Routing Table Report 04:00 +10GMT Mon 26 Aug, 2013
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 464446
Prefixes after maximum aggregation: 187352
Deaggregation factor: 2.48
Unique aggregates announced to Internet: 230526
Total ASes present in the Internet Routing Table: 44790
Prefixes per ASN: 10.37
Origin-only ASes present in the Internet Routing Table: 35031
Origin ASes announcing only one prefix: 16231
Transit ASes present in the Internet Routing Table: 5895
Transit-only ASes present in the Internet Routing Table: 173
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: 4962
Unregistered ASNs in the Routing Table: 1606
Number of 32-bit ASNs allocated by the RIRs: 4977
Number of 32-bit ASNs visible in the Routing Table: 3864
Prefixes from 32-bit ASNs in the Routing Table: 11782
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 323
Number of addresses announced to Internet: 2637326924
Equivalent to 157 /8s, 50 /16s and 106 /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: 162856
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 110021
Total APNIC prefixes after maximum aggregation: 33409
APNIC Deaggregation factor: 3.29
Prefixes being announced from the APNIC address blocks: 111881
Unique aggregates announced from the APNIC address blocks: 46479
APNIC Region origin ASes present in the Internet Routing Table: 4865
APNIC Prefixes per ASN: 23.00
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 823
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: 647
Number of APNIC addresses announced to Internet: 726942976
Equivalent to 43 /8s, 84 /16s and 69 /24s
Percentage of available APNIC address space announced: 85.0
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: 161390
Total ARIN prefixes after maximum aggregation: 80987
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 161905
Unique aggregates announced from the ARIN address blocks: 75123
ARIN Region origin ASes present in the Internet Routing Table: 15836
ARIN Prefixes per ASN: 10.22
ARIN Region origin ASes announcing only one prefix: 6009
ARIN Region transit ASes present in the Internet Routing Table: 1669
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: 1070850560
Equivalent to 63 /8s, 211 /16s and 226 /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: 118694
Total RIPE prefixes after maximum aggregation: 60792
RIPE Deaggregation factor: 1.95
Prefixes being announced from the RIPE address blocks: 122547
Unique aggregates announced from the RIPE address blocks: 79020
RIPE Region origin ASes present in the Internet Routing Table: 17371
RIPE Prefixes per ASN: 7.05
RIPE Region origin ASes announcing only one prefix: 8240
RIPE Region transit ASes present in the Internet Routing Table: 2809
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: 657056548
Equivalent to 39 /8s, 41 /16s and 227 /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: 50862
Total LACNIC prefixes after maximum aggregation: 9578
LACNIC Deaggregation factor: 5.31
Prefixes being announced from the LACNIC address blocks: 55590
Unique aggregates announced from the LACNIC address blocks: 25678
LACNIC Region origin ASes present in the Internet Routing Table: 2003
LACNIC Prefixes per ASN: 27.75
LACNIC Region origin ASes announcing only one prefix: 568
LACNIC Region transit ASes present in the Internet Routing Table: 369
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: 807
Number of LACNIC addresses announced to Internet: 135492392
Equivalent to 8 /8s, 19 /16s and 115 /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: 11611
Total AfriNIC prefixes after maximum aggregation: 2544
AfriNIC Deaggregation factor: 4.56
Prefixes being announced from the AfriNIC address blocks: 12200
Unique aggregates announced from the AfriNIC address blocks: 3925
AfriNIC Region origin ASes present in the Internet Routing Table: 649
AfriNIC Prefixes per ASN: 18.80
AfriNIC Region origin ASes announcing only one prefix: 193
AfriNIC Region transit ASes present in the Internet Routing Table: 135
Average AfriNIC Region AS path length visible: 4.8
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: 46548224
Equivalent to 2 /8s, 198 /16s and 69 /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 921 Korea Telecom (KIX)
17974 2656 871 92 PT TELEKOMUNIKASI INDONESIA
7545 2062 321 112 TPG Internet Pty Ltd
4755 1760 391 188 TATA Communications formerly
9829 1532 1221 45 BSNL National Internet Backbo
9583 1226 92 505 Sify Limited
9498 1176 309 70 BHARTI Airtel Ltd.
4808 1152 2126 335 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 2039 2933 123 Cox Communications, Inc.
1785 2006 679 125 PaeTec Communications, Inc.
20115 1675 1645 628 Charter Communications
4323 1618 1105 408 Time Warner Telecom
701 1521 11103 797 UUNET Technologies, Inc.
