[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 24 18:13:43 UTC 2015
This is an automated weekly mailing describing the state of the Internet
Routing Table as seen from APNIC's router in Japan.
The posting is sent to APOPS, NANOG, AfNOG, AusNOG, SANOG, PacNOG,
CaribNOG and the RIPE Routing Working Group.
Daily listings are sent to bgp-stats at lists.apnic.net
For historical data, please see http://thyme.rand.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
Routing Table Report 04:00 +10GMT Sat 25 Jul, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 553100
Prefixes after maximum aggregation (per Origin AS): 209326
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 269834
Total ASes present in the Internet Routing Table: 50975
Prefixes per ASN: 10.85
Origin-only ASes present in the Internet Routing Table: 36693
Origin ASes announcing only one prefix: 16176
Transit ASes present in the Internet Routing Table: 6344
Transit-only ASes present in the Internet Routing Table: 174
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 39
Max AS path prepend of ASN ( 12486) 32
Prefixes from unregistered ASNs in the Routing Table: 1826
Unregistered ASNs in the Routing Table: 576
Number of 32-bit ASNs allocated by the RIRs: 10330
Number of 32-bit ASNs visible in the Routing Table: 7938
Prefixes from 32-bit ASNs in the Routing Table: 29501
Number of bogon 32-bit ASNs visible in the Routing Table: 17
Special use prefixes present in the Routing Table: 3
Prefixes being announced from unallocated address space: 417
Number of addresses announced to Internet: 2770525221
Equivalent to 165 /8s, 34 /16s and 220 /24s
Percentage of available address space announced: 74.8
Percentage of allocated address space announced: 74.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.5
Total number of prefixes smaller than registry allocations: 184978
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 136914
Total APNIC prefixes after maximum aggregation: 39806
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 143793
Unique aggregates announced from the APNIC address blocks: 58303
APNIC Region origin ASes present in the Internet Routing Table: 5075
APNIC Prefixes per ASN: 28.33
APNIC Region origin ASes announcing only one prefix: 1196
APNIC Region transit ASes present in the Internet Routing Table: 883
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 39
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1558
Number of APNIC addresses announced to Internet: 751328325
Equivalent to 44 /8s, 200 /16s and 92 /24s
Percentage of available APNIC address space announced: 87.8
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: 179653
Total ARIN prefixes after maximum aggregation: 88052
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 182431
Unique aggregates announced from the ARIN address blocks: 85355
ARIN Region origin ASes present in the Internet Routing Table: 16593
ARIN Prefixes per ASN: 10.99
ARIN Region origin ASes announcing only one prefix: 6083
ARIN Region transit ASes present in the Internet Routing Table: 1739
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 559
Number of ARIN addresses announced to Internet: 1085308960
Equivalent to 64 /8s, 176 /16s and 128 /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, 64198-64296, 393216-395164
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: 134316
Total RIPE prefixes after maximum aggregation: 66801
RIPE Deaggregation factor: 2.01
Prefixes being announced from the RIPE address blocks: 140927
Unique aggregates announced from the RIPE address blocks: 87411
RIPE Region origin ASes present in the Internet Routing Table: 17973
RIPE Prefixes per ASN: 7.84
RIPE Region origin ASes announcing only one prefix: 8088
RIPE Region transit ASes present in the Internet Routing Table: 2975
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 3875
Number of RIPE addresses announced to Internet: 698628224
Equivalent to 41 /8s, 164 /16s and 56 /24s
Percentage of available RIPE address space announced: 101.6
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, 196608-204287
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: 60334
Total LACNIC prefixes after maximum aggregation: 11560
LACNIC Deaggregation factor: 5.22
Prefixes being announced from the LACNIC address blocks: 71453
Unique aggregates announced from the LACNIC address blocks: 33162
LACNIC Region origin ASes present in the Internet Routing Table: 2453
LACNIC Prefixes per ASN: 29.13
LACNIC Region origin ASes announcing only one prefix: 614
LACNIC Region transit ASes present in the Internet Routing Table: 510
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1811
Number of LACNIC addresses announced to Internet: 168750400
Equivalent to 10 /8s, 14 /16s and 237 /24s
Percentage of available LACNIC address space announced: 100.6
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: 12197
Total AfriNIC prefixes after maximum aggregation: 3058
AfriNIC Deaggregation factor: 3.99
Prefixes being announced from the AfriNIC address blocks: 14079
Unique aggregates announced from the AfriNIC address blocks: 5234
AfriNIC Region origin ASes present in the Internet Routing Table: 736
AfriNIC Prefixes per ASN: 19.13
AfriNIC Region origin ASes announcing only one prefix: 195
AfriNIC Region transit ASes present in the Internet Routing Table: 163
Average AfriNIC Region AS path length visible: 4.6
Max AfriNIC Region AS path length visible: 24
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 135
Number of AfriNIC addresses announced to Internet: 65998592
Equivalent to 3 /8s, 239 /16s and 15 /24s
Percentage of available AfriNIC address space announced: 65.6
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 2949 11305 941 Korea Telecom
17974 2699 904 78 PT Telekomunikasi Indonesia
7545 2571 339 137 TPG Telecom Limited
4755 2026 425 225 TATA Communications formerly
4538 1947 4190 71 China Education and Research
9829 1796 1356 151 National Internet Backbone
9808 1584 8717 29 Guangdong Mobile Communicatio
9583 1517 119 570 Sify Limited
4808 1465 2245 470 CNCGROUP IP network China169
9498 1360 335 105 BHARTI Airtel Ltd.
