[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 25 18:12:59 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 26 Sep, 2015
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 564139
Prefixes after maximum aggregation (per Origin AS): 210496
Deaggregation factor: 2.68
Unique aggregates announced (without unneeded subnets): 274506
Total ASes present in the Internet Routing Table: 51538
Prefixes per ASN: 10.95
Origin-only ASes present in the Internet Routing Table: 36669
Origin ASes announcing only one prefix: 16099
Transit ASes present in the Internet Routing Table: 6405
Transit-only ASes present in the Internet Routing Table: 169
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 45
Max AS path prepend of ASN ( 55644) 41
Prefixes from unregistered ASNs in the Routing Table: 1089
Unregistered ASNs in the Routing Table: 408
Number of 32-bit ASNs allocated by the RIRs: 11123
Number of 32-bit ASNs visible in the Routing Table: 8464
Prefixes from 32-bit ASNs in the Routing Table: 32008
Number of bogon 32-bit ASNs visible in the Routing Table: 11
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 422
Number of addresses announced to Internet: 2810154432
Equivalent to 167 /8s, 127 /16s and 141 /24s
Percentage of available address space announced: 75.9
Percentage of allocated address space announced: 75.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 97.6
Total number of prefixes smaller than registry allocations: 186240
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 143190
Total APNIC prefixes after maximum aggregation: 39689
APNIC Deaggregation factor: 3.61
Prefixes being announced from the APNIC address blocks: 150804
Unique aggregates announced from the APNIC address blocks: 59977
APNIC Region origin ASes present in the Internet Routing Table: 5090
APNIC Prefixes per ASN: 29.63
APNIC Region origin ASes announcing only one prefix: 1203
APNIC Region transit ASes present in the Internet Routing Table: 888
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 1625
Number of APNIC addresses announced to Internet: 752840960
Equivalent to 44 /8s, 223 /16s and 113 /24s
Percentage of available APNIC address space announced: 88.0
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: 179852
Total ARIN prefixes after maximum aggregation: 88238
ARIN Deaggregation factor: 2.04
Prefixes being announced from the ARIN address blocks: 182897
Unique aggregates announced from the ARIN address blocks: 86351
ARIN Region origin ASes present in the Internet Routing Table: 16576
ARIN Prefixes per ASN: 11.03
ARIN Region origin ASes announcing only one prefix: 6042
ARIN Region transit ASes present in the Internet Routing Table: 1746
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: 697
Number of ARIN addresses announced to Internet: 1118369984
Equivalent to 66 /8s, 168 /16s and 248 /24s
Percentage of available ARIN address space announced: 59.2
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: 135843
Total RIPE prefixes after maximum aggregation: 67781
RIPE Deaggregation factor: 2.00
Prefixes being announced from the RIPE address blocks: 142937
Unique aggregates announced from the RIPE address blocks: 88843
RIPE Region origin ASes present in the Internet Routing Table: 18004
RIPE Prefixes per ASN: 7.94
RIPE Region origin ASes announcing only one prefix: 8048
RIPE Region transit ASes present in the Internet Routing Table: 2991
Average RIPE Region AS path length visible: 4.9
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 4046
Number of RIPE addresses announced to Internet: 699634944
Equivalent to 41 /8s, 179 /16s and 149 /24s
Percentage of available RIPE address space announced: 101.7
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: 60956
Total LACNIC prefixes after maximum aggregation: 11662
LACNIC Deaggregation factor: 5.23
Prefixes being announced from the LACNIC address blocks: 72889
Unique aggregates announced from the LACNIC address blocks: 33608
LACNIC Region origin ASes present in the Internet Routing Table: 2470
LACNIC Prefixes per ASN: 29.51
LACNIC Region origin ASes announcing only one prefix: 610
LACNIC Region transit ASes present in the Internet Routing Table: 536
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: 1946
Number of LACNIC addresses announced to Internet: 169251328
Equivalent to 10 /8s, 22 /16s and 146 /24s
Percentage of available LACNIC address space announced: 100.9
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: 12177
Total AfriNIC prefixes after maximum aggregation: 3084
AfriNIC Deaggregation factor: 3.95
Prefixes being announced from the AfriNIC address blocks: 14190
Unique aggregates announced from the AfriNIC address blocks: 5364
AfriNIC Region origin ASes present in the Internet Routing Table: 737
AfriNIC Prefixes per ASN: 19.25
AfriNIC Region origin ASes announcing only one prefix: 196
AfriNIC Region transit ASes present in the Internet Routing Table: 167
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: 150
Number of AfriNIC addresses announced to Internet: 69448448
Equivalent to 4 /8s, 35 /16s and 179 /24s
Percentage of available AfriNIC address space announced: 69.0
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
4538 5590 4192 76 China Education and Research
4766 3012 11134 984 Korea Telecom
7545 2799 339 134 TPG Telecom Limited
17974 2710 908 90 PT Telekomunikasi Indonesia
4755 2046 427 229 TATA Communications formerly
9829 1908 1383 226 National Internet Backbone
9808 1613 8639 18 Guangdong Mobile Communicatio
4812 1574 2099 113 China Telecom (Group)
4808 1519 2255 477 CNCGROUP IP network China169
9583 1497 118 560 Sify Limited
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 3192 2966 144 Cox Communications Inc.
