[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 29 Nov 18:03:29 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 30 Nov, 2019
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 784723
Prefixes after maximum aggregation (per Origin AS): 299243
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 378795
Total ASes present in the Internet Routing Table: 66322
Prefixes per ASN: 11.83
Origin-only ASes present in the Internet Routing Table: 57021
Origin ASes announcing only one prefix: 24299
Transit ASes present in the Internet Routing Table: 9301
Transit-only ASes present in the Internet Routing Table: 281
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 36
Max AS path prepend of ASN ( 44555) 27
Prefixes from unregistered ASNs in the Routing Table: 40
Number of instances of unregistered ASNs: 40
Number of 32-bit ASNs allocated by the RIRs: 29742
Number of 32-bit ASNs visible in the Routing Table: 24346
Prefixes from 32-bit ASNs in the Routing Table: 111149
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 307
Number of addresses announced to Internet: 2843090560
Equivalent to 169 /8s, 118 /16s and 30 /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: 261726
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 209564
Total APNIC prefixes after maximum aggregation: 61127
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 203680
Unique aggregates announced from the APNIC address blocks: 84978
APNIC Region origin ASes present in the Internet Routing Table: 10188
APNIC Prefixes per ASN: 19.99
APNIC Region origin ASes announcing only one prefix: 2823
APNIC Region transit ASes present in the Internet Routing Table: 1513
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: 5219
Number of APNIC addresses announced to Internet: 771586176
Equivalent to 45 /8s, 253 /16s and 120 /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: 230767
Total ARIN prefixes after maximum aggregation: 107041
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 228081
Unique aggregates announced from the ARIN address blocks: 109168
ARIN Region origin ASes present in the Internet Routing Table: 18644
ARIN Prefixes per ASN: 12.23
ARIN Region origin ASes announcing only one prefix: 6917
ARIN Region transit ASes present in the Internet Routing Table: 1918
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: 3029
Number of ARIN addresses announced to Internet: 1068918272
Equivalent to 63 /8s, 182 /16s and 102 /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: 220891
Total RIPE prefixes after maximum aggregation: 103239
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 217763
Unique aggregates announced from the RIPE address blocks: 129001
RIPE Region origin ASes present in the Internet Routing Table: 26687
RIPE Prefixes per ASN: 8.16
RIPE Region origin ASes announcing only one prefix: 11708
RIPE Region transit ASes present in the Internet Routing Table: 3748
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 8751
Number of RIPE addresses announced to Internet: 723147264
Equivalent to 43 /8s, 26 /16s and 90 /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: 101592
Total LACNIC prefixes after maximum aggregation: 23384
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 102727
Unique aggregates announced from the LACNIC address blocks: 45072
LACNIC Region origin ASes present in the Internet Routing Table: 9151
LACNIC Prefixes per ASN: 11.23
LACNIC Region origin ASes announcing only one prefix: 2367
LACNIC Region transit ASes present in the Internet Routing Table: 1733
Average LACNIC Region AS path length visible: 5.3
Max LACNIC Region AS path length visible: 36
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6712
Number of LACNIC addresses announced to Internet: 173886208
Equivalent to 10 /8s, 93 /16s and 75 /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: 21868
Total AfriNIC prefixes after maximum aggregation: 4426
AfriNIC Deaggregation factor: 4.94
Prefixes being announced from the AfriNIC address blocks: 32165
Unique aggregates announced from the AfriNIC address blocks: 10318
AfriNIC Region origin ASes present in the Internet Routing Table: 1353
AfriNIC Prefixes per ASN: 23.77
AfriNIC Region origin ASes announcing only one prefix: 484
AfriNIC Region transit ASes present in the Internet Routing Table: 267
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: 635
Number of AfriNIC addresses announced to Internet: 105235968
Equivalent to 6 /8s, 69 /16s and 198 /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 5117 635 595 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4662 4190 72 ERX-CERNET-BKB China Education and Rese
7552 3260 1331 27 VIETEL-AS-AP Viettel Group, VN
45899 3076 1776 116 VNPT-AS-VN VNPT Corp, VN
7713 2700 798 485 TELKOMNET-AS-AP PT Telekomunikasi Indon
9829 2663 1495 530 BSNL-NIB National Internet Backbone, IN
9808 2624 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2392 11112 670 KIXS-AS-KR Korea Telecom, KR
9498 2210 433 212 BBIL-AP BHARTI Airtel Ltd., IN
4755 2150 442 195 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 3833 252 653 CABLEONE - CABLE ONE, INC., US
16509 3761 7443 1678 AMAZON-02 - Amazon.com, Inc., US
22773 3503 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3366 1324 93 SHAW - Shaw Communications Inc., CA
16625 2952 1549 2111 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2264 356 102 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
