Routing Table Report 08:00 +10GMT Wed 24 Sep, 2014
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/london/
Analysis Summary
----------------
BGP routing table entries examined: 505478
Prefixes after maximum aggregation: 197075
Deaggregation factor: 2.56
Unique aggregates announced to Internet: 251663
Total ASes present in the Internet Routing Table: 47960
Prefixes per ASN: 10.54
Origin-only ASes present in the Internet Routing Table: 36165
Origin ASes announcing only one prefix: 16375
Transit ASes present in the Internet Routing Table: 6033
Transit-only ASes present in the Internet Routing Table: 145
Average AS path length visible in the Internet Routing Table: 3.6
Max AS path length visible: 42
Max AS path prepend of ASN ( 62159) 40
Prefixes from unregistered ASNs in the Routing Table: 1816
Unregistered ASNs in the Routing Table: 476
Number of 32-bit ASNs allocated by the RIRs: 7466
Number of 32-bit ASNs visible in the Routing Table: 5762
Prefixes from 32-bit ASNs in the Routing Table: 20147
Number of bogon 32-bit ASNs visible in the Routing Table: 18
Special use prefixes present in the Routing Table: 10
Prefixes being announced from unallocated address space: 385
Number of addresses announced to Internet: 2731121414
Equivalent to 162 /8s, 201 /16s and 155 /24s
Percentage of available address space announced: 73.8
Percentage of allocated address space announced: 73.8
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: 172717
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 119816
Total APNIC prefixes after maximum aggregation: 35549
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 124296
Unique aggregates announced from the APNIC address blocks: 52922
APNIC Region origin ASes present in the Internet Routing Table: 4940
APNIC Prefixes per ASN: 25.16
APNIC Region origin ASes announcing only one prefix: 1221
APNIC Region transit ASes present in the Internet Routing Table: 825
Average APNIC Region AS path length visible: 3.9
Max APNIC Region AS path length visible: 40
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1110
Number of APNIC addresses announced to Internet: 734482688
Equivalent to 43 /8s, 199 /16s and 81 /24s
Percentage of available APNIC address space announced: 85.8
APNIC AS Blocks 4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations) 23552-24575, 37888-38911, 45056-46079, 55296-56319,
58368-59391, 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: 168834
Total ARIN prefixes after maximum aggregation: 84782
ARIN Deaggregation factor: 1.99
Prefixes being announced from the ARIN address blocks: 171016
Unique aggregates announced from the ARIN address blocks: 80746
ARIN Region origin ASes present in the Internet Routing Table: 16319
ARIN Prefixes per ASN: 10.48
ARIN Region origin ASes announcing only one prefix: 6099
ARIN Region transit ASes present in the Internet Routing Table: 1642
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: 205
Number of ARIN addresses announced to Internet: 1084385536
Equivalent to 64 /8s, 162 /16s and 105 /24s
Percentage of available ARIN address space announced: 57.4
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: 124841
Total RIPE prefixes after maximum aggregation: 63278
RIPE Deaggregation factor: 1.97
Prefixes being announced from the RIPE address blocks: 130026
Unique aggregates announced from the RIPE address blocks: 82560
RIPE Region origin ASes present in the Internet Routing Table: 17717
RIPE Prefixes per ASN: 7.34
RIPE Region origin ASes announcing only one prefix: 8204
RIPE Region transit ASes present in the Internet Routing Table: 2885
Average RIPE Region AS path length visible: 3.5
Max RIPE Region AS path length visible: 42
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3070
Number of RIPE addresses announced to Internet: 659005952
Equivalent to 39 /8s, 71 /16s and 162 /24s
Percentage of available RIPE address space announced: 95.8
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: 59382
