[cmNOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 17 18:02:36 UTC 2022
This is an automated weekly mailing describing the state of the Global
IPv4 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 https://thyme.apnic.net.
If you have any comments please contact Philip Smith <pfsinoz at gmail.com>.
IPv4 Routing Table Report 04:00 +10GMT Sat 18 Jun, 2022
BGP Table (Global) as seen in Japan.
Report Website: https://thyme.apnic.net
Detailed Analysis: https://thyme.apnic.net/current/
Analysis Summary
----------------
BGP routing table entries examined: 901280
Prefixes after maximum aggregation (per Origin AS): 339608
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 434407
Total ASes present in the Internet Routing Table: 73265
Prefixes per ASN: 12.30
Origin-only ASes present in the Internet Routing Table: 62881
Origin ASes announcing only one prefix: 25823
Transit ASes present in the Internet Routing Table: 10384
Transit-only ASes present in the Internet Routing Table: 373
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 903
Number of instances of unregistered ASNs: 911
Number of 32-bit ASNs allocated by the RIRs: 39608
Number of 32-bit ASNs visible in the Routing Table: 32813
Prefixes from 32-bit ASNs in the Routing Table: 155659
Number of bogon 32-bit ASNs visible in the Routing Table: 30
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 488
Number of addresses announced to Internet: 3068947584
Equivalent to 182 /8s, 236 /16s and 108 /24s
Percentage of available address space announced: 82.9
Percentage of allocated address space announced: 82.9
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.6
Total number of prefixes smaller than registry allocations: 306299
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 235236
Total APNIC prefixes after maximum aggregation: 66890
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 230512
Unique aggregates announced from the APNIC address blocks: 95378
APNIC Region origin ASes present in the Internet Routing Table: 12707
APNIC Prefixes per ASN: 18.14
APNIC Region origin ASes announcing only one prefix: 3653
APNIC Region transit ASes present in the Internet Routing Table: 1748
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7922
Number of APNIC addresses announced to Internet: 773640704
Equivalent to 46 /8s, 28 /16s and 210 /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, 131072-151865
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: 263453
Total ARIN prefixes after maximum aggregation: 120608
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 263539
Unique aggregates announced from the ARIN address blocks: 126882
ARIN Region origin ASes present in the Internet Routing Table: 19046
ARIN Prefixes per ASN: 13.84
ARIN Region origin ASes announcing only one prefix: 6897
ARIN Region transit ASes present in the Internet Routing Table: 1934
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 35
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4531
Number of ARIN addresses announced to Internet: 1297249024
Equivalent to 77 /8s, 82 /16s and 115 /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: 258597
Total RIPE prefixes after maximum aggregation: 118188
RIPE Deaggregation factor: 2.19
Prefixes being announced from the RIPE address blocks: 255969
Unique aggregates announced from the RIPE address blocks: 151443
RIPE Region origin ASes present in the Internet Routing Table: 28138
RIPE Prefixes per ASN: 9.10
RIPE Region origin ASes announcing only one prefix: 12043
RIPE Region transit ASes present in the Internet Routing Table: 3969
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10699
Number of RIPE addresses announced to Internet: 713665664
Equivalent to 42 /8s, 137 /16s and 172 /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: 115279
Total LACNIC prefixes after maximum aggregation: 27717
LACNIC Deaggregation factor: 4.16
Prefixes being announced from the LACNIC address blocks: 115061
