[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 10 Jan 18:03:53 UTC 2020
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 11 Jan, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 790303
Prefixes after maximum aggregation (per Origin AS): 301303
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 387237
Total ASes present in the Internet Routing Table: 66697
Prefixes per ASN: 11.85
Origin-only ASes present in the Internet Routing Table: 57317
Origin ASes announcing only one prefix: 24152
Transit ASes present in the Internet Routing Table: 9380
Transit-only ASes present in the Internet Routing Table: 287
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 41
Max AS path prepend of ASN ( 53176) 31
Prefixes from unregistered ASNs in the Routing Table: 1315
Number of instances of unregistered ASNs: 1315
Number of 32-bit ASNs allocated by the RIRs: 30092
Number of 32-bit ASNs visible in the Routing Table: 24770
Prefixes from 32-bit ASNs in the Routing Table: 113435
Number of bogon 32-bit ASNs visible in the Routing Table: 28
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 286
Number of addresses announced to Internet: 2847780736
Equivalent to 169 /8s, 189 /16s and 175 /24s
Percentage of available address space announced: 76.9
Percentage of allocated address space announced: 76.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 264109
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 210100
Total APNIC prefixes after maximum aggregation: 61199
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 204045
Unique aggregates announced from the APNIC address blocks: 84755
APNIC Region origin ASes present in the Internet Routing Table: 10283
APNIC Prefixes per ASN: 19.84
APNIC Region origin ASes announcing only one prefix: 2853
APNIC Region transit ASes present in the Internet Routing Table: 1539
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: 5331
Number of APNIC addresses announced to Internet: 767768576
Equivalent to 45 /8s, 195 /16s and 56 /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: 232149
Total ARIN prefixes after maximum aggregation: 107382
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 230024
Unique aggregates announced from the ARIN address blocks: 116424
ARIN Region origin ASes present in the Internet Routing Table: 18359
ARIN Prefixes per ASN: 12.53
ARIN Region origin ASes announcing only one prefix: 6753
ARIN Region transit ASes present in the Internet Routing Table: 1909
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 25
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3107
Number of ARIN addresses announced to Internet: 1073968896
Equivalent to 64 /8s, 3 /16s and 119 /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: 222893
Total RIPE prefixes after maximum aggregation: 103913
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 219372
Unique aggregates announced from the RIPE address blocks: 130001
RIPE Region origin ASes present in the Internet Routing Table: 26734
RIPE Prefixes per ASN: 8.21
RIPE Region origin ASes announcing only one prefix: 11691
RIPE Region transit ASes present in the Internet Routing Table: 3777
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: 8821
Number of RIPE addresses announced to Internet: 724122752
Equivalent to 43 /8s, 41 /16s and 60 /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: 102379
Total LACNIC prefixes after maximum aggregation: 23601
LACNIC Deaggregation factor: 4.34
Prefixes being announced from the LACNIC address blocks: 103553
Unique aggregates announced from the LACNIC address blocks: 45225
LACNIC Region origin ASes present in the Internet Routing Table: 9289
LACNIC Prefixes per ASN: 11.15
LACNIC Region origin ASes announcing only one prefix: 2372
LACNIC Region transit ASes present in the Internet Routing Table: 1749
Average LACNIC Region AS path length visible: 5.2
Max LACNIC Region AS path length visible: 41
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 6862
Number of LACNIC addresses announced to Internet: 173890048
Equivalent to 10 /8s, 93 /16s and 90 /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: 21466
