[cmNOG] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Ven 18 Déc 18:03:28 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 19 Dec, 2020
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 834384
Prefixes after maximum aggregation (per Origin AS): 319639
Deaggregation factor: 2.61
Unique aggregates announced (without unneeded subnets): 399442
Total ASes present in the Internet Routing Table: 70165
Prefixes per ASN: 11.89
Origin-only ASes present in the Internet Routing Table: 60316
Origin ASes announcing only one prefix: 24963
Transit ASes present in the Internet Routing Table: 9849
Transit-only ASes present in the Internet Routing Table: 296
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 203
Max AS path prepend of ASN (396896) 200
Prefixes from unregistered ASNs in the Routing Table: 1041
Number of instances of unregistered ASNs: 1042
Number of 32-bit ASNs allocated by the RIRs: 34457
Number of 32-bit ASNs visible in the Routing Table: 28615
Prefixes from 32-bit ASNs in the Routing Table: 131766
Number of bogon 32-bit ASNs visible in the Routing Table: 19
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 487
Number of addresses announced to Internet: 2864080896
Equivalent to 170 /8s, 182 /16s and 104 /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: 283940
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 218271
Total APNIC prefixes after maximum aggregation: 64342
APNIC Deaggregation factor: 3.39
Prefixes being announced from the APNIC address blocks: 214363
Unique aggregates announced from the APNIC address blocks: 87510
APNIC Region origin ASes present in the Internet Routing Table: 11125
APNIC Prefixes per ASN: 19.27
APNIC Region origin ASes announcing only one prefix: 3163
APNIC Region transit ASes present in the Internet Routing Table: 1606
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 31
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6259
Number of APNIC addresses announced to Internet: 778351744
Equivalent to 46 /8s, 100 /16s and 180 /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: 240878
Total ARIN prefixes after maximum aggregation: 111543
ARIN Deaggregation factor: 2.16
Prefixes being announced from the ARIN address blocks: 241238
Unique aggregates announced from the ARIN address blocks: 115495
ARIN Region origin ASes present in the Internet Routing Table: 18688
ARIN Prefixes per ASN: 12.91
ARIN Region origin ASes announcing only one prefix: 6810
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: 203
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3614
Number of ARIN addresses announced to Internet: 1093010176
Equivalent to 65 /8s, 38 /16s and 3 /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: 237298
Total RIPE prefixes after maximum aggregation: 111936
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 233244
Unique aggregates announced from the RIPE address blocks: 137821
RIPE Region origin ASes present in the Internet Routing Table: 27601
RIPE Prefixes per ASN: 8.45
RIPE Region origin ASes announcing only one prefix: 11876
RIPE Region transit ASes present in the Internet Routing Table: 3889
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 9766
Number of RIPE addresses announced to Internet: 709745280
Equivalent to 42 /8s, 77 /16s and 218 /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: 112152
Total LACNIC prefixes after maximum aggregation: 26270
LACNIC Deaggregation factor: 4.27
Prefixes being announced from the LACNIC address blocks: 113258
Unique aggregates announced from the LACNIC address blocks: 47934
LACNIC Region origin ASes present in the Internet Routing Table: 10629
LACNIC Prefixes per ASN: 10.66
LACNIC Region origin ASes announcing only one prefix: 2629
LACNIC Region transit ASes present in the Internet Routing Table: 1991
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 33
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8226
Number of LACNIC addresses announced to Internet: 174119424
Equivalent to 10 /8s, 96 /16s and 218 /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: 24742
Total AfriNIC prefixes after maximum aggregation: 4794
AfriNIC Deaggregation factor: 5.16
Prefixes being announced from the AfriNIC address blocks: 31794
Unique aggregates announced from the AfriNIC address blocks: 10293
AfriNIC Region origin ASes present in the Internet Routing Table: 1424
AfriNIC Prefixes per ASN: 22.33
AfriNIC Region origin ASes announcing only one prefix: 484
AfriNIC Region transit ASes present in the Internet Routing Table: 284
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: 750
Number of AfriNIC addresses announced to Internet: 108424448
Equivalent to 6 /8s, 118 /16s and 109 /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 5682 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4749 4192 73 ERX-CERNET-BKB China Education and Rese
7552 3548 1330 21 VIETEL-AS-AP Viettel Group, VN
7713 3232 952 519 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2855 1896 55 VNPT-AS-VN VNPT Corp, VN
9808 2585 9044 57 CMNET-GD Guangdong Mobile Communication
4766 2352 11103 560 KIXS-AS-KR Korea Telecom, KR
9498 2296 466 233 BBIL-AP BHARTI Airtel Ltd., IN
4755 2133 441 189 TATACOMM-AS TATA Communications formerl
