[afnog] Weekly Routing Table Report
Routing Analysis Role Account
cscora at apnic.net
Fri Jun 18 18:02:41 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 19 Jun, 2021
Report Website: http://thyme.rand.apnic.net
Detailed Analysis: http://thyme.rand.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 854865
Prefixes after maximum aggregation (per Origin AS): 322720
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 410094
Total ASes present in the Internet Routing Table: 71458
Prefixes per ASN: 11.96
Origin-only ASes present in the Internet Routing Table: 61456
Origin ASes announcing only one prefix: 25403
Transit ASes present in the Internet Routing Table: 10002
Transit-only ASes present in the Internet Routing Table: 321
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 54
Max AS path prepend of ASN ( 48366) 51
Prefixes from unregistered ASNs in the Routing Table: 1081
Number of instances of unregistered ASNs: 1087
Number of 32-bit ASNs allocated by the RIRs: 36367
Number of 32-bit ASNs visible in the Routing Table: 30240
Prefixes from 32-bit ASNs in the Routing Table: 140421
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: 544
Number of addresses announced to Internet: 3040562176
Equivalent to 181 /8s, 59 /16s and 76 /24s
Percentage of available address space announced: 82.1
Percentage of allocated address space announced: 82.1
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: 285145
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 229740
Total APNIC prefixes after maximum aggregation: 65604
APNIC Deaggregation factor: 3.50
Prefixes being announced from the APNIC address blocks: 225492
Unique aggregates announced from the APNIC address blocks: 90146
APNIC Region origin ASes present in the Internet Routing Table: 11650
APNIC Prefixes per ASN: 19.36
APNIC Region origin ASes announcing only one prefix: 3345
APNIC Region transit ASes present in the Internet Routing Table: 1651
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 6824
Number of APNIC addresses announced to Internet: 775044224
Equivalent to 46 /8s, 50 /16s and 60 /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, 131072-147769
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: 248896
Total ARIN prefixes after maximum aggregation: 113772
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 248952
Unique aggregates announced from the ARIN address blocks: 118558
ARIN Region origin ASes present in the Internet Routing Table: 18838
ARIN Prefixes per ASN: 13.22
ARIN Region origin ASes announcing only one prefix: 6832
ARIN Region transit ASes present in the Internet Routing Table: 1953
Average ARIN Region AS path length visible: 3.9
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 3931
Number of ARIN addresses announced to Internet: 1271151360
Equivalent to 75 /8s, 196 /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: 238357
Total RIPE prefixes after maximum aggregation: 111116
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 234500
Unique aggregates announced from the RIPE address blocks: 142955
RIPE Region origin ASes present in the Internet Routing Table: 27977
RIPE Prefixes per ASN: 8.38
RIPE Region origin ASes announcing only one prefix: 12029
RIPE Region transit ASes present in the Internet Routing Table: 3890
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 54
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10241
Number of RIPE addresses announced to Internet: 710601856
Equivalent to 42 /8s, 90 /16s and 236 /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: 111032
Total LACNIC prefixes after maximum aggregation: 26417
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 112189
Unique aggregates announced from the LACNIC address blocks: 47083
LACNIC Region origin ASes present in the Internet Routing Table: 10774
LACNIC Prefixes per ASN: 10.41
LACNIC Region origin ASes announcing only one prefix: 2684
