[menog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 20 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 21 Mar, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 801506
Prefixes after maximum aggregation (per Origin AS): 304658
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 391942
Total ASes present in the Internet Routing Table: 67449
Prefixes per ASN: 11.88
Origin-only ASes present in the Internet Routing Table: 57908
Origin ASes announcing only one prefix: 24286
Transit ASes present in the Internet Routing Table: 9541
Transit-only ASes present in the Internet Routing Table: 293
Average AS path length visible in the Internet Routing Table: 4.5
Max AS path length visible: 35
Max AS path prepend of ASN ( 27978) 31
Prefixes from unregistered ASNs in the Routing Table: 1206
Number of instances of unregistered ASNs: 1206
Number of 32-bit ASNs allocated by the RIRs: 31026
Number of 32-bit ASNs visible in the Routing Table: 25558
Prefixes from 32-bit ASNs in the Routing Table: 117712
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 2853027456
Equivalent to 170 /8s, 13 /16s and 190 /24s
Percentage of available address space announced: 77.1
Percentage of allocated address space announced: 77.1
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: 594992
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 211614
Total APNIC prefixes after maximum aggregation: 61666
APNIC Deaggregation factor: 3.43
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: 10441
APNIC Prefixes per ASN: 0.00
APNIC Region origin ASes announcing only one prefix: 2890
APNIC Region transit ASes present in the Internet Routing Table: 1554
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: 5510
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: 234766
Total ARIN prefixes after maximum aggregation: 107906
ARIN Deaggregation factor: 2.18
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: 18404
ARIN Prefixes per ASN: 0.00
ARIN Region origin ASes announcing only one prefix: 6731
ARIN Region transit ASes present in the Internet Routing Table: 1908
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 22
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3190
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: 227340
Total RIPE prefixes after maximum aggregation: 105346
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: 26949
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: 3835
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: 9020
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
196608-210331
RIPE Address Blocks
LACNIC Region Analysis Summary
------------------------------
Prefixes being announced by LACNIC Region ASes: 104557
Total LACNIC prefixes after maximum aggregation: 24326
LACNIC Deaggregation factor: 4.30
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: 9601
LACNIC Prefixes per ASN: 0.00
LACNIC Region origin ASes announcing only one prefix: 2441
LACNIC Region transit ASes present in the Internet Routing Table: 1817
Average LACNIC Region AS path length visible: 5.4
Max LACNIC Region AS path length visible: 35
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7171
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, 262144-270748 + ERX transfers
LACNIC Address Blocks
AfriNIC Region Analysis Summary
-------------------------------
Prefixes being announced by AfriNIC Region ASes: 22022
Total AfriNIC prefixes after maximum aggregation: 4666
AfriNIC Deaggregation factor: 4.72
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: 1381
AfriNIC Prefixes per ASN: 0.00
AfriNIC Region origin ASes announcing only one prefix: 486
AfriNIC Region transit ASes present in the Internet Routing Table: 269
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 667
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 5364 672 634 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4624 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3367 1331 24 VIETEL-AS-AP Viettel Group, VN
45899 3139 1798 106 VNPT-AS-VN VNPT Corp, VN
7713 2706 831 505 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2549 9043 62 CMNET-GD Guangdong Mobile Communication
4766 2294 11102 562 KIXS-AS-KR Korea Telecom, KR
9498 2255 434 221 BBIL-AP BHARTI Airtel Ltd., IN
4755 2138 441 193 TATACOMM-AS TATA Communications formerl
9394 2039 4898 24 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 4056 270 646 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3929 7822 1736 AMAZON-02, US
22773 3534 2969 152 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3373 1324 92 SHAW, CA
16625 2988 1566 2136 AKAMAI-AS, US
209 2393 5076 534 CENTURYLINK-US-LEGACY-QWEST, US
30036 2320 359 120 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2291 2941 1631 FRONTIER-FRTR, US
26484 2181 136 177 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 5920 1599 131 UNI2-AS, ES
