[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 15 18:03:46 UTC 2019
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, SANOG, PacNOG, SAFNOG
TZNOG, MENOG, BJNOG, SDNOG, CMNOG, LACNOG and the RIPE Routing WG.
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 16 Nov, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 782974
Prefixes after maximum aggregation (per Origin AS): 298494
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 377528
Total ASes present in the Internet Routing Table: 66178
Prefixes per ASN: 11.83
Origin-only ASes present in the Internet Routing Table: 56868
Origin ASes announcing only one prefix: 24273
Transit ASes present in the Internet Routing Table: 9310
Transit-only ASes present in the Internet Routing Table: 269
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 34
Max AS path prepend of ASN ( 44555) 27
Prefixes from unregistered ASNs in the Routing Table: 27
Number of instances of unregistered ASNs: 27
Number of 32-bit ASNs allocated by the RIRs: 29534
Number of 32-bit ASNs visible in the Routing Table: 24191
Prefixes from 32-bit ASNs in the Routing Table: 110280
Number of bogon 32-bit ASNs visible in the Routing Table: 11
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 351
Number of addresses announced to Internet: 2842462336
Equivalent to 169 /8s, 108 /16s and 136 /24s
Percentage of available address space announced: 76.8
Percentage of allocated address space announced: 76.8
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.4
Total number of prefixes smaller than registry allocations: 260733
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 209819
Total APNIC prefixes after maximum aggregation: 61136
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 203946
Unique aggregates announced from the APNIC address blocks: 84964
APNIC Region origin ASes present in the Internet Routing Table: 10181
APNIC Prefixes per ASN: 20.03
APNIC Region origin ASes announcing only one prefix: 2822
APNIC Region transit ASes present in the Internet Routing Table: 1517
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 25
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5205
Number of APNIC addresses announced to Internet: 771253632
Equivalent to 45 /8s, 248 /16s and 101 /24s
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, 64297-64395, 131072-141625
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: 230215
Total ARIN prefixes after maximum aggregation: 106863
ARIN Deaggregation factor: 2.15
Prefixes being announced from the ARIN address blocks: 227648
Unique aggregates announced from the ARIN address blocks: 108893
ARIN Region origin ASes present in the Internet Routing Table: 18632
ARIN Prefixes per ASN: 12.22
ARIN Region origin ASes announcing only one prefix: 6920
ARIN Region transit ASes present in the Internet Routing Table: 1922
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 2997
Number of ARIN addresses announced to Internet: 1068521216
Equivalent to 63 /8s, 176 /16s and 87 /24s
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, 393216-399260
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, 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: 219444
Total RIPE prefixes after maximum aggregation: 102774
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 216220
Unique aggregates announced from the RIPE address blocks: 128024
RIPE Region origin ASes present in the Internet Routing Table: 26641
RIPE Prefixes per ASN: 8.12
RIPE Region origin ASes announcing only one prefix: 11695
RIPE Region transit ASes present in the Internet Routing Table: 3764
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8712
Number of RIPE addresses announced to Internet: 723320576
Equivalent to 43 /8s, 28 /16s and 255 /24s
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, 64396-64495
196608-210331
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: 101671
Total LACNIC prefixes after maximum aggregation: 23319
LACNIC Deaggregation factor: 4.36
Prefixes being announced from the LACNIC address blocks: 102787
Unique aggregates announced from the LACNIC address blocks: 45050
LACNIC Region origin ASes present in the Internet Routing Table: 9096
LACNIC Prefixes per ASN: 11.30
LACNIC Region origin ASes announcing only one prefix: 2361
LACNIC Region transit ASes present in the Internet Routing Table: 1721
