[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jul 3 18:03:20 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 04 Jul, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 816292
Prefixes after maximum aggregation (per Origin AS): 310189
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 397059
Total ASes present in the Internet Routing Table: 68553
Prefixes per ASN: 11.91
Origin-only ASes present in the Internet Routing Table: 58924
Origin ASes announcing only one prefix: 24515
Transit ASes present in the Internet Routing Table: 9629
Transit-only ASes present in the Internet Routing Table: 295
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: 818
Number of instances of unregistered ASNs: 819
Number of 32-bit ASNs allocated by the RIRs: 32317
Number of 32-bit ASNs visible in the Routing Table: 26698
Prefixes from 32-bit ASNs in the Routing Table: 123167
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: 539
Number of addresses announced to Internet: 2843427328
Equivalent to 169 /8s, 123 /16s and 66 /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: 275708
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 213635
Total APNIC prefixes after maximum aggregation: 62618
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 207247
Unique aggregates announced from the APNIC address blocks: 86062
APNIC Region origin ASes present in the Internet Routing Table: 10690
APNIC Prefixes per ASN: 19.39
APNIC Region origin ASes announcing only one prefix: 3005
APNIC Region transit ASes present in the Internet Routing Table: 1592
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: 5768
Number of APNIC addresses announced to Internet: 770136192
Equivalent to 45 /8s, 231 /16s and 88 /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: 238973
Total ARIN prefixes after maximum aggregation: 109556
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 236191
Unique aggregates announced from the ARIN address blocks: 119918
ARIN Region origin ASes present in the Internet Routing Table: 18533
ARIN Prefixes per ASN: 12.74
ARIN Region origin ASes announcing only one prefix: 6775
ARIN Region transit ASes present in the Internet Routing Table: 1901
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: 3306
Number of ARIN addresses announced to Internet: 1079399168
Equivalent to 64 /8s, 86 /16s and 83 /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: 231779
Total RIPE prefixes after maximum aggregation: 107648
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 228478
Unique aggregates announced from the RIPE address blocks: 134640
RIPE Region origin ASes present in the Internet Routing Table: 27207
RIPE Prefixes per ASN: 8.40
RIPE Region origin ASes announcing only one prefix: 11753
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: 9292
Number of RIPE addresses announced to Internet: 709299328
Equivalent to 42 /8s, 71 /16s and 12 /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: 107765
Total LACNIC prefixes after maximum aggregation: 24953
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 108936
Unique aggregates announced from the LACNIC address blocks: 46712
LACNIC Region origin ASes present in the Internet Routing Table: 10049
LACNIC Prefixes per ASN: 10.84
LACNIC Region origin ASes announcing only one prefix: 2486
LACNIC Region transit ASes present in the Internet Routing Table: 1879
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 39
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 7629
Number of LACNIC addresses announced to Internet: 174555136
Equivalent to 10 /8s, 103 /16s and 128 /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: 23321
Total AfriNIC prefixes after maximum aggregation: 4764
AfriNIC Deaggregation factor: 4.90
Prefixes being announced from the AfriNIC address blocks: 34901
Unique aggregates announced from the AfriNIC address blocks: 9272
AfriNIC Region origin ASes present in the Internet Routing Table: 1413
AfriNIC Prefixes per ASN: 24.70
AfriNIC Region origin ASes announcing only one prefix: 496
AfriNIC Region transit ASes present in the Internet Routing Table: 279
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: 703
Number of AfriNIC addresses announced to Internet: 109594880
Equivalent to 6 /8s, 136 /16s and 73 /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 5518 724 655 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4743 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3439 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3169 1839 101 VNPT-AS-VN VNPT Corp, VN
7713 2700 827 527 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2613 9043 60 CMNET-GD Guangdong Mobile Communication
9498 2281 434 226 BBIL-AP BHARTI Airtel Ltd., IN
4766 2271 11101 552 KIXS-AS-KR Korea Telecom, KR
4755 2133 441 193 TATACOMM-AS TATA Communications formerl
9394 2034 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 4460 299 633 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 4025 8145 1809 AMAZON-02, US
22773 3572 2968 152 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3351 1324 90 SHAW, CA
