[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 12 Juin 18:03:03 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 13 Jun, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 815015
Prefixes after maximum aggregation (per Origin AS): 309321
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 397070
Total ASes present in the Internet Routing Table: 68301
Prefixes per ASN: 11.93
Origin-only ASes present in the Internet Routing Table: 58705
Origin ASes announcing only one prefix: 24458
Transit ASes present in the Internet Routing Table: 9596
Transit-only ASes present in the Internet Routing Table: 311
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 46
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 830
Number of instances of unregistered ASNs: 832
Number of 32-bit ASNs allocated by the RIRs: 32024
Number of 32-bit ASNs visible in the Routing Table: 26402
Prefixes from 32-bit ASNs in the Routing Table: 121590
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 544
Number of addresses announced to Internet: 2843328512
Equivalent to 169 /8s, 121 /16s and 192 /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: 99.5
Total number of prefixes smaller than registry allocations: 274923
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 214406
Total APNIC prefixes after maximum aggregation: 62465
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 208016
Unique aggregates announced from the APNIC address blocks: 86032
APNIC Region origin ASes present in the Internet Routing Table: 10615
APNIC Prefixes per ASN: 19.60
APNIC Region origin ASes announcing only one prefix: 2963
APNIC Region transit ASes present in the Internet Routing Table: 1582
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5695
Number of APNIC addresses announced to Internet: 769451904
Equivalent to 45 /8s, 220 /16s and 231 /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: 238331
Total ARIN prefixes after maximum aggregation: 109319
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 235619
Unique aggregates announced from the ARIN address blocks: 119621
ARIN Region origin ASes present in the Internet Routing Table: 18513
ARIN Prefixes per ASN: 12.73
ARIN Region origin ASes announcing only one prefix: 6771
ARIN Region transit ASes present in the Internet Routing Table: 1890
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3274
Number of ARIN addresses announced to Internet: 1080400384
Equivalent to 64 /8s, 101 /16s and 154 /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: 231855
Total RIPE prefixes after maximum aggregation: 107286
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 228420
Unique aggregates announced from the RIPE address blocks: 134280
RIPE Region origin ASes present in the Internet Routing Table: 27153
RIPE Prefixes per ASN: 8.41
RIPE Region origin ASes announcing only one prefix: 11756
RIPE Region transit ASes present in the Internet Routing Table: 3855
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 29
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9226
Number of RIPE addresses announced to Internet: 709126272
Equivalent to 42 /8s, 68 /16s and 104 /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
196608-213403
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: 106682
Total LACNIC prefixes after maximum aggregation: 24887
LACNIC Deaggregation factor: 4.29
Prefixes being announced from the LACNIC address blocks: 107802
Unique aggregates announced from the LACNIC address blocks: 46512
LACNIC Region origin ASes present in the Internet Routing Table: 9937
LACNIC Prefixes per ASN: 10.85
LACNIC Region origin ASes announcing only one prefix: 2479
LACNIC Region transit ASes present in the Internet Routing Table: 1854
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 46
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7516
Number of LACNIC addresses announced to Internet: 174407424
Equivalent to 10 /8s, 101 /16s and 63 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + 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: 22910
Total AfriNIC prefixes after maximum aggregation: 4698
AfriNIC Deaggregation factor: 4.88
Prefixes being announced from the AfriNIC address blocks: 34614
Unique aggregates announced from the AfriNIC address blocks: 10175
AfriNIC Region origin ASes present in the Internet Routing Table: 1399
AfriNIC Prefixes per ASN: 24.74
AfriNIC Region origin ASes announcing only one prefix: 489
AfriNIC Region transit ASes present in the Internet Routing Table: 274
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 691
Number of AfriNIC addresses announced to Internet: 109431808
Equivalent to 6 /8s, 133 /16s and 204 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & 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 5516 711 647 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3447 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3151 1806 101 VNPT-AS-VN VNPT Corp, VN
7713 2712 829 511 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2579 9043 61 CMNET-GD Guangdong Mobile Communication
4766 2280 11101 554 KIXS-AS-KR Korea Telecom, KR
9498 2266 433 219 BBIL-AP BHARTI Airtel Ltd., IN
4755 2133 441 193 TATACOMM-AS TATA Communications formerl
9394 2040 4914 20 CTTNET China TieTong Telecommunications
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
11492 4452 299 617 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 3950 8143 1793 AMAZON-02, US
22773 3561 2968 151 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3358 1324 90 SHAW, CA
16625 3097 1617 2211 AKAMAI-AS, US
209 2434 5076 535 CENTURYLINK-US-LEGACY-QWEST, US
