 11293 828 AT&T WorldNet Services
11492 1221 218 363 Cable One
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 1583 544 16 Corbina telecom
34984 1303 244 221 BILISIM TELEKOM
31148 978 43 17 FreeNet ISP
20940 977 349 748 Akamai Technologies European
2118 962 97 13 EUnet/RELCOM Autonomous Syste
6830 898 2371 429 UPC Distribution Services
13188 843 99 70 Educational Network
8551 768 370 45 Bezeq International
12479 687 797 53 Uni2 Autonomous System
58113 541 55 339 LIR DATACENTER TELECOM SRL
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
28573 3144 1655 108 NET Servicos de Comunicao S.A
10620 2668 424 223 TVCABLE BOGOTA
7303 1730 1157 220 Telecom Argentina Stet-France
18881 1359 844 20 Global Village Telecom
8151 1281 2763 391 UniNet S.A. de C.V.
11830 945 364 15 Instituto Costarricense de El
27947 837 94 91 Telconet S.A
6503 768 434 62 AVANTEL, S.A.
6147 740 374 25 Telefonica Del Peru
3816 721 302 83 Empresa Nacional de Telecomun
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
36998 1861 112 5 MOBITEL
24863 874 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 437 956 9 TEDATA
24835 291 80 8 RAYA Telecom - Egypt
3741 258 921 217 The Internet Solution
15706 221 32 6 Sudatel Internet Exchange Aut
29571 220 17 12 Ci Telecom Autonomous system
36992 220 501 29 Etisalat MISR
12258 193 28 71 Vodacom Internet Company
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
28573 3144 1655 108 NET Servicos de Comunicao S.A
6389 2978 3689 62 bellsouth.net, inc.
4766 2922 11561 918 Korea Telecom (KIX)
10620 2668 424 223 TVCABLE BOGOTA
17974 2656 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2055 320 111 TPG Internet Pty Ltd
1785 2006 679 125 PaeTec Communications, Inc.
22773 2006 2927 123 Cox Communications, Inc.
36998 1861 112 5 MOBITEL
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 2978 2916 bellsouth.net, inc.
17974 2656 2564 PT TELEKOMUNIKASI INDONESIA
10620 2668 2445 TVCABLE BOGOTA
4766 2922 2004 Korea Telecom (KIX)
7545 2055 1944 TPG Internet Pty Ltd
22773 2006 1883 Cox Communications, Inc.
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
36998 1861 1856 MOBITEL
4755 1779 1582 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
15132 UNALLOCATED 12.9.150.0/24 7018 AT&T WorldNet Servic
30031 UNALLOCATED 12.27.122.0/24 7018 AT&T WorldNet Servic
13317 UNALLOCATED 12.44.10.0/24 7018 AT&T WorldNet Servic
23502 UNALLOCATED 12.44.44.0/24 7018 AT&T WorldNet Servic
17300 UNALLOCATED 12.45.103.0/24 209 Qwest
17300 UNALLOCATED 12.45.110.0/24 701 UUNET Technologies,
16476 UNALLOCATED 12.46.27.0/24 7018 AT&T WorldNet Servic
14764 UNALLOCATED 12.108.237.0/24 7018 AT&T WorldNet Servic
33649 UNALLOCATED 12.111.112.0/24 19029 New Edge Networks
30621 UNALLOCATED 12.151.74.0/23 7018 AT&T WorldNet Servic
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.0.0/24 4847 China Networks Inter-Exchange
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.90.128.0/18 27418 OUTOFWALL INC.
23.92.16.0/21 8001 Net Access Corporation
23.92.24.0/22 6939 Hurricane Electric
23.92.64.0/24 54540 Incero LLC
23.92.65.0/24 54540 Incero LLC
23.92.66.0/24 54540 Incero LLC
23.92.67.0/24 54540 Incero LLC
23.92.68.0/24 54540 Incero LLC
23.92.69.0/24 54540 Incero LLC
23.92.70.0/24 54540 Incero LLC
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 /8:16 /9:11 /10:30 /11:93 /12:250
/13:480 /14:906 /15:1611 /16:12750 /17:6635 /18:11029
/19:22556 /20:32289 /21:34874 /22:48922 /23:42832 /24:244945
/25:1046 /26:1426 /27:601 /28:43 /29:74 /30:18
/31:0 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1713 2978 bellsouth.net, inc.
22773 1304 2006 Cox Communications, Inc.
8402 1293 1583 Corbina telecom
30036 1229 1365 Mediacom Communications Corp
11492 1182 1221 Cable One
1785 1079 2006 PaeTec Communications, Inc.
6983 1024 1152 ITC^Deltacom
10620 990 2668 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:811 2:703 3:3 4:19 5:910 6:17
8:598 12:1899 13:2 14:866 15:11 16:3
17:10 18:19 20:17 23:336 24:1739 27:1544
31:1377 32:45 33:2 34:5 36:70 37:1813
38:897 39:2 40:180 41:3250 42:259 44:9
46:1960 47:3 49:652 50:841 52:12 54:37
55:8 57:26 58:1174 59:646 60:332 61:1494
62:1181 63:1983 64:4363 65:2154 66:4202 67:2063
68:1091 69:3315 70:863 71:492 72:1919 74:2529
75:325 76:305 77:1132 78:1014 79:615 80:1307
81:1018 82:655 83:587 84:568 85:1215 86:470
87:1046 88:537 89:1815 90:158 91:5571 92:626
93:1660 94:2020 95:1584 96:587 97:346 98:1028
99:43 100:29 101:598 103:3143 105:519 106:139
107:210 108:498 109:1864 110:929 111:1098 112:570
113:804 114:728 115:1103 116:961 117:800 118:1151
119:1287 120:363 121:849 122:1807 123:1244 124:1369
125:1411 128:629 129:223 130:302 131:664 132:348
133:160 134:277 135:72 136:259 137:241 138:344
139:189 140:207 141:320 142:532 143:392 144:496
145:95 146:525 147:478 148:671 149:349 150:152
151:589 152:413 153:193 154:30 155:415 156:275
157:405 158:275 159:742 160:349 161:456 162:580
163:222 164:613 165:555 166:255 167:600 168:1033
169:126 170:1071 171:188 172:25 173:1581 174:570
175:491 176:1189 177:2146 178:1902 179:91 180:1515
181:639 182:1225 183:433 184:655 185:754 186:2471
187:1398 188:1867 189:1283 190:7045 192:6862 193:5544
194:4606 195:3598 196:1335 197:993 198:4588 199:5389
200:5975 201:2596 202:8841 203:8870 204:4513 205:2606
206:2837 207:2894 208:3995 209:3588 210:2938 211:1554
212:2261 213:2022 214:928 215:100 216:5249 217:1651
218:618 219:324 220:1279 221:552 222:322 223:465
End of report
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