[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 15 18:03:47 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 16 May, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 809430
Prefixes after maximum aggregation (per Origin AS): 307947
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 395544
Total ASes present in the Internet Routing Table: 68052
Prefixes per ASN: 11.89
Origin-only ASes present in the Internet Routing Table: 58439
Origin ASes announcing only one prefix: 24374
Transit ASes present in the Internet Routing Table: 9613
Transit-only ASes present in the Internet Routing Table: 315
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 50
Max AS path prepend of ASN ( 22394) 38
Prefixes from unregistered ASNs in the Routing Table: 1159
Number of instances of unregistered ASNs: 1161
Number of 32-bit ASNs allocated by the RIRs: 31652
Number of 32-bit ASNs visible in the Routing Table: 26151
Prefixes from 32-bit ASNs in the Routing Table: 120583
Number of bogon 32-bit ASNs visible in the Routing Table: 22
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 2841447936
Equivalent to 169 /8s, 93 /16s and 14 /24s
Percentage of available address space announced: 76.7
Percentage of allocated address space announced: 76.7
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: 601773
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 212514
Total APNIC prefixes after maximum aggregation: 62442
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: 10555
APNIC Prefixes per ASN: 0.00
APNIC Region origin ASes announcing only one prefix: 2939
APNIC Region transit ASes present in the Internet Routing Table: 1583
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5638
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: 237015
Total ARIN prefixes after maximum aggregation: 109071
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: 18487
ARIN Prefixes per ASN: 0.00
ARIN Region origin ASes announcing only one prefix: 6749
ARIN Region transit ASes present in the Internet Routing Table: 1922
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: 3236
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: 229794
Total RIPE prefixes after maximum aggregation: 106388
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: 27066
RIPE Prefixes per ASN: 0.00
RIPE Region origin ASes announcing only one prefix: 11736
RIPE Region transit ASes present in the Internet Routing Table: 3820
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: 9166
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: 106330
Total LACNIC prefixes after maximum aggregation: 24623
LACNIC Deaggregation factor: 4.32
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: 9851
LACNIC Prefixes per ASN: 0.00
LACNIC Region origin ASes announcing only one prefix: 2459
LACNIC Region transit ASes present in the Internet Routing Table: 1851
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 50
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7424
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: 22617
Total AfriNIC prefixes after maximum aggregation: 4670
AfriNIC Deaggregation factor: 4.84
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: 1398
AfriNIC Prefixes per ASN: 0.00
AfriNIC Region origin ASes announcing only one prefix: 491
AfriNIC Region transit ASes present in the Internet Routing Table: 275
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 687
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 5448 684 623 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4740 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3431 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 2589 9043 61 CMNET-GD Guangdong Mobile Communication
9498 2269 434 223 BBIL-AP BHARTI Airtel Ltd., IN
4766 2267 11102 559 KIXS-AS-KR Korea Telecom, KR
4755 2128 441 194 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 4405 296 648 CABLEONE, US
7155 4033 264 27 VIASAT-SP-BACKBONE, US
16509 3992 8102 1802 AMAZON-02, US
22773 3544 2969 153 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3367 1324 91 SHAW, CA
16625 3096 1624 2206 AKAMAI-AS, US
30036 2422 367 90 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2405 5076 537 CENTURYLINK-US-LEGACY-QWEST, US
5650 2305 2981 1621 FRONTIER-FRTR, US
26484 2193 137 196 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 5754 1603 138 UNI2-AS, ES
