[safnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Mar 19 18:02:37 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 20 Mar, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 852766
Prefixes after maximum aggregation (per Origin AS): 323236
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 405450
Total ASes present in the Internet Routing Table: 70882
Prefixes per ASN: 12.03
Origin-only ASes present in the Internet Routing Table: 60994
Origin ASes announcing only one prefix: 25179
Transit ASes present in the Internet Routing Table: 9888
Transit-only ASes present in the Internet Routing Table: 306
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 38
Max AS path prepend of ASN ( 37385) 33
Prefixes from unregistered ASNs in the Routing Table: 1034
Number of instances of unregistered ASNs: 1038
Number of 32-bit ASNs allocated by the RIRs: 35442
Number of 32-bit ASNs visible in the Routing Table: 29493
Prefixes from 32-bit ASNs in the Routing Table: 137004
Number of bogon 32-bit ASNs visible in the Routing Table: 38
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 543
Number of addresses announced to Internet: 2916989056
Equivalent to 173 /8s, 221 /16s and 184 /24s
Percentage of available address space announced: 78.8
Percentage of allocated address space announced: 78.8
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: 289583
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 225916
Total APNIC prefixes after maximum aggregation: 65289
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 222073
Unique aggregates announced from the APNIC address blocks: 89207
APNIC Region origin ASes present in the Internet Routing Table: 11402
APNIC Prefixes per ASN: 19.48
APNIC Region origin ASes announcing only one prefix: 3248
APNIC Region transit ASes present in the Internet Routing Table: 1609
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 30
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6550
Number of APNIC addresses announced to Internet: 771087872
Equivalent to 45 /8s, 245 /16s and 222 /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: 244602
Total ARIN prefixes after maximum aggregation: 112452
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 245196
Unique aggregates announced from the ARIN address blocks: 117070
ARIN Region origin ASes present in the Internet Routing Table: 18755
ARIN Prefixes per ASN: 13.07
ARIN Region origin ASes announcing only one prefix: 6811
ARIN Region transit ASes present in the Internet Routing Table: 1931
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: 3774
Number of ARIN addresses announced to Internet: 1152531200
Equivalent to 68 /8s, 178 /16s and 59 /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: 243000
Total RIPE prefixes after maximum aggregation: 113332
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 238797
Unique aggregates announced from the RIPE address blocks: 140517
RIPE Region origin ASes present in the Internet Routing Table: 27809
RIPE Prefixes per ASN: 8.59
RIPE Region origin ASes announcing only one prefix: 11936
RIPE Region transit ASes present in the Internet Routing Table: 3889
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10038
Number of RIPE addresses announced to Internet: 710531456
Equivalent to 42 /8s, 89 /16s and 217 /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: 112847
Total LACNIC prefixes after maximum aggregation: 26497
LACNIC Deaggregation factor: 4.26
Prefixes being announced from the LACNIC address blocks: 113992
Unique aggregates announced from the LACNIC address blocks: 48226
LACNIC Region origin ASes present in the Internet Routing Table: 10732
LACNIC Prefixes per ASN: 10.62
LACNIC Region origin ASes announcing only one prefix: 2670
LACNIC Region transit ASes present in the Internet Routing Table: 2009
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: 8336
Number of LACNIC addresses announced to Internet: 174697728
Equivalent to 10 /8s, 105 /16s and 173 /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: 25366
Total AfriNIC prefixes after maximum aggregation: 4899
AfriNIC Deaggregation factor: 5.18
Prefixes being announced from the AfriNIC address blocks: 32165
Unique aggregates announced from the AfriNIC address blocks: 9943
AfriNIC Region origin ASes present in the Internet Routing Table: 1457
AfriNIC Prefixes per ASN: 22.08
AfriNIC Region origin ASes announcing only one prefix: 514
AfriNIC Region transit ASes present in the Internet Routing Table: 291
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 795
Number of AfriNIC addresses announced to Internet: 107694080
Equivalent to 6 /8s, 107 /16s and 72 /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
9808 6288 9045 60 CMNET-GD Guangdong Mobile Communication
7545 5713 783 672 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4812 4192 74 ERX-CERNET-BKB China Education and Rese
7552 3547 1330 21 VIETEL-AS-AP Viettel Group, VN
7713 3520 1014 54 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 2905 1896 55 VNPT-AS-VN VNPT Corp, VN
4766 2442 11104 566 KIXS-AS-KR Korea Telecom, KR
9498 2315 482 232 BBIL-AP BHARTI Airtel Ltd., IN
4755 2146 441 190 TATACOMM-AS TATA Communications formerl
45090 2080 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
16509 4891 9260 2215 AMAZON-02, US
11492 4738 314 720 CABLEONE, US
7155 4030 264 32 VIASAT-SP-BACKBONE, US
