* BGP Routing Table Analysis Reports *
Routing Table Report 04:00 +10GMT Wed 28 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 464991
Prefixes after maximum aggregation: 187526
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 230741
Total ASes present in the Internet Routing Table: 44828
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35049
Origin ASes announcing only one prefix: 16240
Transit ASes present in the Internet Routing Table: 5903
Transit-only ASes present in the Internet Routing Table: 175
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: 5121
Unregistered ASNs in the Routing Table: 1663
Number of 32-bit ASNs allocated by the RIRs: 4981
Number of 32-bit ASNs visible in the Routing Table: 3876
Prefixes from 32-bit ASNs in the Routing Table: 11799
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 339
Number of addresses announced to Internet: 2637662732
Equivalent to 157 /8s, 55 /16s and 138 /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: 162694
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110121
Total APNIC prefixes after maximum aggregation: 33436
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 111987
Unique aggregates announced from the APNIC address blocks: 46553
APNIC Region origin ASes present in the Internet Routing Table: 4872
APNIC Prefixes per ASN: 22.99
APNIC Region origin ASes announcing only one prefix: 1228
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: 23
Number of APNIC region 32-bit ASNs visible in the Routing Table: 650
Number of APNIC addresses announced to Internet: 726849280
Equivalent to 43 /8s, 82 /16s and 215 /24s
Percentage of available APNIC address space announced: 84.9
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: 161418
Total ARIN prefixes after maximum aggregation: 81036
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161939
Unique aggregates announced from the ARIN address blocks: 75193
ARIN Region origin ASes present in the Internet Routing Table: 15845
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6018
ARIN Region transit ASes present in the Internet Routing Table: 1670
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: 1070939648
Equivalent to 63 /8s, 213 /16s and 62 /24s
Percentage of available ARIN address space announced: 56.7
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: 119125
Total RIPE prefixes after maximum aggregation: 60860
RIPE Deaggregation factor: 1.96
Prefixes being announced from the RIPE address blocks: 122974
Unique aggregates announced from the RIPE address blocks: 79055
RIPE Region origin ASes present in the Internet Routing Table: 17375
RIPE Prefixes per ASN: 7.08
RIPE Region origin ASes announcing only one prefix: 8234
RIPE Region transit ASes present in the Internet Routing Table: 2811
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: 2388
Number of RIPE addresses announced to Internet: 657232356
Equivalent to 39 /8s, 44 /16s and 145 /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: 50768
Total LACNIC prefixes after maximum aggregation: 9589
LACNIC Deaggregation factor: 5.29
Prefixes being announced from the LACNIC address blocks: 55498
Unique aggregates announced from the LACNIC address blocks: 25676
LACNIC Region origin ASes present in the Internet Routing Table: 2002
LACNIC Prefixes per ASN: 27.72
LACNIC Region origin ASes announcing only one prefix: 566
LACNIC Region transit ASes present in the Internet Routing Table: 370
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 813
Number of LACNIC addresses announced to Internet: 135577896
Equivalent to 8 /8s, 20 /16s and 193 /24s
Percentage of available LACNIC address space announced: 80.8
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: 11658
Total AfriNIC prefixes after maximum aggregation: 2558
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12254
Unique aggregates announced from the AfriNIC address blocks: 3949
AfriNIC Region origin ASes present in the Internet Routing Table: 652
AfriNIC Prefixes per ASN: 18.79
AfriNIC Region origin ASes announcing only one prefix: 194
AfriNIC Region transit ASes present in the Internet Routing Table: 135
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: 46550272
Equivalent to 2 /8s, 198 /16s and 77 /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 2921 11561 921 Korea Telecom (KIX)
17974 2656 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2061 321 112 TPG Internet Pty Ltd
4755 1764 391 189 TATA Communications formerly
9829 1535 1221 45 BSNL National Internet Backbo
9583 1225 92 505 Sify Limited
9498 1180 309 69 BHARTI Airtel Ltd.
4808 1154 2128 337 CNCGROUP IP network: China169
7552 1139 1080 13 Vietel Corporation
24560 1089 394 160 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 2976 3689 62 bellsouth.net, inc.
18566 2065 382 184 Covad Communications
22773 2041 2933 124 Cox Communications, Inc.
1785 2006 679 125 PaeTec Communications, Inc.
20115 1675 1645 628 Charter Communications
4323 1615 1105 407 Time Warner Telecom
701 1523 11119 798 UUNET Technologies, Inc.