31334 4099 484 13 KABELDEUTSCHLAND-AS, DE
39891 3776 203 20 ALJAWWALSTC-AS, SA
8551 3106 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2923 461 2005 AKAMAI-ASN1, US
12389 2498 2250 727 ROSTELECOM-AS, RU
9009 2081 219 1129 M247, GB
34984 2072 349 561 TELLCOM-AS, TR
9121 1922 1691 18 TTNET, TR
13188 1605 100 43 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 6329 3307 599 Uninet S.A. de C.V., MX
10620 3362 532 475 Telmex Colombia S.A., CO
11830 2671 369 63 Instituto Costarricense de Electricidad
6503 1674 327 389 Axtel, S.A.B. de C.V., MX
7303 1555 1028 261 Telecom Argentina S.A., AR
28573 1364 2240 198 CLARO S.A., BR
13999 1244 477 305 Mega Cable, S.A. de C.V., MX
6147 1126 378 52 Telefonica del Peru S.A.A., PE
3816 1094 567 142 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 955 112 69 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 1510 393 22 LINKdotNET-AS, EG
24835 1102 570 24 RAYA-AS, EG
36992 1082 1537 74 ETISALAT-MISR, EG
36903 880 455 88 MT-MPLS, MA
6713 591 1863 34 IAM-AS, MA
29571 590 68 11 ORANGE-COTE-IVOIRE, CI
37342 482 32 1 MOVITEL, MZ
36935 385 522 40 Vodafone-, EG
23889 379 231 15 MauritiusTelecom, MU
15399 356 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 6329 3307 599 Uninet S.A. de C.V., MX
12479 5920 1599 131 UNI2-AS, ES
7545 5364 672 634 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4624 4192 73 ERX-CERNET-BKB China Education and Rese
31334 4099 484 13 KABELDEUTSCHLAND-AS, DE
11492 4056 270 646 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3929 7822 1736 AMAZON-02, US
39891 3776 203 20 ALJAWWALSTC-AS, SA
22773 3534 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 5920 5789 UNI2-AS, ES
7545 5364 4730 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4624 4551 ERX-CERNET-BKB China Education and Research Net
31334 4099 4086 KABELDEUTSCHLAND-AS, DE
7155 4034 4006 VIASAT-SP-BACKBONE, US
39891 3776 3756 ALJAWWALSTC-AS, SA
11492 4056 3410 CABLEONE, US
22773 3534 3382 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3367 3343 VIETEL-AS-AP Viettel Group, VN
6327 3373 3281 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
27205 UNALLOCATED 8.38.16.0/21 6461 ZAYO-6461, US
27205 UNALLOCATED 8.38.16.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
27205 UNALLOCATED 8.38.20.0/22 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3, US
23061 UNALLOCATED 8.39.119.0/24 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
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 /11:98 /12:285
/13:578 /14:1160 /15:1907 /16:13360 /17:8110 /18:13840
/19:25772 /20:40409 /21:47802 /22:99305 /23:81999 /24:465540
/25:1282 /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 5759 5920 UNI2-AS, ES
8151 4948 6329 Uninet S.A. de C.V., MX
31334 4088 4099 KABELDEUTSCHLAND-AS, DE
7155 3900 4034 VIASAT-SP-BACKBONE, US
11492 3878 4056 CABLEONE, US
16509 3808 3929 AMAZON-02, US
39891 3776 3776 ALJAWWALSTC-AS, SA
22773 3423 3534 ASN-CXA-ALL-CCI-22773-RDC, US
7545 3365 5364 TPG-INTERNET-AP TPG Telecom Limited, AU
6327 3282 3373 SHAW, CA
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1568 2:1110 3:30 4:19 5:3309 6:51
8:1384 9:1 11:1 12:1790 13:497 14:2256
15:73 16:9 17:294 18:79 20:78 23:3400
24:2282 25:4 27:2510 31:3031 32:103 34:1
35:40 36:931 37:3289 38:1936 39:327 40:126
41:3466 42:696 43:2111 44:195 45:13918 46:3702
47:277 49:1430 50:1213 51:86 52:1112 54:270
55:693 56:6 57:48 58:1870 59:1142 60:705
61:2221 62:2242 63:1944 64:5068 65:2318 66:4875
67:2881 68:1219 69:3795 70:1431 71:675 72:2762
74:2606 75:1437 76:667 77:2599 78:1959 79:2316
80:1888 81:1591 82:1263 83:1128 84:1208 85:2509
86:549 87:1723 88:1100 89:2696 90:313 91:7604
92:1477 93:2513 94:2634 95:3781 96:1009 97:338
98:967 99:961 100:86 101:1085 102:849 103:23394
104:3404 105:410 106:836 107:1956 108:706 109:3681
110:1791 111:2028 112:1581 113:1398 114:1537 115:1867
116:1794 117:2067 118:2132 119:1710 120:845 121:1042
122:2410 123:1900 124:1559 125:2043 128:1376 129:903
130:631 131:1807 132:762 133:301 134:1222 135:275
136:602 137:845 138:2170 139:1000 140:602 141:928
142:890 143:1203 144:975 145:330 146:1483 147:1020
148:2071 149:1151 150:817 151:1285 152:1489 153:373
154:4741 155:908 156:3405 157:1079 158:796 159:1953
160:1879 161:1018 162:3051 163:792 164:1465 165:1253
166:544 167:1628 168:3665 169:505 170:4289 171:762
172:1899 173:2396 174:1031 175:1020 176:2707 177:4210
178:2975 179:1476 180:2157 181:2460 182:3094 183:1116
184:2414 185:16269 186:3735 187:2661 188:4102 189:2171
190:8472 191:1434 192:10259 193:7386 194:6050 195:4297
196:3491 197:1922 198:6127 199:5920 200:7168 201:5103
202:10496 203:10132 204:4559 205:3089 206:3232 207:3285
208:4030 209:4380 210:4034 211:1997 212:3237 213:3054
214:1175 215:54 216:5923 217:2379 218:875 219:602
220:1996 221:909 222:998 223:1491
End of report
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