[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 22 18:03:33 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 23 May, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 810143
Prefixes after maximum aggregation (per Origin AS): 308417
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 395509
Total ASes present in the Internet Routing Table: 68127
Prefixes per ASN: 11.89
Origin-only ASes present in the Internet Routing Table: 58540
Origin ASes announcing only one prefix: 24422
Transit ASes present in the Internet Routing Table: 9587
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: 42
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 1128
Number of instances of unregistered ASNs: 1130
Number of 32-bit ASNs allocated by the RIRs: 31752
Number of 32-bit ASNs visible in the Routing Table: 26206
Prefixes from 32-bit ASNs in the Routing Table: 120873
Number of bogon 32-bit ASNs visible in the Routing Table: 16
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 2842268416
Equivalent to 169 /8s, 105 /16s and 147 /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: 602505
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 212647
Total APNIC prefixes after maximum aggregation: 62483
APNIC Deaggregation factor: 3.40
Prefixes being announced from the APNIC address blocks: 0
Unique aggregates announced from the APNIC address blocks: 0
APNIC Region origin ASes present in the Internet Routing Table: 10556
APNIC Prefixes per ASN: 0.00
APNIC Region origin ASes announcing only one prefix: 2944
APNIC Region transit ASes present in the Internet Routing Table: 1571
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5635
Number of APNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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
ARIN Region Analysis Summary
----------------------------
Prefixes being announced by ARIN Region ASes: 236997
Total ARIN prefixes after maximum aggregation: 109239
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 0
Unique aggregates announced from the ARIN address blocks: 0
ARIN Region origin ASes present in the Internet Routing Table: 18514
ARIN Prefixes per ASN: 0.00
ARIN Region origin ASes announcing only one prefix: 6777
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: 42
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3249
Number of ARIN addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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
RIPE Region Analysis Summary
----------------------------
Prefixes being announced by RIPE Region ASes: 230256
Total RIPE prefixes after maximum aggregation: 106602
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 0
Unique aggregates announced from the RIPE address blocks: 0
RIPE Region origin ASes present in the Internet Routing Table: 27105
RIPE Prefixes per ASN: 0.00
RIPE Region origin ASes announcing only one prefix: 11738
RIPE Region transit ASes present in the Internet Routing Table: 3830
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 34
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9189
Number of RIPE addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /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
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 106438
Total LACNIC prefixes after maximum aggregation: 24674
LACNIC Deaggregation factor: 4.31
Prefixes being announced from the LACNIC address blocks: 0
Unique aggregates announced from the LACNIC address blocks: 0
LACNIC Region origin ASes present in the Internet Routing Table: 9865
LACNIC Prefixes per ASN: 0.00
LACNIC Region origin ASes announcing only one prefix: 2471
LACNIC Region transit ASes present in the Internet Routing Table: 1844
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7442
Number of LACNIC addresses announced to Internet: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-272796 + ERX transfers
LACNIC Address Blocks
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 22676
Total AfriNIC prefixes after maximum aggregation: 4690
AfriNIC Deaggregation factor: 4.83
Prefixes being announced from the AfriNIC address blocks: 0
Unique aggregates announced from the AfriNIC address blocks: 0
AfriNIC Region origin ASes present in the Internet Routing Table: 1402
AfriNIC Prefixes per ASN: 0.00
AfriNIC Region origin ASes announcing only one prefix: 492
AfriNIC Region transit ASes present in the Internet Routing Table: 273
Average AfriNIC Region AS path length visible: 5.0
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: 0
Equivalent to 0 /8s, 0 /16s and 0 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks
APNIC Region per AS prefix count summary
----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7545 5493 690 640 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4739 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3437 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3153 1806 101 VNPT-AS-VN VNPT Corp, VN
7713 2711 830 509 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2631 9043 61 CMNET-GD Guangdong Mobile Communication
9498 2271 434 224 BBIL-AP BHARTI Airtel Ltd., IN
4766 2267 11102 556 KIXS-AS-KR Korea Telecom, KR
4755 2137 441 193 TATACOMM-AS TATA Communications formerl
