[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Nov 13 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 14 Nov, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 829986
Prefixes after maximum aggregation (per Origin AS): 316702
Deaggregation factor: 2.62
Unique aggregates announced (without unneeded subnets): 397700
Total ASes present in the Internet Routing Table: 69941
Prefixes per ASN: 11.87
Origin-only ASes present in the Internet Routing Table: 60088
Origin ASes announcing only one prefix: 24866
Transit ASes present in the Internet Routing Table: 9853
Transit-only ASes present in the Internet Routing Table: 299
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 32
Max AS path prepend of ASN ( 45582) 27
Prefixes from unregistered ASNs in the Routing Table: 937
Number of instances of unregistered ASNs: 938
Number of 32-bit ASNs allocated by the RIRs: 34135
Number of 32-bit ASNs visible in the Routing Table: 28269
Prefixes from 32-bit ASNs in the Routing Table: 129495
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 501
Number of addresses announced to Internet: 2864819456
Equivalent to 170 /8s, 193 /16s and 173 /24s
Percentage of available address space announced: 77.4
Percentage of allocated address space announced: 77.4
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: 279750
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 217220
Total APNIC prefixes after maximum aggregation: 63608
APNIC Deaggregation factor: 3.41
Prefixes being announced from the APNIC address blocks: 212793
Unique aggregates announced from the APNIC address blocks: 87004
APNIC Region origin ASes present in the Internet Routing Table: 11033
APNIC Prefixes per ASN: 19.29
APNIC Region origin ASes announcing only one prefix: 3122
APNIC Region transit ASes present in the Internet Routing Table: 1612
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6149
Number of APNIC addresses announced to Internet: 778064768
Equivalent to 46 /8s, 96 /16s and 83 /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: 241972
Total ARIN prefixes after maximum aggregation: 111442
ARIN Deaggregation factor: 2.17
Prefixes being announced from the ARIN address blocks: 239960
Unique aggregates announced from the ARIN address blocks: 114930
ARIN Region origin ASes present in the Internet Routing Table: 18679
ARIN Prefixes per ASN: 12.85
ARIN Region origin ASes announcing only one prefix: 6806
ARIN Region transit ASes present in the Internet Routing Table: 1907
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3544
Number of ARIN addresses announced to Internet: 1093479424
Equivalent to 65 /8s, 45 /16s and 44 /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: 233793
Total RIPE prefixes after maximum aggregation: 110050
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 229765
Unique aggregates announced from the RIPE address blocks: 137116
RIPE Region origin ASes present in the Internet Routing Table: 27509
RIPE Prefixes per ASN: 8.35
RIPE Region origin ASes announcing only one prefix: 11853
RIPE Region transit ASes present in the Internet Routing Table: 3906
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 32
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9652
Number of RIPE addresses announced to Internet: 709605760
Equivalent to 42 /8s, 75 /16s and 185 /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: 111691
Total LACNIC prefixes after maximum aggregation: 26119
LACNIC Deaggregation factor: 4.28
Prefixes being announced from the LACNIC address blocks: 112883
Unique aggregates announced from the LACNIC address blocks: 47965