16625 3122 1628 2220 AKAMAI-AS, US
209 2424 5075 530 CENTURYLINK-US-LEGACY-QWEST, US
30036 2420 365 161 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2305 2981 1622 FRONTIER-FRTR, US
26484 2267 142 205 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 5826 1652 135 UNI2-AS, ES
31334 5251 484 13 KABELDEUTSCHLAND-AS, DE
8551 3168 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3078 451 2071 AKAMAI-ASN1, EU
39891 2879 171 19 ALJAWWALSTC-AS, SA
12389 2550 2263 757 ROSTELECOM-AS, RU
34984 2160 354 566 TELLCOM-AS, TR
9009 2159 226 1183 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1365 164 577 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 6769 3328 597 Uninet S.A. de C.V., MX
10620 3365 530 511 Telmex Colombia S.A., CO
11830 2665 369 63 Instituto Costarricense de Electricidad
6503 1719 326 387 Mega Cable, S.A. de C.V., MX
7303 1519 988 253 Telecom Argentina S.A., AR
13999 1430 513 339 Mega Cable, S.A. de C.V., MX
28573 1406 2245 219 CLARO S.A., BR
6147 1136 379 39 Telefonica del Peru S.A.A., PE
3816 1113 571 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11172 957 112 71 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 1489 393 22 LINKdotNET-AS, EG
36992 1112 1539 76 ETISALAT-MISR, EG
24835 1073 474 23 RAYA-AS, EG
36903 917 480 93 MT-MPLS, MA
29571 625 68 11 ORANGE-COTE-IVOIRE, CI
6713 552 1863 34 IAM-AS, MA
15399 492 45 12 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
36935 437 522 40 Vodafone-, EG
23889 344 231 15 MauritiusTelecom, MU
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 6769 3328 597 Uninet S.A. de C.V., MX
12479 5826 1652 135 UNI2-AS, ES
7545 5518 724 655 TPG-INTERNET-AP TPG Telecom Limited, AU
31334 5251 484 13 KABELDEUTSCHLAND-AS, DE
4538 4743 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4460 299 633 CABLEONE, US
7155 4036 264 27 VIASAT-SP-BACKBONE, US
16509 4025 8145 1809 AMAZON-02, US
22773 3572 2968 152 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3439 1330 21 VIETEL-AS-AP Viettel Group, VN
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 5826 5691 UNI2-AS, ES
31334 5251 5238 KABELDEUTSCHLAND-AS, DE
7545 5518 4863 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 4460 3827 CABLEONE, US
22773 3572 3420 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3439 3418 VIETEL-AS-AP Viettel Group, VN
6327 3351 3261 SHAW, CA
8551 3168 3123 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
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
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
41.67.208.0/21 Origin: 15964 CAMNET-AS, CM
Transit: 12956 TELEFONICA TELXIUS, ES
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
/13:578 /14:1169 /15:1915 /16:13370 /17:8231 /18:13970
/19:25899 /20:40910 /21:48611 /22:101364 /23:83849 /24:474707
/25:1274 /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
31334 5100 5251 KABELDEUTSCHLAND-AS, DE
12479 4849 5826 UNI2-AS, ES
11492 3519 4460 CABLEONE, US
6327 3140 3351 SHAW, CA
7155 3128 4036 VIASAT-SP-BACKBONE, US
22773 2779 3572 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2627 3168 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2449 6769 Uninet S.A. de C.V., MX
39891 2417 2879 ALJAWWALSTC-AS, SA
30036 2162 2420 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1543 2:1197 3:31 4:19 5:3393 6:52
8:1461 9:1 11:1 12:1778 13:513 14:2299
15:72 16:8 17:291 18:81 20:106 23:3757
24:2302 25:3 27:2560 31:3089 32:129 34:1
35:42 36:961 37:3273 38:1953 39:427 40:127
41:3682 42:617 43:2142 44:209 45:14680 46:3703
47:297 49:1470 50:1548 51:90 52:1103 54:226
55:683 56:6 57:51 58:1757 59:1176 60:762
61:2299 62:2140 63:1982 64:5236 65:2331 66:5011
67:2877 68:1176 69:4003 70:1404 71:680 72:2875
74:2575 75:1451 76:660 77:2910 78:1661 79:2385
80:1945 81:1660 82:1312 83:1257 84:1232 85:2619
86:548 87:1748 88:1167 89:2756 90:339 91:8075
92:1538 93:2508 94:2737 95:3929 96:1226 97:338
98:923 99:978 100:86 101:1002 102:998 103:23938
104:3450 105:401 106:911 107:2042 108:697 109:3643
110:1848 111:2029 112:1642 113:1360 114:1543 115:1827
116:1797 117:2105 118:2075 119:1715 120:833 121:1038
122:2442 123:2081 124:1567 125:2015 128:1383 129:1213
130:662 131:1872 132:771 133:302 134:1345 135:305
136:628 137:859 138:2197 139:1009 140:686 141:1003
142:934 143:1262 144:1034 145:328 146:1492 147:1019
148:2118 149:1183 150:826 151:1074 152:1496 153:414
154:4566 155:1059 156:2998 157:1131 158:854 159:1974
160:1920 161:1065 162:3102 163:829 164:1475 165:1301
166:562 167:1639 168:3535 169:568 170:4253 171:777
172:1941 173:2575 174:987 175:1059 176:2589 177:4211
178:3032 179:1516 180:2272 181:2500 182:3093 183:1155
184:2413 185:16568 186:3764 187:2863 188:4084 189:2445
190:8785 191:1350 192:10398 193:7568 194:6273 195:4434
196:3266 197:2029 198:6133 199:5883 200:7243 201:5254
202:10546 203:10275 204:4562 205:3129 206:3176 207:3283
208:4068 209:4466 210:4013 211:2025 212:3398 213:3140
214:1189 215:62 216:6047 217:2414 218:855 219:616
220:2018 221:950 222:1006 223:1515
End of report
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