[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jan 1 18:03:18 UTC 2021
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 02 Jan, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 833633
Prefixes after maximum aggregation (per Origin AS): 320053
Deaggregation factor: 2.60
Unique aggregates announced (without unneeded subnets): 399759
Total ASes present in the Internet Routing Table: 70222
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 60418
Origin ASes announcing only one prefix: 25000
Transit ASes present in the Internet Routing Table: 9804
Transit-only ASes present in the Internet Routing Table: 298
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 203
Max AS path prepend of ASN (396896) 200
Prefixes from unregistered ASNs in the Routing Table: 1027
Number of instances of unregistered ASNs: 1031
Number of 32-bit ASNs allocated by the RIRs: 34573
Number of 32-bit ASNs visible in the Routing Table: 28719
Prefixes from 32-bit ASNs in the Routing Table: 132424
Number of bogon 32-bit ASNs visible in the Routing Table: 24
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 503
Number of addresses announced to Internet: 2863108480
Equivalent to 170 /8s, 167 /16s and 145 /24s
Percentage of available address space announced: 77.3
Percentage of allocated address space announced: 77.3
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: 284210
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 217099
Total APNIC prefixes after maximum aggregation: 64442
APNIC Deaggregation factor: 3.37
Prefixes being announced from the APNIC address blocks: 213119
Unique aggregates announced from the APNIC address blocks: 87656
APNIC Region origin ASes present in the Internet Routing Table: 11153
APNIC Prefixes per ASN: 19.11
APNIC Region origin ASes announcing only one prefix: 3187
APNIC Region transit ASes present in the Internet Routing Table: 1592
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6300
Number of APNIC addresses announced to Internet: 777987072
Equivalent to 46 /8s, 95 /16s and 36 /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, 131072-143673
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: 241006
Total ARIN prefixes after maximum aggregation: 111573
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 241489
Unique aggregates announced from the ARIN address blocks: 115552
ARIN Region origin ASes present in the Internet Routing Table: 18699
ARIN Prefixes per ASN: 12.91
ARIN Region origin ASes announcing only one prefix: 6821
ARIN Region transit ASes present in the Internet Routing Table: 1920
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 203
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3639
Number of ARIN addresses announced to Internet: 1092739584
Equivalent to 65 /8s, 33 /16s and 226 /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, 393216-401308
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: 237695
Total RIPE prefixes after maximum aggregation: 112156
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 233575
Unique aggregates announced from the RIPE address blocks: 137802
RIPE Region origin ASes present in the Internet Routing Table: 27612
RIPE Prefixes per ASN: 8.46
RIPE Region origin ASes announcing only one prefix: 11862
RIPE Region transit ASes present in the Internet Routing Table: 3866
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: 9797
Number of RIPE addresses announced to Internet: 709632896
Equivalent to 42 /8s, 76 /16s and 35 /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: 112044
Total LACNIC prefixes after maximum aggregation: 26303
LACNIC Deaggregation factor: 4.26
Prefixes being announced from the LACNIC address blocks: 113159
Unique aggregates announced from the LACNIC address blocks: 48017
LACNIC Region origin ASes present in the Internet Routing Table: 10634
LACNIC Prefixes per ASN: 10.64
LACNIC Region origin ASes announcing only one prefix: 2645
LACNIC Region transit ASes present in the Internet Routing Table: 1977
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 38
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8232
Number of LACNIC addresses announced to Internet: 174067968
Equivalent to 10 /8s, 96 /16s and 17 /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: 24760
Total AfriNIC prefixes after maximum aggregation: 4834
AfriNIC Deaggregation factor: 5.12
Prefixes being announced from the AfriNIC address blocks: 31788
Unique aggregates announced from the AfriNIC address blocks: 10313
AfriNIC Region origin ASes present in the Internet Routing Table: 1423
AfriNIC Prefixes per ASN: 22.34
AfriNIC Region origin ASes announcing only one prefix: 484
AfriNIC Region transit ASes present in the Internet Routing Table: 287
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 751
Number of AfriNIC addresses announced to Internet: 108255488
Equivalent to 6 /8s, 115 /16s and 217 /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 5681 777 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4914 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3562 1330 21 VIETEL-AS-AP Viettel Group, VN
7713 3234 952 519 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2863 1896 55 VNPT-AS-VN VNPT Corp, VN
9808 2779 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2477 11107 572 KIXS-AS-KR Korea Telecom, KR
9498 2296 466 233 BBIL-AP BHARTI Airtel Ltd., IN
4755 2130 441 189 TATACOMM-AS TATA Communications formerl
45090 2067 1045 63 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
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 4761 316 708 CABLEONE, US
16509 4600 9074 2122 AMAZON-02, US