LACNIC Region transit ASes present in the Internet Routing Table: 2048
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 29
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8420
Number of LACNIC addresses announced to Internet: 175838208
Equivalent to 10 /8s, 123 /16s and 20 /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: 25758
Total AfriNIC prefixes after maximum aggregation: 5073
AfriNIC Deaggregation factor: 5.08
Prefixes being announced from the AfriNIC address blocks: 33188
Unique aggregates announced from the AfriNIC address blocks: 10868
AfriNIC Region origin ASes present in the Internet Routing Table: 1482
AfriNIC Prefixes per ASN: 22.39
AfriNIC Region origin ASes announcing only one prefix: 513
AfriNIC Region transit ASes present in the Internet Routing Table: 301
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 824
Number of AfriNIC addresses announced to Internet: 107490048
Equivalent to 6 /8s, 104 /16s and 43 /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 7564 8999 55 CMNET-GD Guangdong Mobile Communication
7545 5799 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4758 4192 74 ERX-CERNET-BKB China Education and Rese
7713 3529 1023 56 TELKOMNET-AS-AP PT Telekomunikasi Indon
7552 3512 1330 20 VIETEL-AS-AP Viettel Group, VN
45899 2812 1896 54 VNPT-AS-VN VNPT Corp, VN
4766 2430 11104 564 KIXS-AS-KR Korea Telecom, KR
9498 2353 483 246 BBIL-AP BHARTI Airtel Ltd., IN
45090 2114 1197 71 CNNIC-TENCENT-NET-AP Shenzhen Tencent C
4755 2110 437 190 TATACOMM-AS TATA Communications formerl
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 5160 9381 2280 AMAZON-02, US
11492 4771 314 654 CABLEONE, US
7155 4027 264 32 VIASAT-SP-BACKBONE, US
22773 3943 3005 252 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3491 1792 2442 AKAMAI-AS, US
6327 3361 1317 69 SHAW, CA
30036 2577 372 134 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2544 5034 477 CENTURYLINK-US-LEGACY-QWEST, US
5972 2251 453 785 DNIC-ASBLK-05800-06055, US
20115 2168 2929 491 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 6728 1721 143 UNI2-AS, ES
20940 3655 3347 205 AKAMAI-ASN1, NL
39891 3266 187 22 ALJAWWALSTC-AS, SA
8551 3067 378 40 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2912 2283 897 ROSTELECOM-AS, RU
9009 2455 258 1319 M247, GB
34984 2205 355 592 TELLCOM-AS, TR
61317 1647 267 801 ASDETUK http://www.heficed.com, GB
13188 1610 100 27 TRIOLAN, UA
58224 1602 887 560 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 8633 3417 582 Uninet S.A. de C.V., MX
10620 3414 526 629 Telmex Colombia S.A., CO
11830 2509 369 62 Instituto Costarricense de Electricidad
13999 1741 430 450 Mega Cable, S.A. de C.V., MX
6503 1450 311 476 Axtel, S.A.B. de C.V., MX
28573 1391 2283 231 CLARO S.A., BR
3816 1239 650 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1118 374 31 Telefonica del Peru S.A.A., PE
11664 1010 208 420 Techtel LMDS Comunicaciones Interactiva
11172 963 111 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 1632 393 22 LINKdotNET-AS, EG
24835 1430 454 27 RAYA-AS, EG
36992 1304 1489 266 ETISALAT-MISR, EG
36903 1183 537 110 MT-MPLS, MA
29571 746 68 12 ORANGE-COTE-IVOIRE, CI
6713 612 1863 34 IAM-AS, MA
15399 494 49 25 WANANCHI-, KE
37342 484 32 1 MOVITEL, MZ
36914 417 82 3 KENET-AS, KE
36935 378 519 37 Vodafone-, EG
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 8633 3417 582 Uninet S.A. de C.V., MX
9808 7564 8999 55 CMNET-GD Guangdong Mobile Communication
12479 6728 1721 143 UNI2-AS, ES
7545 5799 783 674 TPG-INTERNET-AP TPG Telecom Limited, AU
16509 5160 9381 2280 AMAZON-02, US
11492 4771 314 654 CABLEONE, US
4538 4758 4192 74 ERX-CERNET-BKB China Education and Rese
7155 4027 264 32 VIASAT-SP-BACKBONE, US
22773 3943 3005 252 ASN-CXA-ALL-CCI-22773-RDC, US
20940 3655 3347 205 AKAMAI-ASN1, NL
Complete listing at http://thyme.rand.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 7564 7509 CMNET-GD Guangdong Mobile Communication Co.Ltd.