9394 2037 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 4421 297 656 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 3982 8101 1804 AMAZON-02, US
22773 3550 2969 152 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3367 1324 91 SHAW, CA
16625 3097 1624 2206 AKAMAI-AS, US
209 2399 5075 533 CENTURYLINK-US-LEGACY-QWEST, US
30036 2390 364 294 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2304 2981 1621 FRONTIER-FRTR, US
26484 2194 137 197 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 5758 1657 141 UNI2-AS, ES
31334 4841 484 13 KABELDEUTSCHLAND-AS, DE
39891 3651 203 20 ALJAWWALSTC-AS, SA
8551 3182 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3004 446 2046 AKAMAI-ASN1, EU
12389 2501 2251 725 ROSTELECOM-AS, RU
9009 2155 228 1187 M247, GB
34984 2129 353 563 TELLCOM-AS, TR
13188 1607 100 35 TRIOLAN, UA
25019 1183 987 110 SAUDINETSTC-AS, SA
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 6610 3316 603 Uninet S.A. de C.V., MX
10620 3361 530 501 Telmex Colombia S.A., CO
11830 2667 369 63 Instituto Costarricense de Electricidad
6503 1686 327 388 Axtel, S.A.B. de C.V., MX
7303 1518 987 254 Telecom Argentina S.A., AR
13999 1405 510 335 Mega Cable, S.A. de C.V., MX
28573 1373 2243 206 CLARO S.A., BR
6147 1151 379 39 Telefonica del Peru S.A.A., PE
3816 1101 570 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 954 111 67 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 1467 393 22 LINKdotNET-AS, EG
24835 1112 574 28 RAYA-AS, EG
36992 1089 1539 76 ETISALAT-MISR, EG
36903 900 472 91 MT-MPLS, MA
29571 606 68 11 ORANGE-COTE-IVOIRE, CI
6713 557 1863 34 IAM-AS, MA
37342 479 32 1 MOVITEL, MZ
36935 398 521 44 Vodafone-, EG
23889 365 231 15 MauritiusTelecom, MU
15399 351 45 11 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 6610 3316 603 Uninet S.A. de C.V., MX
12479 5758 1657 141 UNI2-AS, ES
7545 5493 690 640 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4841 484 13 KABELDEUTSCHLAND-AS, DE
4538 4739 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4421 297 656 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 3982 8101 1804 AMAZON-02, US
39891 3651 203 20 ALJAWWALSTC-AS, SA
22773 3550 2969 152 ASN-CXA-ALL-CCI-22773-RDC, US
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 5758 5617 UNI2-AS, ES
7545 5493 4853 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4841 4828 KABELDEUTSCHLAND-AS, DE
4538 4739 4666 ERX-CERNET-BKB China Education and Research Net
7155 4036 4009 VIASAT-SP-BACKBONE, US
11492 4421 3765 CABLEONE, US
39891 3651 3631 ALJAWWALSTC-AS, SA
7552 3437 3415 VIETEL-AS-AP Viettel Group, VN
22773 3550 3398 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3367 3276 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
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
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, 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
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 /11:99 /12:286
/13:578 /14:1170 /15:1917 /16:13370 /17:8238 /18:13923
/19:25809 /20:40748 /21:48251 /22:100491 /23:83034 /24:470887
/25:1284 /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 5597 5758 UNI2-AS, ES
8151 5211 6610 Uninet S.A. de C.V., MX
31334 4830 4841 KABELDEUTSCHLAND-AS, DE
11492 4140 4421 CABLEONE, US
7155 3903 4036 VIASAT-SP-BACKBONE, US
16509 3852 3982 AMAZON-02, US
39891 3651 3651 ALJAWWALSTC-AS, SA
7545 3473 5493 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3442 3550 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3327 3437 VIETEL-AS-AP Viettel Group, VN
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1566 2:1180 3:30 4:19 5:3392 6:52
8:1429 9:1 11:1 12:1777 13:509 14:2310
15:72 16:8 17:292 18:81 20:100 23:3612
24:2276 25:2 27:2511 31:3098 32:113 34:3
35:41 36:927 37:3252 38:2020 39:409 40:125
41:3608 42:655 43:2121 44:206 45:14301 46:3691
47:293 49:1455 50:1425 51:91 52:1062 54:252
55:673 56:6 57:52 58:1749 59:1165 60:741
61:2275 62:2195 63:1981 64:5131 65:2297 66:4960
67:2878 68:1188 69:3929 70:1416 71:680 72:2871
74:2609 75:1446 76:671 77:2867 78:1655 79:2372
80:1929 81:1628 82:1307 83:1174 84:1238 85:2516
86:539 87:1729 88:994 89:2764 90:310 91:7944
92:1514 93:2500 94:2693 95:3898 96:1217 97:331
98:939 99:977 100:87 101:983 102:971 103:23676
104:3430 105:396 106:874 107:1971 108:713 109:3685
110:1825 111:2026 112:1611 113:1355 114:1529 115:1812
116:1789 117:2133 118:2072 119:1721 120:812 121:1038
122:2434 123:1991 124:1557 125:2038 128:1350 129:1184
130:636 131:1854 132:756 133:302 134:1304 135:288
136:616 137:862 138:2183 139:998 140:672 141:994
142:925 143:1210 144:1004 145:306 146:1503 147:1035
148:2116 149:1188 150:863 151:1302 152:1495 153:385
154:4656 155:1055 156:3098 157:1106 158:838 159:1971
160:1903 161:1045 162:3078 163:817 164:1466 165:1284
166:553 167:1616 168:3547 169:536 170:4206 171:782
172:1932 173:2547 174:996 175:1028 176:2691 177:4225
178:3038 179:1484 180:2281 181:2569 182:3087 183:1127
184:2419 185:16435 186:3783 187:2686 188:4098 189:2299
190:8676 191:1382 192:10353 193:7511 194:6160 195:4391
196:3202 197:1927 198:6084 199:5937 200:7224 201:5243
202:10551 203:10253 204:4532 205:3089 206:3216 207:3281
208:4051 209:4405 210:3983 211:1977 212:3346 213:3083
214:1193 215:62 216:6005 217:2415 218:847 219:613
220:2036 221:924 222:996 223:1481
End of report
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