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 32
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6650
Number of LACNIC addresses announced to Internet: 173986560
Equivalent to 10 /8s, 94 /16s and 211 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-270748 + 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: 21797
Total AfriNIC prefixes after maximum aggregation: 4380
AfriNIC Deaggregation factor: 4.98
Prefixes being announced from the AfriNIC address blocks: 32022
Unique aggregates announced from the AfriNIC address blocks: 10301
AfriNIC Region origin ASes present in the Internet Routing Table: 1344
AfriNIC Prefixes per ASN: 23.83
AfriNIC Region origin ASes announcing only one prefix: 475
AfriNIC Region transit ASes present in the Internet Routing Table: 265
Average AfriNIC Region AS path length visible: 4.9
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 627
Number of AfriNIC addresses announced to Internet: 105025024
Equivalent to 6 /8s, 66 /16s and 142 /24s
AfriNIC AS Blocks 36864-37887, 327680-328703 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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
7545 5096 633 595 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4681 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3259 1331 27 VIETEL-AS-AP Viettel Group, VN
45899 3076 1777 109 VNPT-AS-VN VNPT Corp, VN
7713 2705 799 489 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2620 9043 63 CMNET-GD Guangdong Mobile Communication
9829 2530 1496 531 BSNL-NIB National Internet Backbone, IN
4766 2383 11113 666 KIXS-AS-KR Korea Telecom, KR
9498 2207 433 212 BBIL-AP BHARTI Airtel Ltd., IN
4755 2149 442 196 TATACOMM-AS TATA Communications formerl
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
7155 4055 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3755 247 675 CABLEONE - CABLE ONE, INC., US
16509 3674 7381 1607 AMAZON-02 - Amazon.com, Inc., US
22773 3498 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3357 1324 93 SHAW - Shaw Communications Inc., CA
16625 2904 1535 2072 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2250 355 112 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
20115 2134 2769 517 CHARTER-20115 - Charter Communications,
209 2107 5071 529 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
18566 2065 405 102 MEGAPATH5-US - MegaPath Corporation, US
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
12479 5662 1619 137 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
8551 2970 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2809 476 1971 AKAMAI-ASN1, US
31334 2625 484 13 KABELDEUTSCHLAND-AS, DE
12389 2456 2235 706 ROSTELECOM-AS, RU
34984 2160 350 538 TELLCOM-AS, TR
9009 1940 208 1062 M247, GB
9121 1938 1691 18 TTNET, TR
13188 1601 100 47 TRIOLAN, UA
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
8151 6238 3330 614 Uninet S.A. de C.V., MX
10620 3355 532 466 Telmex Colombia S.A., CO
11830 2687 369 63 Instituto Costarricense de Electricidad
6503 1686 323 388 Axtel, S.A.B. de C.V., MX
7303 1478 1024 275 Telecom Argentina S.A., AR
28573 1200 2232 195 CLARO S.A., BR
13999 1118 494 245 Mega Cable, S.A. de C.V., MX
3816 1108 560 136 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1049 380 37 Telefonica del Peru S.A.A., PE
11172 934 110 59 Alestra, S. de R.L. de C.V., MX
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 1176 393 23 LINKdotNET-AS, EG
36992 1025 1535 73 ETISALAT-MISR, EG
24835 975 618 25 RAYA-AS, EG
36903 868 438 95 MT-MPLS, MA
8452 648 1857 19 TE-AS TE-AS, EG
6713 626 1863 34 IAM-AS, MA
29571 556 68 11 ORANGE-COTE-IVOIRE, CI
37342 481 32 1 MOVITEL, MZ
15399 410 45 10 WANANCHI-, KE
23889 366 231 15 MauritiusTelecom, MU
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
8151 6238 3330 614 Uninet S.A. de C.V., MX
12479 5662 1619 137 UNI2-AS, ES
7545 5096 633 595 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4681 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4055 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3755 247 675 CABLEONE - CABLE ONE, INC., US
16509 3674 7381 1607 AMAZON-02 - Amazon.com, Inc., US
22773 3498 2970 155 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3357 1324 93 SHAW - Shaw Communications Inc., CA
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggr summary