12479 6728 6585 UNI2-AS, ES
7545 5799 5125 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4758 4684 ERX-CERNET-BKB China Education and Research Net
11492 4771 4117 CABLEONE, US
7155 4027 3995 VIASAT-SP-BACKBONE, US
22773 3943 3691 ASN-CXA-ALL-CCI-22773-RDC, US
7552 3512 3492 VIETEL-AS-AP Viettel Group, VN
7713 3529 3473 TELKOMNET-AS-AP PT Telekomunikasi Indonesia, ID
20940 3655 3450 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
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
394936 UNALLOCATED 8.33.224.0/24 174 COGENT-174, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
23061 UNALLOCATED 8.39.119.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
40544 UNALLOCATED 12.0.33.0/24 6461 ZAYO-6461, 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: 209319 IPV6ROUTING, US
Transit: 46573 LAYER-HOST, US
23.162.32.0/24 Origin: 32444 SAFELINK-MV, US
Transit: 6939 HURRICANE, 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 /8:16 /9:13 /10:41 /11:102 /12:306
/13:587 /14:1193 /15:1996 /16:13472 /17:8329 /18:13953
/19:25402 /20:42323 /21:50229 /22:106651 /23:91270 /24:497617
/25:1365 /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 5691 6728 UNI2-AS, ES
11492 3809 4771 CABLEONE, US
8151 3200 8633 Uninet S.A. de C.V., MX
6327 3167 3361 SHAW, CA
7155 3115 4027 VIASAT-SP-BACKBONE, US
22773 2966 3943 ASN-CXA-ALL-CCI-22773-RDC, US
39891 2801 3266 ALJAWWALSTC-AS, SA
8551 2532 3067 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
30036 2245 2577 MEDIACOM-ENTERPRISE-BUSINESS, US
11830 1933 2509 Instituto Costarricense de Electricidad y Telec
Complete listing at http://thyme.rand.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1881 2:1166 3:142 4:19 5:3547 6:74
7:5 8:1526 9:1 11:164 12:1738 13:360
14:2293 15:82 16:16 17:323 18:93 20:128
21:1 22:188 23:4797 24:2432 25:2 27:2545
29:19 31:2311 32:109 34:1 35:41 36:1591
37:3772 38:2167 39:624 40:160 41:3798 42:972
43:2072 44:258 45:14994 46:3712 47:382 49:1614
50:1799 51:100 52:1236 54:222 55:703 56:9
57:52 58:1722 59:1201 60:930 61:2313 62:2304
63:1969 64:5367 65:2376 66:5043 67:2889 68:1167
69:4080 70:1385 71:681 72:3167 74:2595 75:1490
76:697 77:2026 78:1710 79:2329 80:1863 81:1507
82:1371 83:1144 84:1290 85:2720 86:701 87:1806
88:967 89:3020 90:493 91:7351 92:1787 93:2553
94:3103 95:3527 96:1297 97:343 98:972 99:969
100:93 101:1038 102:1468 103:26167 104:3772 105:426
106:793 107:2241 108:720 109:3929 110:2008 111:3188
112:1912 113:1506 114:1447 115:1913 116:1892 117:2350
118:2370 119:1903 120:1449 121:1069 122:2528 123:2168
124:1591 125:2079 128:1309 129:1254 130:864 131:2035
132:746 133:360 134:1612 135:298 136:762 137:937
138:2372 139:1187 140:751 141:1185 142:1202 143:1307
144:1252 145:330 146:1459 147:1342 148:2197 149:1452
150:816 151:1076 152:1518 153:413 154:2671 155:1318
156:1543 157:1192 158:913 159:2021 160:2329 161:1183
162:3330 163:1007 164:1539 165:1383 166:610 167:1776
168:3652 169:706 170:4306 171:776 172:2440 173:2974
174:990 175:1085 176:3163 177:4358 178:2920 179:1881
180:2272 181:2636 182:3197 183:2083 184:2420 185:18366
186:4200 187:3097 188:3308 189:2917 190:8851 191:1421
192:10708 193:8217 194:6650 195:4772 196:2877 197:2345
198:6060 199:6027 200:7456 201:5284 202:10555 203:10094
204:4645 205:3360 206:3557 207:3402 208:4006 209:4691
210:4257 211:2260 212:3686 213:3493 214:1216 215:60
216:6254 217:2574 218:1202 219:709 220:2069 221:961
222:880 223:1934
End of report
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