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
22773 3174 2957 136 Cox Communications Inc.
6389 2758 3688 51 BellSouth.net Inc.
3356 2556 10702 512 Level 3 Communications, Inc.
18566 2068 381 203 MegaPath Corporation
20115 1868 1843 407 Charter Communications
6983 1750 850 244 EarthLink, Inc.
4323 1606 1022 414 tw telecom holdings, inc.
30036 1550 315 481 Mediacom Communications Corp
701 1393 11371 677 MCI Communications Services,
22561 1376 415 256 CenturyTel Internet Holdings,
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
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
34984 2196 306 367 TELLCOM ILETISIM HIZMETLERI A
20940 2053 807 1489 Akamai International B.V.
6849 1209 355 21 JSC "Ukrtelecom"
8551 1102 376 52 Bezeq International-Ltd
13188 1067 97 77 TOV "Bank-Inform"
31148 1058 46 26 Freenet Ltd.
8402 973 544 15 OJSC "Vimpelcom"
12479 966 933 77 France Telecom Espana SA
6830 918 2696 471 Liberty Global Operations B.V
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
10620 3292 532 249 Telmex Colombia S.A.
28573 2313 2171 111 NET Serviços de Comunicação S
8151 1656 3275 451 Uninet S.A. de C.V.
7303 1632 1008 238 Telecom Argentina S.A.
6147 1445 374 30 Telefonica del Peru S.A.A.
6503 1309 421 55 Axtel, S.A.B. de C.V.
26615 1100 2325 35 Tim Celular S.A.
7738 999 1882 41 Telemar Norte Leste S.A.
3816 950 430 163 COLOMBIA TELECOMUNICACIONES S
11830 892 364 15 Instituto Costarricense de El
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
24863 888 280 26 Link Egypt (Link.NET)
8452 843 958 13 TE-AS
36903 512 258 99 Office National des Postes et
36992 442 1229 32 ETISALAT MISR
37492 312 175 71 Orange Tunisie
24835 307 146 12 Vodafone Data
3741 250 857 208 Internet Solutions
29571 246 21 13 Cote d'Ivoire Telecom
36947 195 807 13 Telecom Algeria
37054 189 20 7 Data Telecom Service
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
10620 3292 532 249 Telmex Colombia S.A.
22773 3174 2957 136 Cox Communications Inc.
4766 2949 11305 941 Korea Telecom
6389 2758 3688 51 BellSouth.net Inc.
17974 2699 904 78 PT Telekomunikasi Indonesia
7545 2571 339 137 TPG Telecom Limited
3356 2556 10702 512 Level 3 Communications, Inc.
39891 2472 128 6 SaudiNet, Saudi Telecom Compa
28573 2313 2171 111 NET Serviços de Comunicação S
34984 2196 306 367 TELLCOM ILETISIM HIZMETLERI A
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
22773 3174 3038 Cox Communications Inc.
6389 2758 2707 BellSouth.net Inc.
17974 2699 2621 PT Telekomunikasi Indonesia
39891 2472 2466 SaudiNet, Saudi Telecom Compa
7545 2571 2434 TPG Telecom Limited
28573 2313 2202 NET Serviços de Comunicação S
3356 2556 2044 Level 3 Communications, Inc.
