[SANOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Sep 4 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 05 Sep, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 821017
Prefixes after maximum aggregation (per Origin AS): 312846
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 395670
Total ASes present in the Internet Routing Table: 69243
Prefixes per ASN: 11.86
Origin-only ASes present in the Internet Routing Table: 59481
Origin ASes announcing only one prefix: 24693
Transit ASes present in the Internet Routing Table: 9762
Transit-only ASes present in the Internet Routing Table: 303
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 45
Max AS path prepend of ASN ( 37385) 42
Prefixes from unregistered ASNs in the Routing Table: 812
Number of instances of unregistered ASNs: 828
Number of 32-bit ASNs allocated by the RIRs: 33339
Number of 32-bit ASNs visible in the Routing Table: 27491
Prefixes from 32-bit ASNs in the Routing Table: 127658
Number of bogon 32-bit ASNs visible in the Routing Table: 30
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 427
Number of addresses announced to Internet: 2851819264
Equivalent to 169 /8s, 251 /16s and 79 /24s
Percentage of available address space announced: 77.0
Percentage of allocated address space announced: 77.0
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: 274951
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 216770
Total APNIC prefixes after maximum aggregation: 63346
APNIC Deaggregation factor: 3.42
Prefixes being announced from the APNIC address blocks: 210584
Unique aggregates announced from the APNIC address blocks: 86530
APNIC Region origin ASes present in the Internet Routing Table: 10836
APNIC Prefixes per ASN: 19.43
APNIC Region origin ASes announcing only one prefix: 3038
APNIC Region transit ASes present in the Internet Routing Table: 1596
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 28
Number of APNIC region 32-bit ASNs visible in the Routing Table: 5932
Number of APNIC addresses announced to Internet: 770417536
Equivalent to 45 /8s, 235 /16s and 163 /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: 240383
Total ARIN prefixes after maximum aggregation: 110652
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 237989
Unique aggregates announced from the ARIN address blocks: 116491
ARIN Region origin ASes present in the Internet Routing Table: 18558
ARIN Prefixes per ASN: 12.82
ARIN Region origin ASes announcing only one prefix: 6766
ARIN Region transit ASes present in the Internet Routing Table: 1895
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3387
Number of ARIN addresses announced to Internet: 1087433984
Equivalent to 64 /8s, 208 /16s and 237 /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: 228936
Total RIPE prefixes after maximum aggregation: 107842
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 225151
Unique aggregates announced from the RIPE address blocks: 135407
RIPE Region origin ASes present in the Internet Routing Table: 27329
RIPE Prefixes per ASN: 8.24
RIPE Region origin ASes announcing only one prefix: 11778
RIPE Region transit ASes present in the Internet Routing Table: 3861
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9444
Number of RIPE addresses announced to Internet: 709206912
Equivalent to 42 /8s, 69 /16s and 163 /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: 110654
Total LACNIC prefixes after maximum aggregation: 25585
LACNIC Deaggregation factor: 4.32
Prefixes being announced from the LACNIC address blocks: 111793
Unique aggregates announced from the LACNIC address blocks: 47526
LACNIC Region origin ASes present in the Internet Routing Table: 10424
LACNIC Prefixes per ASN: 10.72
LACNIC Region origin ASes announcing only one prefix: 2610
LACNIC Region transit ASes present in the Internet Routing Table: 1959
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 28
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8008
Number of LACNIC addresses announced to Internet: 174659840
Equivalent to 10 /8s, 105 /16s and 25 /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: 23461
Total AfriNIC prefixes after maximum aggregation: 4779
AfriNIC Deaggregation factor: 4.91
Prefixes being announced from the AfriNIC address blocks: 35073
Unique aggregates announced from the AfriNIC address blocks: 9372
AfriNIC Region origin ASes present in the Internet Routing Table: 1425
AfriNIC Prefixes per ASN: 24.61
AfriNIC Region origin ASes announcing only one prefix: 501
AfriNIC Region transit ASes present in the Internet Routing Table: 283
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 45
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 720
Number of AfriNIC addresses announced to Internet: 109680896
Equivalent to 6 /8s, 137 /16s and 153 /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 5665 767 675 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4740 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3516 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3463 1896 52 VNPT-AS-VN VNPT Corp, VN
7713 2732 830 553 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2520 9043 60 CMNET-GD Guangdong Mobile Communication
4766 2349 11103 555 KIXS-AS-KR Korea Telecom, KR
9498 2284 450 224 BBIL-AP BHARTI Airtel Ltd., IN
4755 2144 441 192 TATACOMM-AS TATA Communications formerl
9394 2046 4914 18 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 4552 305 650 CABLEONE, US