7155 4022 264 32 VIASAT-SP-BACKBONE, US
22773 3776 3016 212 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3357 1319 83 SHAW, CA
16625 3178 1665 2281 AKAMAI-AS, US
209 2525 5058 508 CENTURYLINK-US-LEGACY-QWEST, US
30036 2488 369 131 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2336 2984 1643 FRONTIER-FRTR, US
20115 2163 2898 509 CHARTER-20115, 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
47331 6274 855 3608 TTNET, TR
12479 6202 1667 141 UNI2-AS, ES
39891 3459 195 22 ALJAWWALSTC-AS, SA
20940 3351 3359 186 AKAMAI-ASN1, NL
8551 3203 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2874 2280 886 ROSTELECOM-AS, RU
9009 2279 227 1233 M247, GB
34984 2175 354 579 TELLCOM-AS, TR
13188 1611 100 23 TRIOLAN, UA
58224 1475 857 550 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 8075 3398 584 Uninet S.A. de C.V., MX
10620 3390 526 605 Telmex Colombia S.A., CO
11830 2564 369 63 Instituto Costarricense de Electricidad
13999 1606 432 410 Mega Cable, S.A. de C.V., MX
6503 1438 311 475 Axtel, S.A.B. de C.V., MX
7303 1437 912 263 Telecom Argentina S.A., AR
28573 1379 2260 220 CLARO S.A., BR
6147 1147 379 39 Telefonica del Peru S.A.A., PE
3816 1115 537 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1008 213 417 Techtel LMDS Comunicaciones Interactiva
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 1566 393 22 LINKdotNET-AS, EG
24835 1287 478 26 RAYA-AS, EG
36992 1148 1521 165 ETISALAT-MISR, EG
36903 979 511 102 MT-MPLS, MA
29571 700 68 12 ORANGE-COTE-IVOIRE, CI
6713 532 1863 34 IAM-AS, MA
37342 478 32 1 MOVITEL, MZ
36935 466 522 40 Vodafone-, EG
23889 454 232 16 MauritiusTelecom, MU
15399 440 46 16 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 8075 3398 584 Uninet S.A. de C.V., MX
47331 6274 855 3608 TTNET, TR
12479 6202 1667 141 UNI2-AS, ES
7545 5681 777 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4914 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4761 316 708 CABLEONE, US
16509 4600 9074 2122 AMAZON-02, US
7155 4022 264 32 VIASAT-SP-BACKBONE, US
22773 3776 3016 212 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3562 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 6202 6061 UNI2-AS, ES
7545 5681 5022 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4914 4840 ERX-CERNET-BKB China Education and Research Net
11492 4761 4053 CABLEONE, US
7155 4022 3990 VIASAT-SP-BACKBONE, US
22773 3776 3564 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3562 3541 VIETEL-AS-AP Viettel Group, VN
39891 3459 3437 ALJAWWALSTC-AS, SA
6327 3357 3274 SHAW, CA
20940 3351 3165 AKAMAI-ASN1, NL
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
16589 UNALLOCATED 8.20.247.0/24 23393 NUCDN, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 174 COGENT-174, US
18604 UNALLOCATED 8.25.204.0/24 3356 LEVEL3, US
16589 UNALLOCATED 8.26.56.0/24 23393 NUCDN, 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
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
23.133.192.0/24 Origin: 16734 UNASSIGNED
Transit: 266201 RNV CORP EIRELI, BR
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 3803 RCN-AS1, US
Transit: 397881 STINGERS, US
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
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 /8:8 /9:13 /10:40 /11:101 /12:292
/13:579 /14:1175 /15:1930 /16:13472 /17:8260 /18:13699
/19:25583 /20:41046 /21:50526 /22:103584 /23:88035 /24:483983
/25:1307 /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
47331 5557 6274 TTNET, TR
12479 5181 6202 UNI2-AS, ES
11492 3813 4761 CABLEONE, US
6327 3152 3357 SHAW, CA
7155 3111 4022 VIASAT-SP-BACKBONE, US
22773 2882 3776 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3459 ALJAWWALSTC-AS, SA
8151 2699 8075 Uninet S.A. de C.V., MX
8551 2664 3203 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2220 2488 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1643 2:1175 3:68 4:18 5:3573 6:54
8:1495 9:1 11:1 12:1740 13:349 14:2404
15:75 16:13 17:308 18:93 20:113 23:4165
24:2366 25:3 27:2332 31:2176 32:113 34:1
35:37 36:1129 37:3565 38:2011 39:466 40:150
41:3853 42:594 43:2088 44:232 45:14656 46:3577
47:318 49:1598 50:1699 51:89 52:1133 54:219
55:765 56:6 57:57 58:1614 59:1145 60:817
61:2297 62:2196 63:2011 64:5218 65:2387 66:5123
67:2949 68:1182 69:4092 70:1398 71:685 72:3091
74:2533 75:1463 76:693 77:1977 78:3199 79:2472
80:1919 81:1629 82:1299 83:1092 84:1254 85:3087
86:621 87:1797 88:2417 89:2848 90:395 91:7204
92:1582 93:2545 94:2891 95:4158 96:1229 97:341
98:962 99:976 100:90 101:1049 102:1238 103:25088
104:3626 105:393 106:770 107:2182 108:691 109:3750
110:1989 111:2346 112:1693 113:1541 114:1405 115:1841
116:1841 117:2120 118:2216 119:1842 120:936 121:1044
122:2293 123:2153 124:1619 125:2140 128:1320 129:1267
130:776 131:2004 132:748 133:312 134:1377 135:328
136:689 137:895 138:2297 139:1169 140:735 141:1164
142:1047 143:1225 144:1212 145:342 146:1388 147:1211
148:2154 149:1254 150:758 151:1204 152:1546 153:445
154:2107 155:1247 156:1357 157:1147 158:907 159:2043
160:2060 161:1082 162:3228 163:941 164:1432 165:1313
166:601 167:1734 168:3615 169:632 170:4359 171:754
172:2029 173:2896 174:972 175:1051 176:2919 177:4445
178:2805 179:1868 180:2280 181:2585 182:3163 183:1538
184:2428 185:17632 186:4024 187:3047 188:3228 189:2656
190:9113 191:1434 192:10608 193:7850 194:6429 195:4582
196:3103 197:2257 198:6032 199:5965 200:7319 201:5272
202:10452 203:10170 204:4598 205:3088 206:3309 207:3327
208:3995 209:4615 210:4201 211:2127 212:3612 213:3206
214:1187 215:61 216:6137 217:2478 218:914 219:647
220:2093 221:933 222:980 223:1692
End of report
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