30036 1346 301 643 Mediacom Communications Corp
7018 1310 11277 826 AT&T WorldNet Services
11492 1223 218 361 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 1649 544 16 Corbina telecom
2118 1375 97 13 EUnet/RELCOM Autonomous Syste
34984 1308 244 222 BILISIM TELEKOM
20940 980 353 755 Akamai Technologies European
31148 979 43 18 FreeNet ISP
6830 895 2367 428 UPC Distribution Services
13188 846 99 72 Educational Network
8551 751 370 41 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 3211 1695 101 NET Servicos de Comunicao S.A
10620 2659 424 222 TVCABLE BOGOTA
7303 1733 1158 223 Telecom Argentina Stet-France
18881 1454 844 20 Global Village Telecom
8151 1284 2768 389 UniNet S.A. de C.V.
11830 945 364 15 Instituto Costarricense de El
27947 837 94 91 Telconet S.A
6503 787 434 63 AVANTEL, S.A.
6147 734 374 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 878 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 433 956 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 28 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 3211 1695 101 NET Servicos de Comunicao S.A
6389 2976 3689 62 bellsouth.net, inc.
4766 2921 11561 921 Korea Telecom (KIX)
10620 2659 424 222 TVCABLE BOGOTA
17974 2656 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2061 321 112 TPG Internet Pty Ltd
22773 2041 2933 124 Cox Communications, Inc.
1785 2006 679 125 PaeTec 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 2976 2914 bellsouth.net, inc.
17974 2656 2564 PT TELEKOMUNIKASI INDONESIA
10620 2659 2437 TVCABLE BOGOTA
4766 2921 2000 Korea Telecom (KIX)
7545 2061 1949 TPG Internet Pty Ltd
22773 2041 1917 Cox Communications, Inc.
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
36998 1861 1856 MOBITEL
8402 1649 1633 Corbina telecom
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.
23.91.0.0/19 40676 Psychz Networks
23.91.32.0/19 36315 Servpac Inc.
23.92.16.0/21 8001 Net Access Corporation
23.92.24.0/22 6939 Hurricane Electric
23.92.48.0/20 62471 SupremeBytes, LLC
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
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 /15:1617 /16:12755 /17:6663 /18:11080
/19:22679 /20:32322 /21:34958 /22:49089 /23:42975 /24:246549
/25:879 /26:1008 /27:473 /28:44 /29:78 /30:18
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
18566 2016 2065 Covad Communications
36998 1826 1861 MOBITEL
6389 1711 2976 bellsouth.net, inc.
8402 1378 1649 Corbina telecom
22773 1329 2041 Cox Communications, Inc.
30036 1209 1346 Mediacom Communications Corp
11492 1184 1223 Cable One
1785 1079 2006 PaeTec Communications, Inc.
6983 1023 1151 ITC^Deltacom
10620 982 2659 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:800 2:789 3:3 4:19 5:915 6:18
8:601 12:1896 13:2 14:871 15:11 16:3
17:11 18:19 20:18 23:361 24:1740 27:1552
31:1407 32:45 33:2 34:5 36:72 37:1839
38:900 39:4 40:179 41:3270 42:243 44:9
46:1960 47:4 49:660 50:842 52:12 54:37
55:4 57:26 58:1168 59:622 60:335 61:1430
62:1177 63:1992 64:4564 65:2248 66:4194 67:2078
68:1093 69:3301 70:862 71:496 72:2008 74:2538
75:322 76:304 77:1157 78:1056 79:628 80:1313
81:1022 82:646 83:585 84:578 85:1220 86:479
87:1047 88:538 89:1827 90:158 91:5589 92:631
93:1662 94:2021 95:1543 96:522 97:347 98:1039
99:44 100:29 101:597 103:3199 105:519 106:139
107:210 108:498 109:1858 110:953 111:1108 112:568
113:790 114:712 115:1030 116:976 117:803 118:1124
119:1290 120:366 121:740 122:1867 123:1242 124:1380
125:1416 128:614 129:222 130:311 131:671 132:350
133:160 134:280 135:67 136:275 137:268 138:347
139:177 140:200 141:321 142:551 143:388 144:493
145:94 146:534 147:484 148:682 149:355 150:150
151:560 152:416 153:194 154:30 155:483 156:273
157:408 158:282 159:749 160:352 161:461 162:616
163:222 164:627 165:558 166:255 167:603 168:1031
169:126 170:1079 171:191 172:25 173:1594 174:516
175:495 176:1191 177:2148 178:1910 179:103 180:1524
181:660 182:1239 183:444 184:664 185:785 186:2446
187:1389 188:1894 189:1274 190:7031 192:6947 193:5844
194:4707 195:3600 196:1337 197:1005 198:4629 199:5436
200:6004 201:2594 202:8895 203:8881 204:4537 205:2605
206:2838 207:2906 208:4000 209:3627 210:2923 211:1556
212:2258 213:2045 214:924 215:101 216:5313 217:1651
218:623 219:314 220:1278 221:553 222:324 223:505
End of report
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