30036 1346 301 643 Mediacom Communications Corp
7018 1313 11277 828 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 1629 544 16 Corbina telecom
34984 1306 244 223 BILISIM TELEKOM
31148 979 43 18 FreeNet ISP
20940 970 349 747 Akamai Technologies European
2118 962 97 13 EUnet/RELCOM Autonomous Syste
6830 898 2371 429 UPC Distribution Services
13188 845 99 71 Educational Network
8551 753 370 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 3176 1684 110 NET Servicos de Comunicao S.A
10620 2673 425 219 TVCABLE BOGOTA
7303 1732 1157 222 Telecom Argentina Stet-France
18881 1454 844 20 Global Village Telecom
8151 1279 2767 388 UniNet S.A. de C.V.
11830 945 364 15 Instituto Costarricense de El
27947 837 94 91 Telconet S.A
6503 789 434 64 AVANTEL, S.A.
6147 732 374 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 872 274 30 LINKdotNET AS number
6713 543 633 26 Itissalat Al-MAGHRIB
8452 435 956 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 212 501 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 3176 1684 110 NET Servicos de Comunicao S.A
6389 2976 3689 62 bellsouth.net, inc.
4766 2922 11561 921 Korea Telecom (KIX)
10620 2673 425 219 TVCABLE BOGOTA
17974 2656 871 92 PT TELEKOMUNIKASI INDONESIA
18566 2065 382 184 Covad Communications
7545 2062 321 112 TPG Internet Pty Ltd
22773 2039 2933 123 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 2673 2454 TVCABLE BOGOTA
4766 2922 2001 Korea Telecom (KIX)
7545 2062 1950 TPG Internet Pty Ltd
22773 2039 1916 Cox Communications, Inc.
18566 2065 1881 Covad Communications
1785 2006 1881 PaeTec Communications, Inc.
36998 1861 1856 MOBITEL
8402 1629 1613 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 /16:12754 /17:6659 /18:11078
/19:22691 /20:32334 /21:34940 /22:49033 /23:42954 /24:246068
/25:882 /26:1011 /27:482 /28:43 /29:77 /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 1711 2976 bellsouth.net, inc.
8402 1361 1629 Corbina telecom
22773 1328 2039 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 991 2673 TVCABLE BOGOTA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:800 2:753 3:3 4:19 5:912 6:17
8:600 12:1895 13:2 14:870 15:11 16:3
17:11 18:19 20:18 23:361 24:1739 27:1550
31:1408 32:45 33:2 34:5 36:70 37:1833
38:899 39:2 40:180 41:3238 42:243 44:9
46:1983 47:4 49:661 50:843 52:12 54:37
55:4 57:26 58:1167 59:618 60:334 61:1399
62:1173 63:1990 64:4562 65:2247 66:4196 67:2079
68:1093 69:3314 70:864 71:495 72:2034 74:2539
75:326 76:306 77:1155 78:1101 79:627 80:1306
81:1019 82:647 83:585 84:578 85:1219 86:482
87:1051 88:538 89:1819 90:158 91:5587 92:642
93:1672 94:2020 95:1545 96:523 97:347 98:1039
99:44 100:29 101:597 103:3186 105:519 106:138
107:210 108:498 109:1884 110:945 111:1105 112:568
113:791 114:710 115:1026 116:973 117:804 118:1120
119:1291 120:367 121:740 122:1862 123:1246 124:1375
125:1412 128:610 129:223 130:311 131:670 132:350
133:160 134:279 135:67 136:267 137:268 138:345
139:189 140:200 141:322 142:551 143:384 144:498
145:94 146:531 147:479 148:673 149:353 150:150
151:560 152:416 153:194 154:30 155:485 156:272
157:405 158:282 159:745 160:351 161:456 162:609
163:221 164:628 165:568 166:255 167:603 168:1029
169:126 170:1078 171:191 172:25 173:1582 174:515
175:496 176:1199 177:2182 178:1915 179:105 180:1511
181:663 182:1227 183:441 184:662 185:769 186:2475
187:1408 188:1889 189:1278 190:7040 192:6948 193:5534
194:4604 195:3604 196:1332 197:1007 198:4621 199:5432
200:5989 201:2604 202:8886 203:8881 204:4535 205:2603
206:2836 207:2905 208:3997 209:3625 210:2915 211:1558
212:2257 213:2035 214:922 215:100 216:5316 217:1657
218:618 219:304 220:1278 221:553 222:324 223:505
End of report