Total LACNIC prefixes after maximum aggregation: 10589
LACNIC Deaggregation factor: 5.61
Prefixes being announced from the LACNIC address blocks: 67502
Unique aggregates announced from the LACNIC address blocks: 30367
LACNIC Region origin ASes present in the Internet Routing Table: 2307
LACNIC Prefixes per ASN: 29.26
LACNIC Region origin ASes announcing only one prefix: 637
LACNIC Region transit ASes present in the Internet Routing Table: 455
Average LACNIC Region AS path length visible: 4.2
Max LACNIC Region AS path length visible: 20
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1321
Number of LACNIC addresses announced to Internet: 170939392
Equivalent to 10 /8s, 48 /16s and 84 /24s
Percentage of available LACNIC address space announced: 101.9
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: 11416
Total AfriNIC prefixes after maximum aggregation: 2832
AfriNIC Deaggregation factor: 4.03
Prefixes being announced from the AfriNIC address blocks: 12252
Unique aggregates announced from the AfriNIC address blocks: 4724
AfriNIC Region origin ASes present in the Internet Routing Table: 740
AfriNIC Prefixes per ASN: 16.56
AfriNIC Region origin ASes announcing only one prefix: 214
AfriNIC Region transit ASes present in the Internet Routing Table: 154
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: 56
Number of AfriNIC addresses announced to Internet: 59727872
Equivalent to 3 /8s, 143 /16s and 96 /24s
Percentage of available AfriNIC address space announced: 59.3
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 2815 900 74 PT Telekomunikasi Indonesia
4766 2226 11584 630 Korea Telecom
7545 2209 335 117 TPG Telecom Limited
4755 1923 434 202 TATA Communications formerly
9829 1625 1306 38 National Internet Backbone
9583 1375 111 563 Sify Limited
9498 1306 333 92 BHARTI Airtel Ltd.
9808 1250 6639 15 Guangdong Mobile Communicatio
7552 1228 1098 14 Viettel Corporation
24560 1173 406 191 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
22773 2900 2940 142 Cox Communications Inc.
6389 2896 3688 51 BellSouth.net Inc.
18566 2043 379 177 MegaPath Corporation
7029 1921 1975 325 Windstream Communications Inc
20115 1790 1772 498 Charter Communications
4323 1639 1067 411 tw telecom holdings, inc.
30036 1523 320 580 Mediacom Communications Corp
6983 1501 802 311 ITC^Deltacom
701 1438 11242 721 MCI Communications Services,
22561 1306 408 237 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 1816 299 285 TELLCOM ILETISIM HIZMETLERI A
20940 1465 571 1076 Akamai International B.V.
8402 1402 544 14 OJSC "Vimpelcom"
31148 1043 45 21 Freenet Ltd.
13188 1032 100 32 TOV "Bank-Inform"
8551 856 372 42 Bezeq International-Ltd
6849 839 356 26 JSC "Ukrtelecom"
12479 803 798 58 France Telecom Espana SA
6830 777 2335 432 Liberty Global Operations B.V
9198 625 346 28 JSC Kazakhtelecom
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
28573 3012 2311 110 NET Serviços de Comunicação S
10620 2963 480 277 Telmex Colombia S.A.
18881 2108 1036 22 Global Village Telecom
6147 1836 374 30 Telefonica del Peru S.A.A.
7303 1757 1167 233 Telecom Argentina S.A.
8151 1461 3016 429 Uninet S.A. de C.V.
6503 1114 434 61 Axtel, S.A.B. de C.V.
7738 995 1882 41 Telemar Norte Leste S.A.
27947 904 130 53 Telconet S.A
3816 858 363 137 COLOMBIA TELECOMUNICACIONES S
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
24863 947 280 26 Link Egypt (Link.NET)
6713 678 760 38 Office National des Postes et
8452 557 958 13 TE-AS
36992 347 824 27 ETISALAT MISR
24835 307 144 9 Vodafone Data
37054 288 19 6 Data Telecom Service
3741 249 920 212 Internet Solutions
29571 242 22 17 Cote d'Ivoire Telecom
15706 186 17 6 Sudatel (Sudan Telecom Co. Lt
12258 174 26 71 MWEB CONNECT (PROPRIETARY) LI
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
28573 3012 2311 110 NET Serviços de Comunicação S
10620 2963 480 277 Telmex Colombia S.A.
22773 2900 2940 142 Cox Communications Inc.
