[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri May 8 18:03:58 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 09 May, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 807903
Prefixes after maximum aggregation (per Origin AS): 307689
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 396306
Total ASes present in the Internet Routing Table: 67970
Prefixes per ASN: 11.89
Origin-only ASes present in the Internet Routing Table: 58375
Origin ASes announcing only one prefix: 24342
Transit ASes present in the Internet Routing Table: 9595
Transit-only ASes present in the Internet Routing Table: 312
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: 1107
Number of instances of unregistered ASNs: 1109
Number of 32-bit ASNs allocated by the RIRs: 31553
Number of 32-bit ASNs visible in the Routing Table: 26053
Prefixes from 32-bit ASNs in the Routing Table: 120117
Number of bogon 32-bit ASNs visible in the Routing Table: 22
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 0
Number of addresses announced to Internet: 2840843264
Equivalent to 169 /8s, 83 /16s and 212 /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: 600637
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 211601
Total APNIC prefixes after maximum aggregation: 62375
APNIC Deaggregation factor: 3.39
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: 10552
APNIC Prefixes per ASN: 0.00
APNIC Region origin ASes announcing only one prefix: 2951
APNIC Region transit ASes present in the Internet Routing Table: 1575
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5627
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: 237006
Total ARIN prefixes after maximum aggregation: 109034
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: 18488
ARIN Prefixes per ASN: 0.00
ARIN Region origin ASes announcing only one prefix: 6744
ARIN Region transit ASes present in the Internet Routing Table: 1917
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: 3230
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: 229629
Total RIPE prefixes after maximum aggregation: 106279
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: 27047
RIPE Prefixes per ASN: 0.00
RIPE Region origin ASes announcing only one prefix: 11719
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: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9135
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: 106119
Total LACNIC prefixes after maximum aggregation: 24608
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: 9810
LACNIC Prefixes per ASN: 0.00
LACNIC Region origin ASes announcing only one prefix: 2438
LACNIC Region transit ASes present in the Internet Routing Table: 1844
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: 7383
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: 22440
Total AfriNIC prefixes after maximum aggregation: 4678
AfriNIC Deaggregation factor: 4.80
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: 1388
AfriNIC Prefixes per ASN: 0.00
AfriNIC Region origin ASes announcing only one prefix: 490
AfriNIC Region transit ASes present in the Internet Routing Table: 268
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 23
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 678
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 5445 686 636 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4739 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3389 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 2811 1766 151 VNPT-AS-VN VNPT Corp, VN
7713 2709 830 515 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2574 9043 62 CMNET-GD Guangdong Mobile Communication
9498 2268 434 223 BBIL-AP BHARTI Airtel Ltd., IN
4766 2267 11102 561 KIXS-AS-KR Korea Telecom, KR
4755 2126 441 194 TATACOMM-AS TATA Communications formerl
9394 2042 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 4352 291 664 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3996 8007 1791 AMAZON-02, US
22773 3542 2969 153 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3368 1324 92 SHAW, CA
16625 3094 1625 2208 AKAMAI-AS, US
30036 2403 366 95 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2401 5077 535 CENTURYLINK-US-LEGACY-QWEST, US
5650 2302 2981 1621 FRONTIER-FRTR, US
26484 2191 137 198 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 5767 1603 138 UNI2-AS, ES
31334 4768 484 13 KABELDEUTSCHLAND-AS, DE
39891 3651 203 20 ALJAWWALSTC-AS, SA
8551 3201 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 2960 443 2024 AKAMAI-ASN1, EU