----------------------------------
ASN No of nets Net Savings Description
12479 5662 5525 UNI2-AS, ES
4538 4681 4608 ERX-CERNET-BKB China Education and Research Net
7545 5096 4501 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4055 4028 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
22773 3498 3343 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
6327 3357 3264 SHAW - Shaw Communications Inc., CA
7552 3259 3232 VIETEL-AS-AP Viettel Group, VN
11492 3755 3080 CABLEONE - CABLE ONE, INC., US
45899 3076 2967 VNPT-AS-VN VNPT Corp, VN
Complete listing at http://thyme.rand.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Network Transit AS Description
230105 UNALLOCATED 38.110.79.0/24 23015 CMC180-TOR-AS - Cambridge Merc
64501 DOCUMENT 45.174.25.0/24 267817 UNKNOWN
260984 UNALLOCATED 45.175.186.0/23 16735 ALGAR TELECOM S/A, BR
266842 UNALLOCATED 45.238.156.0/22 265680 HNTELCO S.A, HN
65550 DOCUMENT 81.8.34.0/24 15924 BORUSANTELEKOM-AS, TR
65550 DOCUMENT 81.8.35.0/24 15924 BORUSANTELEKOM-AS, TR
64339 UNALLOCATED 143.0.108.0/22 18747 IFX18747 - IFX Corporation, US
64355 UNALLOCATED 156.40.196.0/24 30387 NIH-NET-NCCS - National Instit
64011 UNALLOCATED 166.133.128.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
64011 UNALLOCATED 166.133.192.0/18 20057 ATT-MOBILITY-LLC-AS20057 - AT&
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Advertised Unallocated Addresses
--------------------------------
Network Origin AS Description
23.136.224.0/24 15206 6X7 - 6x7 Networks LLC, ZZ
27.100.7.0/24 56096 UNKNOWN
27.126.156.0/22 55827 UNKNOWN
27.126.156.0/23 55827 UNKNOWN
27.126.158.0/23 55827 UNKNOWN
31.217.248.0/23 209372 IPMEN, GB
31.217.250.0/23 209372 IPMEN, GB
31.217.252.0/23 209372 IPMEN, GB
31.217.254.0/23 209372 IPMEN, GB
37.77.148.0/23 209372 IPMEN, GB
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 /8:10 /9:11 /10:38 /11:100 /12:290
/13:578 /14:1159 /15:1921 /16:13326 /17:8095 /18:13786
/19:25719 /20:40280 /21:47438 /22:97785 /23:79597 /24:451528
/25:1313 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
12479 4619 5662 UNI2-AS, ES
7155 3147 4055 VIASAT-SP-BACKBONE - ViaSat,Inc., US
6327 3144 3357 SHAW - Shaw Communications Inc., CA
39891 2946 4034 ALJAWWALSTC-AS, SA
11492 2921 3755 CABLEONE - CABLE ONE, INC., US
22773 2720 3498 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 2481 2625 KABELDEUTSCHLAND-AS, DE
8551 2429 2970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2034 2687 Instituto Costarricense de Electricidad y Telec
8151 2010 6238 Uninet S.A. de C.V., MX
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1548 2:1110 3:12 4:21 5:3157 6:48
8:1365 9:1 12:1805 13:466 14:2189 15:54
16:9 17:275 18:79 20:56 23:3112 24:2599
25:4 27:2500 31:2763 32:104 35:37 36:928
37:3195 38:1799 39:310 40:128 41:3411 42:850
43:2102 44:187 45:12160 46:3281 47:270 49:1404
50:1132 51:344 52:1071 54:266 55:673 56:6
57:47 58:2049 59:1096 60:659 61:2206 62:2132
63:1899 64:4985 65:2292 66:4808 67:2722 68:1224
69:3596 70:1390 71:670 72:2748 74:2683 75:1421
76:658 77:2558 78:1953 79:2205 80:1821 81:1529
82:1206 83:970 84:1209 85:2430 86:579 87:1621
88:1053 89:2598 90:248 91:6729 92:1455 93:2451
94:2577 95:3676 96:963 97:340 98:958 99:962
100:82 101:1089 102:691 103:22653 104:3596 105:355
106:830 107:1817 108:682 109:3607 110:1763 111:1986
112:1576 113:1382 114:1441 115:1821 116:1817 117:1954
118:2159 119:1669 120:937 121:1035 122:2300 123:1898
124:1549 125:2006 128:1390 129:881 130:563 131:1832
132:767 133:251 134:1117 135:273 136:592 137:851
138:2165 139:974 140:656 141:847 142:791 143:1097
144:932 145:286 146:1451 147:971 148:1877 149:1047
150:841 151:1267 152:1446 153:367 154:4500 155:886
156:2904 157:1061 158:710 159:1954 160:1669 161:1034
162:3026 163:891 164:1310 165:1192 166:531 167:1443
168:3548 169:486 170:4171 171:706 172:1821 173:2303
174:1036 175:999 176:2689 177:4093 178:2768 179:1440
180:2167 181:2379 182:2822 183:1097 184:2280 185:15682
186:3775 187:2521 188:3432 189:2076 190:8281 191:1494
192:10126 193:6921 194:5631 195:4215 196:3275 197:1920
198:6078 199:5934 200:7156 201:5167 202:10427 203:10170
204:4581 205:3106 206:3244 207:3283 208:3977 209:4308
210:3975 211:1999 212:3293 213:2961 214:1157 215:54
216:5837 217:2288 218:904 219:610 220:1939 221:951
222:1020 223:1410
End of report
More information about the sanog
mailing list