Unique aggregates announced from the LACNIC address blocks: 48693
LACNIC Region origin ASes present in the Internet Routing Table: 10977
LACNIC Prefixes per ASN: 10.48
LACNIC Region origin ASes announcing only one prefix: 2663
LACNIC Region transit ASes present in the Internet Routing Table: 2237
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 47
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8690
Number of LACNIC addresses announced to Internet: 176466688
Equivalent to 10 /8s, 132 /16s and 171 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 27812
Total AfriNIC prefixes after maximum aggregation: 5506
AfriNIC Deaggregation factor: 5.05
Prefixes being announced from the AfriNIC address blocks: 35711
Unique aggregates announced from the AfriNIC address blocks: 11598
AfriNIC Region origin ASes present in the Internet Routing Table: 1647
AfriNIC Prefixes per ASN: 21.68
AfriNIC Region origin ASes announcing only one prefix: 567
AfriNIC Region transit ASes present in the Internet Routing Table: 323
Average AfriNIC Region AS path length visible: 5.2
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 971
Number of AfriNIC addresses announced to Internet: 107644416
Equivalent to 6 /8s, 106 /16s and 134 /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 9230 8880 38 CHINAMOBILE-CN China Mobile Communicati
7545 5923 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4716 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3560 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3486 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3430 1880 56 VNPT-AS-VN VNPT Corp, VN
4766 2493 11121 601 KIXS-AS-KR Korea Telecom, KR
9498 2415 499 236 BBIL-AP BHARTI Airtel Ltd., IN
45090 2170 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2129 425 217 TATACOMM-AS TATA Communications formerl
Complete listing at https://thyme.apnic.net/current/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 6655 10378 2719 AMAZON-02, US
11492 4530 300 652 CABLEONE, US
7155 3901 264 31 VIASAT-SP-BACKBONE, US
22773 3888 3067 354 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3454 1801 2513 AKAMAI-AS, US
6327 3440 1319 63 SHAW, CA
749 2964 50743 2220 DNIC-AS-00749, US
30036 2624 374 166 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2475 3342 352 GOOGLE-CLOUD-PLATFORM, US
209 2435 4961 417 CENTURYLINK-US-LEGACY-QWEST, US
Complete listing at https://thyme.apnic.net/current/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 6868 1730 143 UNI2-AS, ES
9121 6746 1692 17 TTNET, TR
39891 4005 234 45 ALJAWWALSTC-AS, SA
8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3972 3361 205 AKAMAI-ASN1, NL
12389 2947 2273 908 ROSTELECOM-AS, RU
6849 2874 355 21 UKRTELNET, UA
9009 2524 249 1313 M247, GB
34984 2244 357 633 TELLCOM-AS, TR
47331 2086 327 1600 TTNET, TR
Complete listing at https://thyme.apnic.net/current/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10735 3401 552 Uninet S.A. de C.V., MX
10620 3488 519 740 Telmex Colombia S.A., CO
11830 2437 369 64 Instituto Costarricense de Electricidad
13999 1873 306 489 Mega Cable, S.A. de C.V., MX
28573 1388 2332 273 Claro NXT Telecomunicacoes Ltda, BR
6503 1369 351 533 Axtel, S.A.B. de C.V., MX
3816 1259 673 150 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1073 369 21 Telefonica del Peru S.A.A., PE
11664 1031 192 438 Techtel LMDS Comunicaciones Interactiva
18881 965 1118 29 TELEFONICA BRASIL S.A, BR
Complete listing at https://thyme.apnic.net/current/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24863 1600 393 19 LINKdotNET-AS, EG
24835 1525 521 31 RAYA-AS, EG
36992 1316 1519 264 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 960 65 64 ORANGE-COTE-IVOIRE, CI
36935 776 520 42 Vodafone-, EG
6713 611 1863 34 IAM-AS, MA
15399 519 52 37 WANANCHI-, KE
37342 464 32 1 MOVITEL, MZ
23889 423 232 16 MauritiusTelecom, MU
Complete listing at https://thyme.apnic.net/current/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 10735 3401 552 Uninet S.A. de C.V., MX