30036 2412 366 189 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2304 2981 1621 FRONTIER-FRTR, US
26484 2184 137 202 IKGUL-26484, 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 5803 1658 138 UNI2-AS, ES
31334 4923 484 13 KABELDEUTSCHLAND-AS, DE
39891 3458 195 19 ALJAWWALSTC-AS, SA
8551 3181 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3055 450 2070 AKAMAI-ASN1, EU
12389 2546 2254 756 ROSTELECOM-AS, RU
9009 2223 235 1215 M247, GB
34984 2132 353 564 TELLCOM-AS, TR
13188 1609 100 35 TRIOLAN, UA
61317 1305 142 566 ASDETUK http://www.heficed.com, GB
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 6683 3322 598 Uninet S.A. de C.V., MX
10620 3351 529 507 Telmex Colombia S.A., CO
11830 2665 369 63 Instituto Costarricense de Electricidad
6503 1697 327 388 Axtel, S.A.B. de C.V., MX
7303 1517 988 251 Telecom Argentina S.A., AR
13999 1431 514 334 Mega Cable, S.A. de C.V., MX
28573 1371 2243 206 CLARO S.A., BR
3816 1107 570 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1107 379 39 Telefonica del Peru S.A.A., PE
11172 952 111 73 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 1488 393 22 LINKdotNET-AS, EG
24835 1120 470 24 RAYA-AS, EG
36992 1086 1539 76 ETISALAT-MISR, EG
36903 900 472 91 MT-MPLS, MA
29571 604 68 11 ORANGE-COTE-IVOIRE, CI
6713 550 1863 34 IAM-AS, MA
37342 481 32 1 MOVITEL, MZ
36935 417 522 44 Vodafone-, EG
23889 366 231 15 MauritiusTelecom, MU
15399 357 45 12 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 6683 3322 598 Uninet S.A. de C.V., MX
12479 5803 1658 138 UNI2-AS, ES
7545 5516 711 647 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4923 484 13 KABELDEUTSCHLAND-AS, DE
4538 4743 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4452 299 617 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 3950 8143 1793 AMAZON-02, US
22773 3561 2968 151 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3458 195 19 ALJAWWALSTC-AS, SA
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 5803 5665 UNI2-AS, ES
31334 4923 4910 KABELDEUTSCHLAND-AS, DE
7545 5516 4869 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4670 ERX-CERNET-BKB China Education and Research Net
7155 4036 4009 VIASAT-SP-BACKBONE, US
11492 4452 3835 CABLEONE, US
39891 3458 3439 ALJAWWALSTC-AS, SA
7552 3447 3425 VIETEL-AS-AP Viettel Group, VN
22773 3561 3410 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3358 3268 SHAW, CA
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
22357 UNALLOCATED 8.7.108.0/24 3356 LEVEL3, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
62485 UNALLOCATED 8.23.229.0/24 3356 LEVEL3, US
32985 UNALLOCATED 8.28.31.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
26584 UNALLOCATED 8.42.62.0/23 209 CENTURYLINK-US-LEGACY-QWEST,
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
46766 UNALLOCATED 8.44.208.0/24 3356 LEVEL3, US
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, US
Complete listing at http://thyme.rand.apnic.net/current/data-dsua
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.148.160.0/24 Origin: 29802 HVC-AS, US
Transit: 6939 HURRICANE, 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
27.126.158.0/23 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 /8:9 /9:11 /10:38 /11:100 /12:287
/13:579 /14:1172 /15:1914 /16:13349 /17:8237 /18:13949
/19:25851 /20:41190 /21:48401 /22:100881 /23:83476 /24:474286
/25:1285 /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 4817 5803 UNI2-AS, ES
31334 4769 4923 KABELDEUTSCHLAND-AS, DE
11492 3532 4452 CABLEONE, US
6327 3148 3358 SHAW, CA
7155 3128 4036 VIASAT-SP-BACKBONE, US
22773 2773 3561 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2639 3181 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 2609 3458 ALJAWWALSTC-AS, SA
8151 2373 6683 Uninet S.A. de C.V., MX
30036 2154 2412 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1760 2:1195 3:30 4:19 5:3565 6:52
8:1421 9:1 11:1 12:1778 13:515 14:2310
15:72 16:8 17:293 18:81 20:106 23:3690
24:2309 25:3 27:2524 31:3075 32:127 34:3
35:42 36:951 37:3376 38:2020 39:422 40:129
41:3589 42:901 43:2135 44:206 45:14452 46:3685
47:289 49:1455 50:1469 51:93 52:1053 54:231
55:644 56:6 57:51 58:1848 59:1169 60:743
61:2299 62:2086 63:1989 64:5196 65:2328 66:5034
67:2922 68:1185 69:3963 70:1408 71:680 72:2879
74:2580 75:1447 76:672 77:2926 78:1645 79:2368
80:1953 81:1638 82:1315 83:1307 84:1234 85:2616
86:541 87:1737 88:1129 89:2753 90:390 91:7932
92:1515 93:2518 94:2726 95:3904 96:1235 97:333
98:923 99:978 100:86 101:1008 102:967 103:23839
104:3446 105:397 106:880 107:1999 108:711 109:3671
110:1836 111:2056 112:1605 113:1357 114:1524 115:1839
116:1802 117:2104 118:2135 119:1704 120:921 121:1044
122:2438 123:2051 124:1565 125:2020 128:1362 129:1190
130:649 131:1865 132:754 133:302 134:1325 135:286
136:608 137:851 138:2171 139:998 140:679 141:992
142:925 143:1225 144:1013 145:307 146:1499 147:1016
148:2109 149:1190 150:871 151:1335 152:1497 153:395
154:4672 155:1059 156:3109 157:1122 158:845 159:1974
160:1897 161:1055 162:3090 163:820 164:1475 165:1292
166:558 167:1637 168:3547 169:524 170:4227 171:773
172:1941 173:2572 174:985 175:1047 176:2577 177:4206
178:3040 179:1478 180:2286 181:2462 182:3086 183:1288
184:2424 185:16487 186:3743 187:2816 188:4100 189:2339
190:8731 191:1319 192:10361 193:7543 194:6229 195:4390
196:3254 197:1997 198:6102 199:5907 200:7238 201:5243
202:10505 203:10291 204:4578 205:3107 206:3219 207:3274
208:4063 209:4454 210:4002 211:2030 212:3376 213:3234
214:1194 215:62 216:6095 217:2429 218:856 219:614
220:2014 221:931 222:998 223:1493
End of report
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