4766 2949 2008 Korea Telecom
4538 1947 1876 China Education and Research
18566 2068 1865 MegaPath Corporation
Complete listing at http://thyme.rand.apnic.net/current/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 2828 XO Communications
46467 UNALLOCATED 8.19.192.0/24 46887 Lightower Fiber Netw
18985 UNALLOCATED 8.21.68.0/22 3356 Level 3 Communicatio
46473 UNALLOCATED 8.27.122.0/24 12180 Internap Network Ser
46473 UNALLOCATED 8.27.124.0/24 12180 Internap Network Ser
27205 UNALLOCATED 8.38.16.0/21 6461 Abovenet Communicati
15347 UNALLOCATED 8.224.147.0/24 12064 Cox Communications I
560 UNALLOCATED 8.254.136.0/22 3356 Level 3 Communicatio
560 UNALLOCATED 8.254.136.0/23 3356 Level 3 Communicatio
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.66.34.0/24 31148 Freenet Ltd.
100.66.35.0/24 31148 Freenet Ltd.
100.67.26.0/24 31148 Freenet Ltd.
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
5.100.241.0/24 23456 32bit Transition AS
23.226.112.0/20 62788 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
41.73.1.0/24 37004 >>UNKNOWN<<
41.73.2.0/24 37004 >>UNKNOWN<<
41.73.3.0/24 37004 >>UNKNOWN<<
41.73.4.0/24 37004 >>UNKNOWN<<
41.73.5.0/24 37004 >>UNKNOWN<<
41.73.6.0/24 37004 >>UNKNOWN<<
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 /9:13 /10:36 /11:95 /12:262
/13:505 /14:1003 /15:1728 /16:12892 /17:7284 /18:12346
/19:25559 /20:36012 /21:38728 /22:60605 /23:52840 /24:300118
/25:1136 /26:1160 /27:707 /28:14 /29:14 /30:9
/31:0 /32:18
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2472 SaudiNet, Saudi Telecom Compa
22773 2374 3174 Cox Communications Inc.
18566 2010 2068 MegaPath Corporation
6389 1629 2758 BellSouth.net Inc.
34984 1471 2196 TELLCOM ILETISIM HIZMETLERI A
6983 1397 1750 EarthLink, Inc.
30036 1373 1550 Mediacom Communications Corp
10620 1177 3292 Telmex Colombia S.A.
11492 1111 1195 CABLE ONE, INC.
22561 1049 1376 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1539 2:697 4:96 5:1888 6:25 8:1385
12:1835 13:14 14:1320 15:17 16:2 17:44
18:22 20:49 23:1254 24:1757 27:1997 31:1603
32:37 33:2 34:4 35:3 36:158 37:1973
38:1039 39:14 40:69 41:2735 42:296 43:1362
44:30 45:841 46:2312 47:50 49:920 50:780
52:12 54:82 55:4 56:6 57:42 58:1353
59:718 60:478 61:1756 62:1374 63:1901 64:4403
65:2252 66:4032 67:2055 68:1060 69:3246 70:1024
71:445 72:1959 74:2615 75:341 76:397 77:1281
78:1169 79:808 80:1358 81:1313 82:860 83:718
84:801 85:1331 86:442 87:1038 88:538 89:1929
90:145 91:5998 92:842 93:2278 94:2079 95:2203
96:438 97:348 98:1023 99:54 100:76 101:846
103:7846 104:1992 105:65 106:337 107:1033 108:629
109:2088 110:1145 111:1450 112:821 113:1110 114:843
115:1259 116:1417 117:1074 118:1876 119:1462 120:451
121:1141 122:2163 123:1835 124:1516 125:1624 128:619
129:395 130:413 131:1210 132:514 133:171 134:409
135:97 136:334 137:327 138:1010 139:149 140:237
141:505 142:661 143:508 144:553 145:124 146:796
147:582 148:1197 149:416 150:563 151:706 152:523
153:251 154:470 155:882 156:423 157:420 158:354
159:1021 160:407 161:657 162:2000 163:439 164:698
165:695 166:298 167:829 168:1255 169:185 170:1472
171:246 172:271 173:1533 174:719 175:696 176:1439
177:3917 178:2174 179:937 180:1940 181:1619 182:1841
183:626 184:757 185:3917 186:2867 187:1772 188:2072
189:1628 190:7640 191:1099 192:8546 193:5648 194:4226
195:3677 196:1968 197:1037 198:5548 199:5513 200:6604
201:3202 202:9536 203:9153 204:4697 205:2842 206:3059
207:2982 208:3992 209:3888 210:3594 211:1920 212:2539
213:2351 214:846 215:71 216:5749 217:1836 218:733
219:467 220:1489 221:817 222:471 223:815
End of report
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