Total AfriNIC prefixes after maximum aggregation: 4419
AfriNIC Deaggregation factor: 4.86
Prefixes being announced from the AfriNIC address blocks: 33023
Unique aggregates announced from the AfriNIC address blocks: 10601
AfriNIC Region origin ASes present in the Internet Routing Table: 1356
AfriNIC Prefixes per ASN: 24.35
AfriNIC Region origin ASes announcing only one prefix: 483
AfriNIC Region transit ASes present in the Internet Routing Table: 270
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 21
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 649
Number of AfriNIC addresses announced to Internet: 107736832
Equivalent to 6 /8s, 107 /16s and 239 /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 5199 642 596 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4619 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3304 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3118 1785 107 VNPT-AS-VN VNPT Corp, VN
7713 2698 814 495 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2620 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2264 11102 566 KIXS-AS-KR Korea Telecom, KR
9498 2218 433 212 BBIL-AP BHARTI Airtel Ltd., IN
9829 2175 1381 260 BSNL-NIB National Internet Backbone, IN
4755 2139 441 191 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 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3857 254 640 CABLEONE - CABLE ONE, INC., US
16509 3799 7703 1685 AMAZON-02 - Amazon.com, Inc., US
22773 3513 2971 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
6327 3365 1324 93 SHAW - Shaw Communications Inc., CA
16625 2940 1541 2112 AKAMAI-AS - Akamai Technologies, Inc.,
30036 2282 358 92 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom
5650 2171 3073 1454 FRONTIER-FRTR - Frontier Communications
209 2169 5075 539 CENTURYLINK-US-LEGACY-QWEST - CenturyLi
20115 2134 2773 518 CHARTER-20115 - Charter Communications,
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 5824 1631 135 UNI2-AS, ES
39891 4034 219 19 ALJAWWALSTC-AS, SA
31334 3374 484 13 KABELDEUTSCHLAND-AS, DE
8551 3119 379 46 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2820 469 1954 AKAMAI-ASN1, US
12389 2422 2239 702 ROSTELECOM-AS, RU
34984 2057 349 557 TELLCOM-AS, TR
9009 2056 223 1108 M247, GB
9121 1957 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 6182 3303 608 Uninet S.A. de C.V., MX
10620 3365 534 463 Telmex Colombia S.A., CO
11830 2680 369 63 Instituto Costarricense de Electricidad
6503 1681 323 388 Axtel, S.A.B. de C.V., MX
7303 1478 1026 265 Telecom Argentina S.A., AR
28573 1265 2233 208 CLARO S.A., BR
13999 1153 497 269 Mega Cable, S.A. de C.V., MX
3816 1119 561 133 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1096 379 39 Telefonica del Peru S.A.A., PE
11172 944 111 65 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 1239 393 23 LINKdotNET-AS, EG
24835 1097 566 24 RAYA-AS, EG
36992 1033 1535 73 ETISALAT-MISR, EG
36903 876 452 97 MT-MPLS, MA
6713 622 1863 34 IAM-AS, MA
29571 559 68 11 ORANGE-COTE-IVOIRE, CI
37342 483 32 1 MOVITEL, MZ
36935 372 522 40 Vodafone-, EG
23889 354 231 15 MauritiusTelecom, MU
15399 349 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 6182 3303 608 Uninet S.A. de C.V., MX
12479 5824 1631 135 UNI2-AS, ES
7545 5199 642 596 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4619 4192 73 ERX-CERNET-BKB China Education and Rese
7155 4047 280 27 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 219 19 ALJAWWALSTC-AS, SA
11492 3857 254 640 CABLEONE - CABLE ONE, INC., US
16509 3799 7703 1685 AMAZON-02 - Amazon.com, Inc., US
22773 3513 2971 152 ASN-CXA-ALL-CCI-22773-RDC - Cox Communi
31334 3374 484 13 KABELDEUTSCHLAND-AS, DE
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
12479 5824 5689 UNI2-AS, ES
7545 5199 4603 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4619 4546 ERX-CERNET-BKB China Education and Research Net
7155 4047 4020 VIASAT-SP-BACKBONE - ViaSat,Inc., US
39891 4034 4015 ALJAWWALSTC-AS, SA
22773 3513 3361 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
31334 3374 3361 KABELDEUTSCHLAND-AS, DE