209 2155 5071 528 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
20115 2133 2769 517 CHARTER-20115 - Charter Communications,
18566 2065 405 103 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 5743 1635 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
31334 3296 484 13 KABELDEUTSCHLAND-AS, DE
8551 2959 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2795 466 1950 AKAMAI-ASN1, US
12389 2462 2235 708 ROSTELECOM-AS, RU
34984 2159 350 541 TELLCOM-AS, TR
9009 1961 210 1077 M247, GB
9121 1943 1691 18 TTNET, TR
13188 1605 100 46 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 6127 3292 609 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 1685 323 390 Axtel, S.A.B. de C.V., MX
7303 1480 1026 267 Telecom Argentina S.A., AR
28573 1201 2232 198 CLARO S.A., BR
13999 1135 494 256 Mega Cable, S.A. de C.V., MX
3816 1112 557 131 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1102 380 36 Telefonica del Peru S.A.A., PE
11172 932 110 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 1222 393 23 LINKdotNET-AS, EG
36992 1031 1535 73 ETISALAT-MISR, EG
24835 976 594 25 RAYA-AS, EG
36903 868 438 95 MT-MPLS, MA
8452 689 1857 19 TE-AS TE-AS, EG
6713 627 1863 34 IAM-AS, MA
29571 560 68 11 ORANGE-COTE-IVOIRE, CI
37342 480 32 1 MOVITEL, MZ
23889 366 231 15 MauritiusTelecom, MU
15399 351 45 10 WANANCHI-, KE
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 6127 3292 609 Uninet S.A. de C.V., MX
12479 5743 1635 135 UNI2-AS, ES
7545 5117 635 595 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4662 4190 72 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 3833 252 653 CABLEONE - CABLE ONE, INC., US
16509 3761 7443 1678 AMAZON-02 - Amazon.com, Inc., US
22773 3503 2970 156 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3366 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 5743 5608 UNI2-AS, ES
4538 4662 4590 ERX-CERNET-BKB China Education and Research Net
7545 5117 4522 TPG-INTERNET-AP TPG Telecom Limited, AU
7155 4055 4028 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
22773 3503 3347 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 3296 3283 KABELDEUTSCHLAND-AS, DE
6327 3366 3273 SHAW - Shaw Communications Inc., CA
7552 3260 3233 VIETEL-AS-AP Viettel Group, VN
11492 3833 3180 CABLEONE - CABLE ONE, INC., US
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
267874 UNALLOCATED 45.175.152.0/22 52361 ARSAT - Empresa Argentina de S
267874 UNALLOCATED 45.175.152.0/24 52361 ARSAT - Empresa Argentina de S
267874 UNALLOCATED 45.175.153.0/24 52361 ARSAT - Empresa Argentina de S
267874 UNALLOCATED 45.175.154.0/24 52361 ARSAT - Empresa Argentina de S
267874 UNALLOCATED 45.175.155.0/24 52361 ARSAT - Empresa Argentina de S
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
65595 UNALLOCATED 46.234.9.0/24 15924 BORUSANTELEKOM-AS, TR
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 /14:1160 /15:1921 /16:13339 /17:8088 /18:13822
/19:25647 /20:40278 /21:47447 /22:97986 /23:79796 /24:453368
/25:844 /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 4694 5743 UNI2-AS, ES
6327 3153 3366 SHAW - Shaw Communications Inc., CA
7155 3147 4055 VIASAT-SP-BACKBONE - ViaSat,Inc., US
31334 3147 3296 KABELDEUTSCHLAND-AS, DE
11492 2986 3833 CABLEONE - CABLE ONE, INC., US
39891 2946 4034 ALJAWWALSTC-AS, SA
22773 2723 3503 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2418 2959 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11830 2034 2687 Instituto Costarricense de Electricidad y Telec
30036 2014 2264 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1540 2:1138 3:12 4:19 5:3156 6:48
8:1372 9:1 12:1794 13:474 14:2177 15:54
16:9 17:278 18:79 20:56 23:3129 24:2606
25:4 27:2498 31:2791 32:104 35:37 36:928
37:3209 38:1794 39:311 40:133 41:3316 42:848
43:2120 44:188 45:12331 46:3268 47:270 49:1419
50:1134 51:343 52:1112 54:271 55:729 56:6
57:47 58:1898 59:1110 60:660 61:2210 62:2117
63:1915 64:4987 65:2298 66:4805 67:2785 68:1224
69:3592 70:1389 71:671 72:2751 74:2676 75:1421
76:661 77:2529 78:1967 79:2198 80:1816 81:1528
82:1189 83:981 84:1210 85:2523 86:581 87:1624
88:1059 89:2599 90:255 91:7397 92:1449 93:2447
94:2584 95:3688 96:931 97:339 98:957 99:966
100:85 101:1088 102:703 103:22759 104:3603 105:366
106:835 107:1839 108:687 109:3612 110:1787 111:1942
112:1567 113:1384 114:1453 115:1812 116:1799 117:2005
118:2103 119:1675 120:889 121:1037 122:2314 123:1878
124:1530 125:2008 128:1389 129:885 130:570 131:1824
132:774 133:252 134:1247 135:272 136:592 137:849
138:2165 139:981 140:653 141:852 142:813 143:1094
144:940 145:290 146:1446 147:976 148:1881 149:1040
150:836 151:1281 152:1459 153:369 154:4401 155:876
156:2928 157:1065 158:718 159:1939 160:1664 161:1034
162:3020 163:862 164:1296 165:1194 166:536 167:1459
168:3569 169:488 170:4199 171:701 172:1832 173:2312
174:1033 175:999 176:2658 177:4209 178:2812 179:1448
180:2172 181:2385 182:2822 183:1094 184:2281 185:15779
186:3807 187:2527 188:3459 189:2051 190:8345 191:1503
192:10154 193:7147 194:5741 195:4224 196:3279 197:1940
198:6074 199:5943 200:7156 201:5170 202:10413 203:10219
204:4567 205:3079 206:3254 207:3249 208:3986 209:4321
210:3979 211:2003 212:3301 213:2981 214:1113 215:55
216:5836 217:2296 218:899 219:610 220:1955 221:944
222:1019 223:1354
End of report
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