22773 3923 2998 246 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3367 1749 2395 AKAMAI-AS, US
6327 3352 1317 72 SHAW, CA
209 2535 5054 488 CENTURYLINK-US-LEGACY-QWEST, US
30036 2533 372 88 MEDIACOM-ENTERPRISE-BUSINESS, US
5650 2350 3000 1642 FRONTIER-FRTR, US
5972 2209 447 784 DNIC-ASBLK-05800-06055, 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 7711 1039 3486 TTNET, TR
12479 6382 1701 138 UNI2-AS, ES
20940 3545 3347 207 AKAMAI-ASN1, NL
39891 3266 187 22 ALJAWWALSTC-AS, SA
8551 3186 379 41 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2897 2284 896 ROSTELECOM-AS, RU
9009 2446 252 1312 M247, GB
34984 2180 355 579 TELLCOM-AS, TR
13188 1610 100 31 TRIOLAN, UA
58224 1557 879 560 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 8456 3471 583 Uninet S.A. de C.V., MX
10620 3404 526 619 Telmex Colombia S.A., CO
11830 2458 369 62 Instituto Costarricense de Electricidad
7303 1870 1732 295 Telecom Argentina S.A., AR
13999 1659 436 421 Mega Cable, S.A. de C.V., MX
6503 1442 311 475 Axtel, S.A.B. de C.V., MX
28573 1411 2269 222 CLARO S.A., BR
3816 1212 623 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1128 377 39 Telefonica del Peru S.A.A., PE
11664 1000 211 401 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 1578 393 22 LINKdotNET-AS, EG
24835 1443 486 27 RAYA-AS, EG
36992 1192 1537 174 ETISALAT-MISR, EG
36903 977 510 104 MT-MPLS, MA
29571 704 68 11 ORANGE-COTE-IVOIRE, CI
6713 540 1863 34 IAM-AS, MA
36935 514 522 40 Vodafone-, EG
37342 487 32 1 MOVITEL, MZ
23889 447 232 16 MauritiusTelecom, MU
15399 444 47 17 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 8456 3471 583 Uninet S.A. de C.V., MX
47331 7711 1039 3486 TTNET, TR
12479 6382 1701 138 UNI2-AS, ES
9808 6288 9045 60 CMNET-GD Guangdong Mobile Communication
7545 5713 783 672 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 4891 9260 2215 AMAZON-02, US
4538 4812 4192 74 ERX-CERNET-BKB China Education and Rese
11492 4738 314 720 CABLEONE, US
7155 4030 264 32 VIASAT-SP-BACKBONE, US
22773 3923 2998 246 ASN-CXA-ALL-CCI-22773-RDC, US
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 6382 6244 UNI2-AS, ES
9808 6288 6228 CMNET-GD Guangdong Mobile Communication Co.Ltd.
7545 5713 5041 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4812 4738 ERX-CERNET-BKB China Education and Research Net
47331 7711 4225 TTNET, TR
11492 4738 4018 CABLEONE, US
7155 4030 3998 VIASAT-SP-BACKBONE, US
22773 3923 3677 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3547 3526 VIETEL-AS-AP Viettel Group, VN
7713 3520 3466 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
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
65560 UNALLOCATED 5.180.248.0/23 199290 MOWITEL, ES
65560 UNALLOCATED 5.180.250.0/23 199290 MOWITEL, ES
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, 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
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: 397881 STINGERS, 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 /8:11 /9:12 /10:41 /11:102 /12:291
/13:575 /14:1181 /15:1937 /16:13502 /17:8314 /18:13812
/19:25737 /20:42316 /21:51369 /22:106138 /23:90514 /24:495491
/25:1423 /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 6890 7711 TTNET, TR
12479 5336 6382 UNI2-AS, ES
11492 3793 4738 CABLEONE, US
6327 3157 3352 SHAW, CA
7155 3118 4030 VIASAT-SP-BACKBONE, US
8151 3030 8456 Uninet S.A. de C.V., MX
22773 2961 3923 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3266 ALJAWWALSTC-AS, SA
8551 2650 3186 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2238 2533 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1879 2:1119 3:94 4:19 5:3540 6:64
7:5 8:1502 9:1 11:36 12:1755 13:352
14:2354 15:73 16:15 17:316 18:93 20:130
22:188 23:4579 24:2387 25:2 27:2497 31:2268
32:112 34:3 35:39 36:1282 37:3750 38:2073
39:581 40:151 41:3837 42:922 43:2115 44:239
45:14966 46:3649 47:320 49:1623 50:1746 51:91
52:1204 54:219 55:785 56:6 57:57 58:1746
59:1204 60:883 61:2407 62:2248 63:1964 64:5284
65:2386 66:5132 67:2895 68:1162 69:4053 70:1406
71:686 72:3195 74:2571 75:1483 76:687 77:2009
78:3643 79:2388 80:1842 81:1628 82:1325 83:1112
84:1267 85:3337 86:723 87:1782 88:2697 89:3012
90:427 91:7261 92:1750 93:2558 94:3037 95:4397
96:1253 97:344 98:993 99:971 100:89 101:1048
102:1275 103:25671 104:3693 105:423 106:720 107:2230
108:701 109:3937 110:2009 111:2873 112:1917 113:1644
114:1451 115:1875 116:1888 117:2292 118:2309 119:1890
120:1153 121:1083 122:2314 123:2196 124:1592 125:2100
128:1353 129:946 130:818 131:2031 132:769 133:354
134:1527 135:291 136:735 137:911 138:2301 139:1194
140:729 141:1186 142:1113 143:1270 144:1254 145:331
146:1387 147:1284 148:2199 149:1444 150:783 151:1086
152:1555 153:387 154:2228 155:1351 156:1483 157:1159
158:927 159:2040 160:2073 161:1129 162:3242 163:972
164:1435 165:1330 166:598 167:1774 168:3548 169:662
170:4281 171:762 172:2118 173:2953 174:976 175:1101
176:3047 177:4317 178:2890 179:1951 180:2274 181:2613
182:3202 183:1792 184:2446 185:18033 186:4193 187:3140
188:3298 189:2811 190:8965 191:1484 192:10587 193:7945
194:6536 195:4684 196:2907 197:2329 198:6037 199:5998
200:7425 201:5349 202:10580 203:10119 204:4649 205:3316
206:3522 207:3314 208:3999 209:4630 210:4255 211:2201
212:3669 213:3285 214:1208 215:60 216:6234 217:2520
218:1148 219:701 220:2074 221:977 222:980 223:1858
End of report
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