45090 2067 1045 64 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 4755 315 701 CABLEONE, US
16509 4528 9069 2096 AMAZON-02, US
7155 4020 264 32 VIASAT-SP-BACKBONE, US
22773 3769 3008 211 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3357 1319 83 SHAW, CA
16625 3155 1654 2271 AKAMAI-AS, US
209 2523 5059 507 CENTURYLINK-US-LEGACY-QWEST, US
30036 2491 368 113 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
12479 6214 1667 141 UNI2-AS, ES
47331 6104 845 3572 TTNET, TR
39891 3459 195 22 ALJAWWALSTC-AS, SA
20940 3327 3347 200 AKAMAI-ASN1, NL
8551 3225 379 43 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2883 2282 892 ROSTELECOM-AS, RU
9009 2236 231 1220 M247, GB
34984 2168 352 577 TELLCOM-AS, TR
13188 1610 100 31 TRIOLAN, UA
58224 1463 856 550 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 8215 3444 601 Uninet S.A. de C.V., MX
10620 3394 526 590 Telmex Colombia S.A., CO
11830 2564 369 63 Instituto Costarricense de Electricidad
13999 1588 431 406 Mega Cable, S.A. de C.V., MX
6503 1438 311 475 Axtel, S.A.B. de C.V., MX
7303 1435 909 262 Telecom Argentina S.A., AR
28573 1376 2260 222 CLARO S.A., BR
6147 1146 379 39 Telefonica del Peru S.A.A., PE
3816 1115 537 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1007 213 419 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 1218 1530 137 ETISALAT-MISR, EG
36903 951 497 97 MT-MPLS, MA
29571 709 68 12 ORANGE-COTE-IVOIRE, CI
6713 533 1863 34 IAM-AS, MA
37342 478 32 1 MOVITEL, MZ
36935 464 522 40 Vodafone-, EG
23889 451 232 16 MauritiusTelecom, MU
15399 439 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 8215 3444 601 Uninet S.A. de C.V., MX
12479 6214 1667 141 UNI2-AS, ES
47331 6104 845 3572 TTNET, TR
7545 5682 777 661 TPG-INTERNET-AP TPG Telecom Limited, AU
11492 4755 315 701 CABLEONE, US
4538 4749 4192 73 ERX-CERNET-BKB China Education and Rese
16509 4528 9069 2096 AMAZON-02, US
7155 4020 264 32 VIASAT-SP-BACKBONE, US
22773 3769 3008 211 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3548 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 6214 6073 UNI2-AS, ES
7545 5682 5021 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4749 4676 ERX-CERNET-BKB China Education and Research Net
11492 4755 4054 CABLEONE, US
7155 4020 3988 VIASAT-SP-BACKBONE, US
22773 3769 3558 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3548 3527 VIETEL-AS-AP Viettel Group, VN
39891 3459 3437 ALJAWWALSTC-AS, SA
6327 3357 3274 SHAW, CA
8551 3225 3182 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
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
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
393489 UNALLOCATED 12.7.109.0/24 7018 ATT-INTERNET4, 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: 3803 RCN-AS1, US
Transit: 398481 REDMERCURY, 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
/13:579 /14:1175 /15:1931 /16:13469 /17:8273 /18:13705
/19:25617 /20:41559 /21:50418 /22:103435 /23:87982 /24:484539
/25:1248 /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 5362 6104 TTNET, TR
12479 5185 6214 UNI2-AS, ES
11492 3805 4755 CABLEONE, US
6327 3152 3357 SHAW, CA
7155 3109 4020 VIASAT-SP-BACKBONE, US
8151 2917 8215 Uninet S.A. de C.V., MX
22773 2879 3769 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3459 ALJAWWALSTC-AS, SA
8551 2687 3225 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2224 2491 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1881 2:1139 3:35 4:18 5:3410 6:53
8:1487 9:1 11:1 12:1755 13:349 14:2402
15:75 16:13 17:303 18:93 20:113 23:4145
24:2364 25:3 27:2339 31:2187 32:112 34:1
35:35 36:1137 37:3546 38:1999 39:458 40:150
41:3851 42:872 43:2114 44:234 45:14610 46:3625
47:321 49:1602 50:1678 51:90 52:1127 54:217
55:768 56:6 57:57 58:1689 59:1149 60:817
61:2312 62:2198 63:2011 64:5220 65:2375 66:5120
67:2947 68:1172 69:4100 70:1399 71:685 72:3102
74:2548 75:1457 76:688 77:1982 78:3096 79:2485
80:1924 81:1632 82:1313 83:1095 84:1261 85:3055
86:612 87:1792 88:2339 89:2891 90:400 91:7166
92:1597 93:2553 94:2919 95:4109 96:1226 97:342
98:966 99:976 100:90 101:1055 102:1215 103:25085
104:3620 105:390 106:775 107:2189 108:690 109:3752
110:2007 111:2351 112:1661 113:1554 114:1425 115:1855
116:1858 117:2111 118:2288 119:1866 120:958 121:1049
122:2301 123:2132 124:1639 125:2140 128:1342 129:1258
130:766 131:2003 132:743 133:311 134:1392 135:326
136:688 137:894 138:2307 139:1167 140:737 141:1165
142:1042 143:1242 144:1210 145:341 146:1383 147:1215
148:2175 149:1248 150:752 151:1201 152:1609 153:445
154:2116 155:1267 156:1353 157:1140 158:907 159:2039
160:2049 161:1079 162:3210 163:927 164:1421 165:1315
166:599 167:1735 168:3608 169:632 170:4354 171:744
172:2025 173:2911 174:973 175:1059 176:2926 177:4428
178:2788 179:1891 180:2278 181:2571 182:3161 183:1526
184:2406 185:17607 186:4030 187:3075 188:3391 189:2751
190:9060 191:1401 192:10596 193:7859 194:6401 195:4583
196:3079 197:2269 198:6023 199:5947 200:7325 201:5277
202:10554 203:10175 204:4651 205:3102 206:3308 207:3320
208:3991 209:4611 210:4199 211:2098 212:3613 213:3183
214:1186 215:61 216:6132 217:2476 218:899 219:641
220:2085 221:935 222:987 223:1706
End of report
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