6389 2896 3688 51 BellSouth.net Inc.
17974 2815 900 74 PT Telekomunikasi Indonesia
4766 2226 11584 630 Korea Telecom
7545 2209 335 117 TPG Telecom Limited
18881 2108 1036 22 Global Village Telecom
18566 2043 379 177 MegaPath Corporation
4755 1923 434 202 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 2896 2845 BellSouth.net Inc.
22773 2900 2758 Cox Communications Inc.
17974 2815 2741 PT Telekomunikasi Indonesia
10620 2963 2686 Telmex Colombia S.A.
7545 2209 2092 TPG Telecom Limited
18881 2108 2086 Global Village Telecom
18566 2043 1866 MegaPath Corporation
6147 1836 1806 Telefonica del Peru S.A.A.
4755 1923 1721 TATA Communications formerly
4766 2226 1596 Korea Telecom
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 /12:263
/13:504 /14:1002 /15:1717 /16:12994 /17:7100 /18:11655
/19:24407 /20:34969 /21:37358 /22:54430 /23:47498 /24:270701
/25:8 /26:11 /27:15 /28:104 /29:226 /30:244
/31:0 /32:122
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
22773 2134 2900 Cox Communications Inc.
18566 1998 2043 MegaPath Corporation
6389 1675 2896 BellSouth.net Inc.
6147 1398 1836 Telefonica del Peru S.A.A.
30036 1368 1523 Mediacom Communications Corp
6983 1196 1501 ITC^Deltacom
7029 1139 1921 Windstream Communications Inc
34984 1136 1816 TELLCOM ILETISIM HIZMETLERI A
11492 1125 1173 CABLE ONE, INC.
8402 1079 1402 OJSC "Vimpelcom"
Complete listing at http://thyme.rand.apnic.net/london/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1343 2:649 3:3 4:17 5:1138 6:21
8:736 12:1847 13:4 14:1051 15:17 16:2
17:41 18:21 20:51 23:920 24:1749 27:1794
31:1407 32:36 33:2 34:5 36:156 37:1780
38:988 39:22 40:223 41:2652 42:268 43:382
44:16 45:71 46:2150 47:26 49:732 50:805
52:12 54:52 55:6 56:6 57:37 58:1165
59:650 60:420 61:1671 62:1275 63:1826 64:4413
65:2292 66:4190 67:2052 68:1048 69:3275 70:864
71:471 72:2006 74:2591 75:373 76:413 77:1603
78:860 79:726 80:1315 81:1205 82:754 83:778
84:736 85:1324 86:450 87:1160 88:469 89:1759
90:138 91:5744 92:753 93:1795 94:2091 95:1284
96:427 97:342 98:1102 99:48 100:62 101:717
103:5611 104:261 105:136 106:184 107:635 108:555
109:1973 110:1022 111:1378 112:700 113:884 114:776
115:1252 116:1068 117:977 118:1571 119:1396 120:417
121:965 122:2117 123:1605 124:1407 125:1577 128:562
129:339 130:341 131:797 132:392 133:165 134:311
135:81 136:305 137:229 138:378 139:203 140:195
141:399 142:563 143:441 144:503 145:110 146:674
147:547 148:908 149:438 150:490 151:706 152:465
153:240 154:355 155:542 156:365 157:328 158:276
159:842 160:325 161:591 162:1753 163:331 164:695
165:654 166:363 167:682 168:1111 169:119 170:1417
171:188 172:64 173:1639 174:702 175:593 176:1481
177:3575 178:2076 179:793 180:1749 181:1615 182:1650
183:537 184:718 185:2098 186:2940 187:1695 188:2202
189:1488 190:7878 191:746 192:7494 193:5507 194:4064
195:3583 196:1441 197:718 198:5089 199:5444 200:6490
201:2905 202:8922 203:8872 204:4478 205:2631 206:2835
207:2862 208:3901 209:3714 210:3087 211:1750 212:2389
213:2135 214:862 215:86 216:5652 217:1694 218:610
219:330 220:1271 221:628 222:363 223:594
End of report