Routing Table Report 08:00 +10GMT Fri 31 Oct, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 510781
Prefixes after maximum aggregation: 198045
Deaggregation factor: 2.58
Unique aggregates announced to Internet: 253270
Total ASes present in the Internet Routing Table: 48332
Prefixes per ASN: 10.57
Origin-only ASes present in the Internet Routing Table: 36297
Origin ASes announcing only one prefix: 16366
Transit ASes present in the Internet Routing Table: 6054
Transit-only ASes present in the Internet Routing Table: 147
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 49
Max AS path prepend of ASN ( 55644) 46
Prefixes from unregistered ASNs in the Routing Table: 1984
Unregistered ASNs in the Routing Table: 473
Number of 32-bit ASNs allocated by the RIRs: 7769
Number of 32-bit ASNs visible in the Routing Table: 5981
Prefixes from 32-bit ASNs in the Routing Table: 21106
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 376
Number of addresses announced to Internet: 2734163206
Equivalent to 162 /8s, 248 /16s and 5 /24s
Percentage of available address space announced: 73.9
Percentage of allocated address space announced: 73.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 96.9
Total number of prefixes smaller than registry allocations: 173899
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 121885
Total APNIC prefixes after maximum aggregation: 35787
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 126725
Unique aggregates announced from the APNIC address blocks: 53211
APNIC Region origin ASes present in the Internet Routing Table: 4940
APNIC Prefixes per ASN: 25.65
APNIC Region origin ASes announcing only one prefix: 1209
APNIC Region transit ASes present in the Internet Routing Table: 821
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 49
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1154
Number of APNIC addresses announced to Internet: 735874304
Equivalent to 43 /8s, 220 /16s and 141 /24s
Percentage of available APNIC address space announced: 86.0
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 63488-64098, 131072-135580
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: 170462
Total ARIN prefixes after maximum aggregation: 84923
ARIN Deaggregation factor: 2.01
Prefixes being announced from the ARIN address blocks: 172389
Unique aggregates announced from the ARIN address blocks: 81370
ARIN Region origin ASes present in the Internet Routing Table: 16354
ARIN Prefixes per ASN: 10.54
ARIN Region origin ASes announcing only one prefix: 6097
ARIN Region transit ASes present in the Internet Routing Table: 1645
Average ARIN Region AS path length visible: 3.3
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 245
Number of ARIN addresses announced to Internet: 1052869888
Equivalent to 62 /8s, 193 /16s and 133 /24s
Percentage of available ARIN address space announced: 55.7
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: 125805
Total RIPE prefixes after maximum aggregation: 63733
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 131167
Unique aggregates announced from the RIPE address blocks: 82709
RIPE Region origin ASes present in the Internet Routing Table: 17793
RIPE Prefixes per ASN: 7.37
RIPE Region origin ASes announcing only one prefix: 8191
RIPE Region transit ASes present in the Internet Routing Table: 2905
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 27
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3159
Number of RIPE addresses announced to Internet: 691689472
Equivalent to 41 /8s, 58 /16s and 88 /24s
Percentage of available RIPE address space announced: 100.6
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, 61952-62463, 196608-202239
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: 58204
Total LACNIC prefixes after maximum aggregation: 10684
LACNIC Deaggregation factor: 5.45
Prefixes being announced from the LACNIC address blocks: 66857
Unique aggregates announced from the LACNIC address blocks: 30615
LACNIC Region origin ASes present in the Internet Routing Table: 2355
LACNIC Prefixes per ASN: 28.39
LACNIC Region origin ASes announcing only one prefix: 659
LACNIC Region transit ASes present in the Internet Routing Table: 453
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 19
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1363
Number of LACNIC addresses announced to Internet: 168206592
Equivalent to 10 /8s, 6 /16s and 161 /24s
Percentage of available LACNIC address space announced: 100.3
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-265628 + 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: 12185
Total AfriNIC prefixes after maximum aggregation: 2873
AfriNIC Deaggregation factor: 4.24
Prefixes being announced from the AfriNIC address blocks: 13266
Unique aggregates announced from the AfriNIC address blocks: 5021
AfriNIC Region origin ASes present in the Internet Routing Table: 732
AfriNIC Prefixes per ASN: 18.12
AfriNIC Region origin ASes announcing only one prefix: 210
AfriNIC Region transit ASes present in the Internet Routing Table: 151
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 60
Number of AfriNIC addresses announced to Internet: 59808512
Equivalent to 3 /8s, 144 /16s and 155 /24s
Percentage of available AfriNIC address space announced: 59.4
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
17974 2824 903 77 PT Telekomunikasi Indonesia
4766 2234 11576 633 Korea Telecom
7545 2223 336 123 TPG Telecom Limited
4755 1938 433 198 TATA Communications formerly
9829 1661 1322 37 National Internet Backbone
9808 1443 6639 15 Guangdong Mobile Communicatio
9583 1383 114 569 Sify Limited
9498 1316 334 95 BHARTI Airtel Ltd.