12389 2496 2251 725 ROSTELECOM-AS, RU
9009 2133 222 1169 M247, GB
34984 2111 351 561 TELLCOM-AS, TR
13188 1607 100 35 TRIOLAN, UA
25019 1181 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 6530 3305 586 Uninet S.A. de C.V., MX
10620 3350 530 530 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 1553 1032 258 Telecom Argentina S.A., AR
13999 1382 507 335 Mega Cable, S.A. de C.V., MX
28573 1374 2242 203 CLARO S.A., BR
6147 1153 379 39 Telefonica del Peru S.A.A., PE
3816 1096 568 144 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 1391 393 22 LINKdotNET-AS, EG
24835 1114 574 25 RAYA-AS, EG
36992 1091 1539 76 ETISALAT-MISR, EG
36903 890 467 88 MT-MPLS, MA
29571 601 68 12 ORANGE-COTE-IVOIRE, CI
6713 562 1863 34 IAM-AS, MA
37342 466 32 1 MOVITEL, MZ
36935 409 522 44 Vodafone-, EG
23889 365 231 15 MauritiusTelecom, MU
15399 351 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 6530 3305 586 Uninet S.A. de C.V., MX
12479 5767 1603 138 UNI2-AS, ES
7545 5445 686 636 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4768 484 13 KABELDEUTSCHLAND-AS, DE
4538 4739 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4352 291 664 CABLEONE, US
7155 4034 280 28 VIASAT-SP-BACKBONE, US
16509 3996 8007 1791 AMAZON-02, US
39891 3651 203 20 ALJAWWALSTC-AS, SA
22773 3542 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 5767 5629 UNI2-AS, ES
7545 5445 4809 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 4768 4755 KABELDEUTSCHLAND-AS, DE
4538 4739 4666 ERX-CERNET-BKB China Education and Research Net
7155 4034 4006 VIASAT-SP-BACKBONE, US
11492 4352 3688 CABLEONE, US
39891 3651 3631 ALJAWWALSTC-AS, SA
22773 3542 3389 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3389 3367 VIETEL-AS-AP Viettel Group, VN
6327 3368 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
14109 UNALLOCATED 8.38.252.0/24 3356 LEVEL3, 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
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
198.18.17.0/24 18229 CTRLS-AS-IN CtrlS Datacenters Ltd., IN
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 /14:1167 /15:1915 /16:13351 /17:8242 /18:13611
/19:25818 /20:40699 /21:48063 /22:100236 /23:82842 /24:469658
/25:1280 /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 5608 5767 UNI2-AS, ES
8151 5139 6530 Uninet S.A. de C.V., MX
31334 4757 4768 KABELDEUTSCHLAND-AS, DE
11492 4106 4352 CABLEONE, US
7155 3900 4034 VIASAT-SP-BACKBONE, US
16509 3867 3996 AMAZON-02, US
39891 3651 3651 ALJAWWALSTC-AS, SA
7545 3441 5445 TPG-INTERNET-AP TPG Telecom Limited, AU
22773 3433 3542 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3279 3389 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)
----------------------------------------------
1:1561 2:1161 3:30 4:19 5:3344 6:51
8:1410 9:1 11:1 12:1787 13:508 14:2291
15:75 16:9 17:296 18:81 20:97 23:3550
24:2265 25:2 27:2495 31:3095 32:104 34:3
35:42 36:923 37:3270 38:1968 39:398 40:124
41:3595 42:660 43:2115 44:207 45:14223 46:3702
47:286 49:1449 50:1424 51:92 52:1073 54:263
55:676 56:6 57:52 58:1758 59:1171 60:729
61:2262 62:2200 63:1982 64:5145 65:2296 66:4958
67:2849 68:1183 69:3863 70:1432 71:679 72:2892
74:2607 75:1436 76:671 77:2830 78:1655 79:2363
80:1923 81:1622 82:1269 83:1175 84:1233 85:2503
86:546 87:1714 88:986 89:2768 90:313 91:7925
92:1506 93:2496 94:2688 95:3896 96:1203 97:330
98:937 99:977 100:87 101:971 102:922 103:23620
104:3410 105:381 106:805 107:1961 108:707 109:3728
110:1832 111:2009 112:1602 113:1359 114:1532 115:1826
116:1790 117:2078 118:2084 119:1717 120:815 121:1034
122:2419 123:1984 124:1549 125:2029 128:1352 129:1199
130:633 131:1836 132:765 133:300 134:1309 135:285
136:618 137:858 138:2169 139:994 140:639 141:949
142:902 143:1210 144:980 145:331 146:1495 147:1049
148:2108 149:1168 150:859 151:1303 152:1485 153:384
154:4669 155:1041 156:3267 157:1104 158:830 159:1978
160:1927 161:1041 162:3062 163:857 164:1458 165:1290
166:535 167:1608 168:3475 169:534 170:4187 171:768
172:1916 173:2534 174:1005 175:1018 176:2653 177:4232
178:3045 179:1548 180:2278 181:2528 182:3084 183:1123
184:2420 185:16436 186:3751 187:2718 188:4107 189:2283
190:8656 191:1419 192:10351 193:7494 194:6128 195:4378
196:3219 197:1874 198:6089 199:5961 200:7199 201:5235
202:10523 203:10165 204:4576 205:3088 206:3202 207:3277
208:4074 209:4419 210:3988 211:1977 212:3337 213:3072
214:1174 215:61 216:5982 217:2411 218:844 219:596
220:2027 221:916 222:998 223:1452
End of report
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