LACNIC Region origin ASes present in the Internet Routing Table: 10605
LACNIC Prefixes per ASN: 10.64
LACNIC Region origin ASes announcing only one prefix: 2602
LACNIC Region transit ASes present in the Internet Routing Table: 1972
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8193
Number of LACNIC addresses announced to Internet: 174594816
Equivalent to 10 /8s, 104 /16s and 27 /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: 24371
Total AfriNIC prefixes after maximum aggregation: 4740
AfriNIC Deaggregation factor: 5.14
Prefixes being announced from the AfriNIC address blocks: 34084
Unique aggregates announced from the AfriNIC address blocks: 10272
AfriNIC Region origin ASes present in the Internet Routing Table: 1410
AfriNIC Prefixes per ASN: 24.17
AfriNIC Region origin ASes announcing only one prefix: 482
AfriNIC Region transit ASes present in the Internet Routing Table: 292
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 29
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 731
Number of AfriNIC addresses announced to Internet: 108602624
Equivalent to 6 /8s, 121 /16s and 37 /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 5726 778 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4738 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3564 1330 21 VIETEL-AS-AP Viettel Group, VN
45899 3259 1896 54 VNPT-AS-VN VNPT Corp, VN
7713 3014 912 562 TELKOMNET-AS-AP PT Telekomunikasi Indon
9808 2509 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2350 11103 553 KIXS-AS-KR Korea Telecom, KR
9498 2280 450 231 BBIL-AP BHARTI Airtel Ltd., IN
4755 2136 441 190 TATACOMM-AS TATA Communications formerl
9394 2046 4913 16 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 4675 310 772 CABLEONE, US
16509 4418 9023 2031 AMAZON-02, US
7155 4035 264 32 VIASAT-SP-BACKBONE, US
22773 3729 2994 198 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3346 1323 82 SHAW, CA
16625 3166 1654 2251 AKAMAI-AS, US
209 2512 5059 512 CENTURYLINK-US-LEGACY-QWEST, US
30036 2476 368 107 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2312 2981 1625 FRONTIER-FRTR, US
20115 2164 2895 506 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
12479 6233 1668 143 UNI2-AS, ES
39891 3652 203 21 ALJAWWALSTC-AS, SA
8551 3416 379 45 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3270 3347 202 AKAMAI-ASN1, EU
12389 2847 2279 884 ROSTELECOM-AS, RU
47331 2342 407 1755 TTNET, TR
9009 2185 226 1190 M247, GB
34984 2153 352 580 TELLCOM-AS, TR
13188 1611 100 26 TRIOLAN, UA
58224 1364 850 544 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 8145 3441 596 Uninet S.A. de C.V., MX
10620 3405 529 532 Telmex Colombia S.A., CO
11830 2562 369 63 Instituto Costarricense de Electricidad
7303 1478 952 267 Telecom Argentina S.A., AR
6503 1470 312 474 Axtel, S.A.B. de C.V., MX
13999 1467 425 397 Mega Cable, S.A. de C.V., MX
28573 1346 2256 230 CLARO S.A., BR
3816 1163 576 166 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1146 379 39 Telefonica del Peru S.A.A., PE
11664 1006 213 418 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 1573 393 22 LINKdotNET-AS, EG
24835 1271 468 27 RAYA-AS, EG
36992 1218 1529 131 ETISALAT-MISR, EG
36903 918 480 94 MT-MPLS, MA
29571 711 68 12 ORANGE-COTE-IVOIRE, CI
6713 552 1863 34 IAM-AS, MA
15399 488 46 16 WANANCHI-, KE
37342 476 32 1 MOVITEL, MZ
36935 446 522 40 Vodafone-, EG
36914 371 82 3 KENET-AS, 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 8145 3441 596 Uninet S.A. de C.V., MX
12479 6233 1668 143 UNI2-AS, ES
7545 5726 778 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4738 4192 73 ERX-CERNET-BKB China Education and Rese
11492 4675 310 772 CABLEONE, US