7552 1185 1066 12 Viettel Corporation
24560 1179 406 192 Bharti Airtel Ltd., Telemedia
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
6389 2894 3688 51 BellSouth.net Inc.
22773 2844 2940 143 Cox Communications Inc.
18566 2041 379 183 MegaPath Corporation
7029 1975 1960 314 Windstream Communications Inc
20115 1815 1792 477 Charter Communications
4323 1639 1068 409 tw telecom holdings, inc.
6983 1541 851 249 ITC^Deltacom
30036 1488 310 612 Mediacom Communications Corp
701 1428 11266 712 MCI Communications Services,
22561 1321 410 249 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
34984 1840 297 352 TELLCOM ILETISIM HIZMETLERI A
20940 1486 576 1094 Akamai International B.V.
8402 1377 544 15 OJSC "Vimpelcom"
31148 1045 45 21 Freenet Ltd.
13188 1037 100 29 TOV "Bank-Inform"
8551 849 373 43 Bezeq International-Ltd
6849 829 356 26 JSC "Ukrtelecom"
6830 782 2339 435 Liberty Global Operations B.V
9198 776 346 30 JSC Kazakhtelecom
12479 751 785 96 France Telecom Espana SA
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3032 493 240 Telmex Colombia S.A.
28573 2550 2305 106 NET Serviços de Comunicação S
6147 1781 374 30 Telefonica del Peru S.A.A.
7303 1765 1171 241 Telecom Argentina S.A.
8151 1474 3017 429 Uninet S.A. de C.V.
6503 1155 434 59 Axtel, S.A.B. de C.V.
7738 995 1882 41 Telemar Norte Leste S.A.
27947 912 130 54 Telconet S.A
3816 899 384 144 COLOMBIA TELECOMUNICACIONES S
26615 899 2325 35 Tim Celular S.A.
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8452 1388 958 13 TE-AS
24863 955 280 26 Link Egypt (Link.NET)
6713 678 760 38 Office National des Postes et
36992 328 824 29 ETISALAT MISR
24835 308 144 9 Vodafone Data
37054 276 19 6 Data Telecom Service
3741 249 920 212 Internet Solutions
29571 245 22 17 Cote d'Ivoire Telecom
37457 183 161 7 Telkom SA Ltd.
36947 177 807 13 Telecom Algeria
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
10620 3032 493 240 Telmex Colombia S.A.
6389 2894 3688 51 BellSouth.net Inc.
22773 2844 2940 143 Cox Communications Inc.
17974 2824 903 77 PT Telekomunikasi Indonesia
28573 2550 2305 106 NET Serviços de Comunicação S
4766 2234 11576 633 Korea Telecom
7545 2223 336 123 TPG Telecom Limited
18566 2041 379 183 MegaPath Corporation
7029 1975 1960 314 Windstream Communications Inc
4755 1938 433 198 TATA Communications formerly
Complete listing at http://thyme.rand.apnic.net/london/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
6389 2894 2843 BellSouth.net Inc.
17974 2824 2747 PT Telekomunikasi Indonesia
22773 2844 2701 Cox Communications Inc.
28573 2550 2444 NET Serviços de Comunicação S
7545 2223 2100 TPG Telecom Limited
18566 2041 1858 MegaPath Corporation
6147 1781 1751 Telefonica del Peru S.A.A.