6389 2686 3688 44 BellSouth.net Inc.
3356 2528 10708 499 Level 3 Communications, Inc.
18566 2167 392 265 MegaPath Corporation
20115 1887 1881 393 Charter Communications
6983 1739 866 242 EarthLink, Inc.
30036 1607 322 381 Mediacom Communications Corp
4323 1587 1005 406 tw telecom holdings, inc.
701 1400 11401 676 MCI Communications Services,
22561 1284 365 214 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 2473 129 7 SaudiNet, Saudi Telecom Compa
20940 2136 842 1544 Akamai International B.V.
34984 2048 306 377 TELLCOM ILETISIM HIZMETLERI A
8402 1075 544 15 OJSC "Vimpelcom"
13188 1072 97 76 TOV "Bank-Inform"
6849 1062 355 21 JSC "Ukrtelecom"
31148 1053 46 24 Freenet Ltd.
12479 1005 965 78 France Telecom Espana SA
8551 982 376 52 Bezeq International-Ltd
6830 912 2694 465 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 3382 540 133 Telmex Colombia S.A.
28573 2185 2169 121 NET Serviços de Comunicação S
8151 1847 3286 486 Uninet S.A. de C.V.
7303 1566 936 249 Telecom Argentina S.A.
6503 1397 429 56 Axtel, S.A.B. de C.V.
26615 1081 2325 35 Tim Celular S.A.
6147 1062 374 30 Telefonica del Peru S.A.A.
7738 997 1882 41 Telemar Norte Leste S.A.
11830 995 364 24 Instituto Costarricense de El
3816 954 437 163 COLOMBIA TELECOMUNICACIONES S
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
8452 930 1470 14 TE-AS
24863 805 281 37 Link Egypt (Link.NET)
36903 512 258 99 Office National des Postes et
36992 439 1229 32 ETISALAT MISR
37492 315 191 72 Orange Tunisie
24835 286 146 12 Vodafone Data
29571 247 21 13 Cote d'Ivoire Telecom
3741 223 853 186 Internet Solutions
36947 185 807 13 Telecom Algeria
12258 170 26 69 MWEB CONNECT (PROPRIETARY) LI
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
4538 5590 4192 76 China Education and Research
10620 3382 540 133 Telmex Colombia S.A.
22773 3192 2966 144 Cox Communications Inc.
4766 3012 11134 984 Korea Telecom
7545 2799 339 134 TPG Telecom Limited
17974 2710 908 90 PT Telekomunikasi Indonesia
6389 2686 3688 44 BellSouth.net Inc.
3356 2528 10708 499 Level 3 Communications, Inc.
39891 2473 129 7 SaudiNet, Saudi Telecom Compa
28573 2185 2169 121 NET Serviços de Comunicação S
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
10620 3382 3249 Telmex Colombia S.A.
22773 3192 3048 Cox Communications Inc.
7545 2799 2665 TPG Telecom Limited
6389 2686 2642 BellSouth.net Inc.
17974 2710 2620 PT Telekomunikasi Indonesia
39891 2473 2466 SaudiNet, Saudi Telecom Compa
28573 2185 2064 NET Serviços de Comunicação S
3356 2528 2029 Level 3 Communications, Inc.