16509 4418 9023 2031 AMAZON-02, US
7155 4035 264 32 VIASAT-SP-BACKBONE, US
22773 3729 2994 198 ASN-CXA-ALL-CCI-22773-RDC, US
39891 3652 203 21 ALJAWWALSTC-AS, SA
7552 3564 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 6233 6090 UNI2-AS, ES
7545 5726 5052 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4738 4665 ERX-CERNET-BKB China Education and Research Net
7155 4035 4003 VIASAT-SP-BACKBONE, US
11492 4675 3903 CABLEONE, US
39891 3652 3631 ALJAWWALSTC-AS, SA
7552 3564 3543 VIETEL-AS-AP Viettel Group, VN
22773 3729 3531 ASN-CXA-ALL-CCI-22773-RDC, US
8551 3416 3371 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3346 3264 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
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
393489 UNALLOCATED 12.7.109.0/24 7018 ATT-INTERNET4, US
46505 UNALLOCATED 12.7.131.0/24 7018 ATT-INTERNET4, US
15132 UNALLOCATED 12.9.150.0/24 1239 SPRINTLINK, 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
23.141.0.0/24 Origin: 395350 UNASSIGNED
Transit: 11426 TWC-11426-CAROLINAS, US
23.142.80.0/24 Origin: 397294 UNASSIGNED
Transit: 398559 TUNBROKER, 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
27.126.156.0/23 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
/13:577 /14:1170 /15:1929 /16:13461 /17:8266 /18:13983
/19:25641 /20:41466 /21:50024 /22:102852 /23:87036 /24:481888
/25:1239 /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 5198 6233 UNI2-AS, ES
11492 3798 4675 CABLEONE, US
6327 3143 3346 SHAW, CA
7155 3123 4035 VIASAT-SP-BACKBONE, US
8551 2876 3416 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
22773 2856 3729 ASN-CXA-ALL-CCI-22773-RDC, US
8151 2850 8145 Uninet S.A. de C.V., MX
39891 2801 3652 ALJAWWALSTC-AS, SA
30036 2219 2476 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 1995 2312 FRONTIER-FRTR, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1884 2:1207 3:33 4:19 5:3593 6:53
8:1487 9:1 11:1 12:1759 13:343 14:2382
15:72 16:12 17:304 18:91 20:113 23:4020
24:2341 25:3 27:2340 31:2155 32:114 34:1
35:41 36:1067 37:3473 38:1929 39:439 40:150
41:3801 42:626 43:2133 44:227 45:14894 46:3597
47:321 49:1574 50:1671 51:89 52:1127 54:219
55:717 56:6 57:53 58:1792 59:1165 60:815
61:2330 62:2228 63:2008 64:5285 65:2390 66:5111
67:2932 68:1177 69:4090 70:1406 71:684 72:2998
74:2546 75:1462 76:689 77:1989 78:2124 79:2658
80:2039 81:1618 82:1293 83:1071 84:1267 85:2768
86:613 87:1793 88:1432 89:2871 90:386 91:7132
92:1605 93:2531 94:2849 95:3604 96:1240 97:341
98:955 99:979 100:88 101:1025 102:1138 103:24813
104:3606 105:383 106:901 107:2146 108:692 109:3725
110:1984 111:2317 112:1660 113:1514 114:1530 115:1846
116:1851 117:2096 118:2254 119:1789 120:874 121:1023
122:2293 123:2112 124:1617 125:2144 128:1367 129:1241
130:760 131:1924 132:753 133:312 134:1376 135:329
136:670 137:893 138:2318 139:1142 140:766 141:1146
142:989 143:1240 144:1205 145:324 146:1365 147:1226
148:2164 149:1239 150:755 151:1322 152:1572 153:439
154:3310 155:1281 156:2471 157:1120 158:893 159:2003
160:1993 161:1073 162:3184 163:911 164:1514 165:1318
166:592 167:1715 168:3592 169:629 170:4288 171:771
172:2001 173:2936 174:959 175:1062 176:2882 177:4311
178:2764 179:1892 180:2267 181:2556 182:3151 183:1486
184:2431 185:17254 186:3952 187:3078 188:3299 189:2686
190:9113 191:1378 192:10575 193:7794 194:6343 195:4556
196:3148 197:2218 198:6035 199:5917 200:7327 201:5236
202:10552 203:10176 204:4651 205:3077 206:3260 207:3289
208:3997 209:4529 210:4198 211:2080 212:3530 213:3313
214:1194 215:60 216:6146 217:2484 218:853 219:629
220:2037 221:919 222:968 223:1675
End of report
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