7552 3304 3280 VIETEL-AS-AP Viettel Group, VN
6327 3365 3272 SHAW - Shaw Communications Inc., CA
11492 3857 3217 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 Net Originated Transit AS Transit AS Name
17076 UNALLOCATED 8.12.244.0/24 3356 LEVEL3 - Level 3 Parent, LLC
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3 - Level 3 Parent, LLC
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174 - Cogent Communic
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3 - Level 3 Parent, LLC
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3 - Level 3 Parent, LLC
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174 - Cogent Communic
23071 UNALLOCATED 8.33.235.0/24 3356 LEVEL3 - Level 3 Parent, LLC
27205 UNALLOCATED 8.38.16.0/21 6461 ZAYO-6461 - Zayo Bandwidth,
27205 UNALLOCATED 8.38.16.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
27205 UNALLOCATED 8.38.20.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
Complete listing at http://thyme.rand.apnic.net/current/data-badAS
Prefixes from private and non-routed address space (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE - Hurricane Electric LLC, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.136.224.0/24 Origin: 15206 UNASSIGNED
Transit: 174 COGENT-174 - Cogent Communications, US
23.137.192.0/24 Origin: 31798 CANAD-86-31798 - DataCity, CA
Transit: 6939 HURRICANE - Hurricane Electric LLC, US
27.100.7.0/24 Origin: 56096 UNASSIGNED
Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
27.126.156.0/22 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad, MY
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 /10:37 /11:98 /12:287
/13:580 /14:1159 /15:1923 /16:13376 /17:8108 /18:13890
/19:25752 /20:40389 /21:47431 /22:98090 /23:80591 /24:457240
/25:1331 /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 4786 5824 UNI2-AS, ES
31334 3219 3374 KABELDEUTSCHLAND-AS, DE
6327 3153 3365 SHAW - Shaw Communications Inc., CA
7155 3139 4047 VIASAT-SP-BACKBONE - ViaSat,Inc., US
11492 3010 3857 CABLEONE - CABLE ONE, INC., US
39891 2946 4034 ALJAWWALSTC-AS, SA
22773 2733 3513 ASN-CXA-ALL-CCI-22773-RDC - Cox Communications
8551 2578 3119 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2031 2282 MEDIACOM-ENTERPRISE-BUSINESS - Mediacom Communi
11830 2028 2680 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1530 2:1155 3:12 4:19 5:3227 6:46
8:1366 9:1 12:1793 13:495 14:2204 15:58
16:9 17:281 18:79 20:58 23:3203 24:2614
25:4 27:2516 31:2841 32:101 35:46 36:940
37:3190 38:1820 39:314 40:132 41:3297 42:882
43:2129 44:185 45:12761 46:3261 47:263 49:1429
50:1142 51:344 52:1114 54:275 55:669 56:6
57:47 58:1890 59:1115 60:678 61:2218 62:2126
63:1927 64:5030 65:2337 66:4821 67:2832 68:1229
69:3817 70:1404 71:665 72:2771 74:2720 75:1434
76:664 77:2548 78:1972 79:2384 80:1834 81:1552
82:1189 83:1005 84:1241 85:2564 86:589 87:1670
88:1067 89:2680 90:268 91:7460 92:1453 93:2440
94:2597 95:3703 96:1004 97:338 98:961 99:965
100:84 101:1078 102:782 103:22899 104:3638 105:375
106:830 107:1859 108:693 109:3624 110:1773 111:1936
112:1536 113:1375 114:1475 115:1838 116:1802 117:2013
118:2109 119:1677 120:890 121:1034 122:2368 123:1886
124:1552 125:2017 128:1393 129:917 130:600 131:1852
132:773 133:301 134:1258 135:277 136:587 137:880
138:2185 139:986 140:592 141:878 142:846 143:1143
144:942 145:293 146:1469 147:1003 148:1896 149:1036
150:811 151:1249 152:1460 153:371 154:4672 155:907
156:3102 157:1086 158:704 159:1945 160:1712 161:1002
162:3032 163:770 164:1461 165:1223 166:536 167:1453
168:3577 169:495 170:4213 171:739 172:1873 173:2359
174:1036 175:1007 176:2632 177:4114 178:2863 179:1422
180:2178 181:2384 182:2829 183:1120 184:2402 185:15865
186:3783 187:2563 188:3483 189:2067 190:8213 191:1499
192:10205 193:7296 194:5917 195:4245 196:3355 197:1847
198:6089 199:5939 200:7167 201:5114 202:10436 203:10206
204:4558 205:3087 206:3258 207:3248 208:4010 209:4343
210:3994 211:1990 212:3234 213:2976 214:1168 215:53
216:5927 217:2305 218:895 219:604 220:1975 221:934
222:1012 223:1371
End of report
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