4766 3012 2028 Korea Telecom
18566 2167 1902 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
47092 UNALLOCATED 8.8.204.0/24 16410 The Reynolds and Rey
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
33628 UNALLOCATED 12.0.239.0/24 1239 Sprint
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
100.100.1.0/24 9730 Bharti Telesonic Ltd
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.226.112.0/20 62788 >>UNKNOWN<<
23.249.144.0/20 40430 colo4jax, LLC
23.249.144.0/21 40430 colo4jax, LLC
23.249.152.0/21 40430 colo4jax, LLC
27.50.8.0/24 55548 >>UNKNOWN<<
27.50.9.0/24 55548 >>UNKNOWN<<
27.50.10.0/24 55548 >>UNKNOWN<<
27.50.11.0/24 55548 >>UNKNOWN<<
27.100.7.0/24 56096 >>UNKNOWN<<
31.217.248.0/21 44902 COVAGE NETWORKS SASU
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 /8:18 /9:13 /10:36 /11:95 /12:262
/13:501 /14:1006 /15:1743 /16:12909 /17:7401 /18:12590
/19:26300 /20:37378 /21:39531 /22:62006 /23:54193 /24:305834
/25:845 /26:927 /27:492 /28:15 /29:14 /30:9
/31:0 /32:21
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
39891 2432 2473 SaudiNet, Saudi Telecom Compa
22773 2400 3192 Cox Communications Inc.
18566 2075 2167 MegaPath Corporation
6389 1607 2686 BellSouth.net Inc.
30036 1426 1607 Mediacom Communications Corp
6983 1387 1739 EarthLink, Inc.
34984 1368 2048 TELLCOM ILETISIM HIZMETLERI A
10620 1254 3382 Telmex Colombia S.A.
11492 1131 1213 CABLE ONE, INC.
22561 993 1284 CenturyTel Internet Holdings,
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1586 2:688 4:97 5:1890 6:25 8:1406
12:1806 13:13 14:1438 15:16 16:2 17:50
18:22 20:51 23:1264 24:1740 27:2079 31:1620
32:52 33:2 34:2 35:4 36:154 37:2038
38:1064 39:15 40:72 41:2789 42:341 43:1527
44:32 45:1275 46:2355 47:57 49:994 50:800
52:23 54:94 55:5 56:4 57:43 58:1422
59:778 60:499 61:1784 62:1421 63:1901 64:4397
65:2248 66:3991 67:2076 68:1074 69:3274 70:1035
71:454 72:1982 74:2547 75:361 76:395 77:1376
78:1207 79:812 80:1346 81:1358 82:878 83:714
84:766 85:1401 86:452 87:1025 88:535 89:1922
90:150 91:6015 92:846 93:2278 94:2129 95:2164
96:436 97:349 98:958 99:55 100:75 101:854
103:8362 104:1967 105:79 106:348 107:1048 108:628
109:2144 110:1211 111:1463 112:830 113:1119 114:866
115:1376 116:1511 117:1117 118:1954 119:1474 120:469
121:1154 122:2176 123:1843 124:1561 125:1726 128:702
129:368 130:430 131:1246 132:539 133:166 134:427
135:106 136:350 137:325 138:1329 139:171 140:248
141:438 142:657 143:543 144:575 145:127 146:769
147:595 148:1265 149:436 150:596 151:797 152:568
153:258 154:495 155:885 156:421 157:424 158:346
159:1061 160:426 161:670 162:2124 163:464 164:693
165:857 166:301 167:874 168:1232 169:196 170:1402
171:251 172:279 173:1525 174:712 175:716 176:1459
177:3933 178:2195 179:1005 180:1936 181:1557 182:1811
183:635 184:746 185:4347 186:2921 187:1880 188:2110
189:1685 190:7615 191:1169 192:8597 193:5667 194:4269
195:3672 196:1956 197:1094 198:5477 199:5518 200:6669
201:3290 202:9788 203:9216 204:4548 205:2741 206:3028
207:2980 208:4001 209:3892 210:3755 211:2042 212:2572
213:2211 214:848 215:72 216:5762 217:1800 218:802
219:533 220:1569 221:822 222:722 223:831
End of report
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