4755 1938 1740 TATA Communications formerly
7029 1975 1661 Windstream Communications Inc
9829 1661 1624 National Internet Backbone
Complete listing at http://thyme.rand.apnic.net/london/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
30662 UNALLOCATED 8.2.129.0/24 3356 Level 3 Communicatio
53506 UNALLOCATED 8.17.102.0/23 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.160.0/24 3356 Level 3 Communicatio
20260 UNALLOCATED 8.25.161.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.124.0/24 3356 Level 3 Communicatio
55020 UNALLOCATED 8.30.123.0/24 3356 Level 3 Communicatio
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
65333 PRIVATE 10.0.0.0/8 0 *
Complete listing at http://thyme.rand.apnic.net/london/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.0.0.0/8 65333 Reserved
100.64.0.0/10 65333 Reserved
169.254.0.0/16 65333 Reserved
172.16.0.0/12 65333 Reserved
192.0.0.0/24 65333 Reserved
192.0.2.0/24 65333 Reserved
192.168.0.0/16 0 *
198.18.0.0/15 65333 Reserved
198.51.100.0/24 65333 Reserved
203.0.113.0/24 65333 Reserved
Complete listing at http://thyme.rand.apnic.net/london/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
24.231.96.0/24 21548 MTO Telecom Inc.
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
37.16.88.0/23 57652 >>UNKNOWN<<
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.10.0/24 37004 >>UNKNOWN<<
41.73.11.0/24 37004 >>UNKNOWN<<
41.73.12.0/24 37004 >>UNKNOWN<<
Complete listing at http://thyme.rand.apnic.net/london/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 /8:17 /9:12 /10:31 /11:90 /12:262
/13:501 /14:1011 /15:1720 /16:13010 /17:7135 /18:11761
/19:24471 /20:35052 /21:37008 /22:54889 /23:47884 /24:275145
/25:9 /26:11 /27:15 /28:103 /29:239 /30:277
/31:0 /32:128
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2066 2844 Cox Communications Inc.
18566 1996 2041 MegaPath Corporation
6389 1674 2894 BellSouth.net Inc.
6147 1347 1781 Telefonica del Peru S.A.A.
30036 1334 1488 Mediacom Communications Corp
6983 1228 1541 ITC^Deltacom
7029 1196 1975 Windstream Communications Inc
34984 1160 1840 TELLCOM ILETISIM HIZMETLERI A
11492 1135 1185 CABLE ONE, INC.
10620 1067 3032 Telmex Colombia S.A.
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1342 2:672 3:3 4:16 5:1190 6:21
8:756 12:1854 13:5 14:1068 15:17 16:2
17:42 18:21 20:51 23:947 24:1759 27:1802
31:1264 32:37 33:2 34:5 36:154 37:1813
38:1001 39:14 40:233 41:2988 42:330 43:570
44:20 45:81 46:2051 47:29 49:745 50:807
52:12 54:54 55:3 56:8 57:37 58:1099
59:632 60:424 61:1671 62:1258 63:1834 64:4405
65:2278 66:4178 67:2038 68:1093 69:3267 70:874
71:485 72:1986 74:2611 75:373 76:411 77:1611
78:984 79:762 80:1328 81:1283 82:799 83:659
84:709 85:1360 86:429 87:1188 88:503 89:1814
90:138 91:5802 92:799 93:1625 94:1967 95:1299
96:426 97:340 98:1097 99:48 100:67 101:728
103:5950 104:494 105:155 106:181 107:653 108:578
109:1986 110:1030 111:1421 112:715 113:904 114:791
115:1210 116:1117 117:989 118:1546 119:1365 120:723
121:951 122:2126 123:1682 124:1418 125:1489 128:579
129:378 130:355 131:917 132:379 133:164 134:312
135:85 136:322 137:315 138:395 139:199 140:198
141:408 142:582 143:448 144:509 145:111 146:658
147:547 148:1009 149:407 150:499 151:641 152:474
153:241 154:404 155:834 156:376 157:331 158:279
159:828 160:328 161:601 162:1786 163:340 164:634
165:666 166:363 167:689 168:1118 169:118 170:1426
171:191 172:62 173:1640 174:709 175:589 176:1525
177:3677 178:2101 179:802 180:1782 181:1782 182:1678
183:692 184:707 185:2283 186:2971 187:1689 188:2030
189:1529 190:7891 191:770 192:7672 193:5552 194:4068
195:3622 196:1651 197:792 198:5241 199:5463 200:6482
201:2896 202:8883 203:8929 204:4606 205:2629 206:2977
207:2899 208:3908 209:3740 210:3101 211:1779 212:2455
213:2181 214:849 215:84 216:5612 217:1709 218:616
219:329 220:1271 221:765 222:359 223:690
End of report