16509 4231 8250 1943 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3624 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3362 1323 82 SHAW, CA
16625 3146 1663 2252 AKAMAI-AS, US
30036 2452 366 136 MEDIACOM-ENTERPRISE-BUSINESS, US
26484 2449 153 333 IKGUL-26484, US
209 2446 5073 520 CENTURYLINK-US-LEGACY-QWEST, US
5650 2309 2981 1625 FRONTIER-FRTR, 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 5987 1652 135 UNI2-AS, ES
20940 3201 2217 1027 AKAMAI-ASN1, EU
8551 3189 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 3073 179 21 ALJAWWALSTC-AS, SA
12389 2672 2272 842 ROSTELECOM-AS, RU
34984 2166 353 572 TELLCOM-AS, TR
9009 2151 226 1173 M247, GB
13188 1609 100 35 TRIOLAN, UA
61317 1335 157 580 ASDETUK http://www.heficed.com, GB
58224 1260 833 521 TCI, IR
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 7470 3293 615 Uninet S.A. de C.V., MX
10620 3372 530 515 Telmex Colombia S.A., CO
11830 2565 369 63 Instituto Costarricense de Electricidad
6503 1619 323 413 Axtel, S.A.B. de C.V., MX
7303 1480 953 262 Telecom Argentina S.A., AR
13999 1454 483 384 Mega Cable, S.A. de C.V., MX
28573 1360 2246 223 CLARO S.A., BR
3816 1135 575 154 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1122 379 39 Telefonica del Peru S.A.A., PE
11172 957 111 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 1434 393 22 LINKdotNET-AS, EG
36992 1126 1539 75 ETISALAT-MISR, EG
24835 1105 462 27 RAYA-AS, EG
36903 917 480 93 MT-MPLS, MA
29571 672 68 12 ORANGE-COTE-IVOIRE, CI
6713 553 1863 34 IAM-AS, MA
15399 495 46 15 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
36935 449 519 37 Vodafone-, EG
23889 345 232 16 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 7470 3293 615 Uninet S.A. de C.V., MX
12479 5987 1652 135 UNI2-AS, ES
7545 5665 767 675 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4740 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4552 305 650 CABLEONE, US
16509 4231 8250 1943 AMAZON-02, US
7155 4034 264 32 VIASAT-SP-BACKBONE, US
22773 3624 2984 173 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3516 1330 22 VIETEL-AS-AP Viettel Group, VN
45899 3463 1896 52 VNPT-AS-VN VNPT Corp, 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 5987 5852 UNI2-AS, ES
7545 5665 4990 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4740 4667 ERX-CERNET-BKB China Education and Research Net
7155 4034 4002 VIASAT-SP-BACKBONE, US
11492 4552 3902 CABLEONE, US
7552 3516 3494 VIETEL-AS-AP Viettel Group, VN
22773 3624 3451 ASN-CXA-ALL-CCI-22773-RDC, US
45899 3463 3411 VNPT-AS-VN VNPT Corp, VN
6327 3362 3280 SHAW, CA
8551 3189 3144 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
36270 UNALLOCATED 8.24.66.0/24 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
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
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 No. 14, Jala
27.126.156.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
27.126.158.0/23 Origin: 55827 UNASSIGNED
Transit: 9930 TTNET-MY TIME dotCom Berhad No. 14, Jala
41.78.164.0/24 Origin: 328013 ISPAfrika, ZA
Transit: 37179 AFRICAINX, ZA
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 /10:39 /11:100 /12:286
/13:576 /14:1175 /15:1936 /16:13477 /17:8301 /18:14041
/19:25910 /20:41127 /21:49318 /22:102244 /23:85243 /24:475948
/25:1276 /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 5005 5987 UNI2-AS, ES
11492 3619 4552 CABLEONE, US
6327 3159 3362 SHAW, CA
7155 3122 4034 VIASAT-SP-BACKBONE, US
22773 2804 3624 ASN-CXA-ALL-CCI-22773-RDC, US
8551 2648 3189 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
8151 2614 7470 Uninet S.A. de C.V., MX
39891 2609 3073 ALJAWWALSTC-AS, SA
30036 2195 2452 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1994 2309 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1622 2:1118 3:33 4:19 5:3588 6:54
8:1469 9:1 11:1 12:1771 13:460 14:2306
15:72 16:8 17:294 18:85 20:111 23:3965
24:2346 25:3 27:2310 31:2174 32:121 34:1
35:43 36:983 37:3405 38:1891 39:451 40:129
41:3691 42:637 43:2152 44:218 45:14894 46:3606
47:320 49:1530 50:1632 51:90 52:1109 54:227
55:565 56:6 57:52 58:1675 59:1197 60:790
61:2304 62:2150 63:2015 64:5232 65:2347 66:5084
67:2891 68:1170 69:4061 70:1401 71:677 72:2896
74:2572 75:1456 76:670 77:1958 78:1667 79:2470
80:2069 81:1612 82:1319 83:1253 84:1233 85:2669
86:562 87:1758 88:962 89:2832 90:360 91:7111
92:1562 93:2504 94:2780 95:3272 96:1258 97:341
98:920 99:980 100:87 101:1022 102:1070 103:24309
104:3556 105:393 106:899 107:2110 108:733 109:3647
110:1974 111:2064 112:1649 113:1395 114:1531 115:1841
116:1796 117:2086 118:2158 119:1736 120:840 121:1057
122:2535 123:2053 124:1642 125:2127 128:1393 129:1226
130:722 131:1924 132:759 133:306 134:1364 135:308
136:644 137:869 138:2263 139:1025 140:713 141:1089
142:961 143:1219 144:1158 145:368 146:1376 147:1023
148:2122 149:1185 150:772 151:1077 152:1560 153:426
154:4533 155:1218 156:3003 157:1119 158:866 159:1972
160:1962 161:1063 162:3166 163:902 164:1523 165:1329
166:584 167:1661 168:3522 169:591 170:4299 171:773
172:1985 173:2668 174:976 175:1053 176:2678 177:4795
178:2693 179:1783 180:2280 181:2542 182:3115 183:1172
184:2432 185:16919 186:3816 187:2952 188:3322 189:2619
190:8942 191:1384 192:10387 193:7686 194:6295 195:4530
196:3110 197:2036 198:6105 199:5924 200:7331 201:5225
202:10581 203:10204 204:4612 205:3118 206:3171 207:3259
208:4005 209:4514 210:4187 211:2043 212:3482 213:3256
214:1170 215:62 216:6128 217:2442 218:851 219:614
220:2059 221:910 222:1002 223:1672
End of report
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