31334 4828 484 13 KABELDEUTSCHLAND-AS, DE
39891 3651 203 20 ALJAWWALSTC-AS, SA
8551 3181 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2973 444 2035 AKAMAI-ASN1, EU
12389 2491 2251 725 ROSTELECOM-AS, RU
9009 2156 226 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 6586 3314 605 Uninet S.A. de C.V., MX
10620 3360 530 506 Telmex Colombia S.A., CO
11830 2665 369 63 Instituto Costarricense de Electricidad
6503 1686 327 388 Axtel, S.A.B. de C.V., MX
7303 1554 1033 253 Telecom Argentina S.A., AR
13999 1398 510 332 Mega Cable, S.A. de C.V., MX
28573 1373 2242 205 CLARO S.A., BR
6147 1154 379 39 Telefonica del Peru S.A.A., PE
3816 1098 569 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 957 112 70 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 1392 393 22 LINKdotNET-AS, EG
24835 1114 574 25 RAYA-AS, EG
36992 1090 1539 76 ETISALAT-MISR, EG
36903 890 467 88 MT-MPLS, MA
29571 600 68 12 ORANGE-COTE-IVOIRE, CI
6713 561 1863 34 IAM-AS, MA
37342 479 32 1 MOVITEL, MZ
36935 409 522 42 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 6586 3314 605 Uninet S.A. de C.V., MX
12479 5754 1603 138 UNI2-AS, ES
7545 5448 684 623 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4828 484 13 KABELDEUTSCHLAND-AS, DE
4538 4740 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4405 296 648 CABLEONE, US
7155 4033 264 27 VIASAT-SP-BACKBONE, US
16509 3992 8102 1802 AMAZON-02, US
39891 3651 203 20 ALJAWWALSTC-AS, SA
22773 3544 2969 153 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 5754 5616 UNI2-AS, ES
7545 5448 4825 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4828 4815 KABELDEUTSCHLAND-AS, DE
4538 4740 4667 ERX-CERNET-BKB China Education and Research Net
7155 4033 4006 VIASAT-SP-BACKBONE, US
11492 4405 3757 CABLEONE, US
39891 3651 3631 ALJAWWALSTC-AS, SA
7552 3431 3409 VIETEL-AS-AP Viettel Group, VN
22773 3544 3391 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 /14:1169 /15:1916 /16:13347 /17:8231 /18:13931
/19:25811 /20:40825 /21:48116 /22:100262 /23:83058 /24:470462
/25:1281 /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 5595 5754 UNI2-AS, ES
8151 5189 6586 Uninet S.A. de C.V., MX
31334 4817 4828 KABELDEUTSCHLAND-AS, DE
11492 4124 4405 CABLEONE, US
7155 3900 4033 VIASAT-SP-BACKBONE, US
16509 3863 3992 AMAZON-02, US
39891 3651 3651 ALJAWWALSTC-AS, SA
7545 3445 5448 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3435 3544 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3321 3431 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)
----------------------------------------------
1:1553 2:1180 3:30 4:19 5:3383 6:51
8:1419 9:1 11:1 12:1773 13:507 14:2290
15:74 16:8 17:294 18:81 20:100 23:3575
24:2272 25:2 27:2506 31:3109 32:105 34:3
35:42 36:929 37:3275 38:1970 39:405 40:124
41:3607 42:650 43:2117 44:206 45:14264 46:3696
47:293 49:1449 50:1426 51:92 52:1063 54:261
55:674 56:6 57:52 58:1760 59:1171 60:736
61:2264 62:2201 63:1980 64:5156 65:2294 66:4947
67:2855 68:1193 69:3904 70:1415 71:679 72:2875
74:2608 75:1439 76:675 77:2849 78:1651 79:2418
80:1906 81:1625 82:1303 83:1164 84:1236 85:2507
86:544 87:1721 88:994 89:2760 90:310 91:7951
92:1514 93:2496 94:2677 95:3903 96:1207 97:335
98:937 99:977 100:87 101:976 102:953 103:23667
104:3429 105:397 106:869 107:1966 108:713 109:3635
110:1816 111:2043 112:1611 113:1355 114:1522 115:1835
116:1787 117:2122 118:2059 119:1717 120:815 121:1038
122:2438 123:1990 124:1557 125:2037 128:1368 129:1199
130:633 131:1837 132:758 133:300 134:1307 135:287
136:611 137:862 138:2159 139:1000 140:657 141:959
142:929 143:1222 144:981 145:303 146:1502 147:1029
148:2107 149:1170 150:864 151:1299 152:1488 153:385
154:4652 155:1044 156:3165 157:1104 158:833 159:1977
160:1898 161:1042 162:3065 163:812 164:1472 165:1291
166:535 167:1612 168:3489 169:564 170:4203 171:779
172:1928 173:2552 174:996 175:1033 176:2668 177:4214
178:3040 179:1533 180:2275 181:2559 182:3089 183:1122
184:2421 185:16452 186:3767 187:2702 188:4085 189:2269
190:8651 191:1417 192:10353 193:7499 194:6149 195:4382
196:3234 197:1929 198:6089 199:5941 200:7220 201:5247
202:10544 203:10298 204:4571 205:3092 206:3199 207:3290
208:4052 209:4406 210:3983 211:1979 212:3354 213:3081
214:1176 215:61 216:6010 217:2409 218:847 219:613
220:2037 221:920 222:997 223:1466
End of report
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