9808 9230 8880 38 CHINAMOBILE-CN China Mobile Communicati
12479 6868 1730 143 UNI2-AS, ES
9121 6746 1692 17 TTNET, TR
16509 6655 10378 2719 AMAZON-02, US
7545 5923 789 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4716 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4530 300 652 CABLEONE, US
39891 4005 234 45 ALJAWWALSTC-AS, SA
8551 4001 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9230 9192 CHINAMOBILE-CN China Mobile Communications Grou
9121 6746 6729 TTNET, TR
12479 6868 6725 UNI2-AS, ES
7545 5923 5229 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4716 4641 ERX-CERNET-BKB China Education and Research Net
8551 4001 3962 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 4005 3960 ALJAWWALSTC-AS, SA
16509 6655 3936 AMAZON-02, US
11492 4530 3878 CABLEONE, US
7155 3901 3870 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
398083 UNALLOCATED 5.133.124.0/24 399587 UT, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
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 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 6461 ZAYO-6461, US
18798 UNALLOCATED 8.40.106.0/24 6461 ZAYO-6461, US
394856 UNALLOCATED 8.40.216.0/24 3356 LEVEL3, US
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
Complete listing at https://thyme.apnic.net/current/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 6939 HURRICANE, US
Complete listing at https://thyme.apnic.net/current/data-spar
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.166.208.0/24 Origin: 398906 LUFTCLOUD-ASN-01, US
23.166.208.0/24 Transit: 132132 REPUBLICTELECOM-SG MyRepublic Ltd., SG
27.100.7.0/24 Origin: 56096 UNASSIGNED
27.100.7.0/24 Transit: 45455 TH-2S1N-AP Two S One N Co Ltd, Internet
41.57.124.0/22 Origin: 37442 UNASSIGNED
41.57.124.0/22 Transit: 37204 TELONE, ZW
41.57.124.0/23 Origin: 37442 UNASSIGNED
41.57.124.0/23 Transit: 37204 TELONE, ZW
Complete listing at https://thyme.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 /11:100 /12:301
/13:592 /14:1207 /15:2049 /16:13507 /17:8308 /18:13835
/19:25093 /20:44428 /21:52314 /22:108735 /23:96638 /24:533301
/25:802 /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
9121 5900 6746 TTNET, TR
12479 5847 6868 UNI2-AS, ES
8151 4450 10735 Uninet S.A. de C.V., MX
8551 3467 4001 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3433 4530 CABLEONE, US
6327 3250 3440 SHAW, CA
39891 3189 4005 ALJAWWALSTC-AS, SA
7155 2991 3901 VIASAT-SP-BACKBONE, US
22773 2906 3888 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2730 2874 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1939 2:1024 3:157 4:6 5:3793 6:108
7:6 8:1593 9:1 11:173 12:1648 13:333
14:2341 15:211 16:42 17:386 18:174 20:213
21:4 22:188 23:5677 24:2376 25:6 27:2613
29:19 31:2444 32:95 34:5 35:87 36:1797
37:4455 38:3052 39:712 40:153 41:3903 42:1122
43:2210 44:291 45:15870 46:4160 47:322 49:1692
50:2176 51:236 52:1442 54:381 55:802 56:8
57:58 58:1771 59:1163 60:962 61:2272 62:2500
63:1943 64:5546 65:2341 66:4867 67:2967 68:1195
69:4181 70:1328 71:681 72:3051 74:2652 75:1393
76:581 77:2212 78:3917 79:3121 80:1998 81:1754
82:1499 83:1213 84:1326 85:3679 86:711 87:1921
88:2780 89:3347 90:541 91:7629 92:2017 93:2556
94:3455 95:4782 96:1311 97:351 98:1003 99:747
100:77 101:1045 102:2125 103:29221 104:4486 105:468
106:875 107:2532 108:847 109:4268 110:1993 111:3311
112:2042 113:1535 114:1476 115:1958 116:1910 117:2527
118:2321 119:1837 120:1700 121:1073 122:2543 123:2094
124:1600 125:2114 128:1232 129:1074 130:980 131:2032
132:779 133:378 134:1923 135:278 136:876 137:862
138:2427 139:1529 140:894 141:1428 142:1291 143:1437
144:1208 145:349 146:1825 147:1512 148:2211 149:1748
150:859 151:1074 152:1841 153:460 154:3567 155:1439
156:1725 157:1243 158:1048 159:2209 160:2541 161:1275
162:3462 163:1276 164:1625 165:1612 166:726 167:1722
168:3806 169:868 170:4435 171:831 172:3214 173:3137
174:1016 175:1130 176:3569 177:4652 178:3553 179:2092
180:2295 181:3003 182:3250 183:1957 184:2367 185:19564
186:4294 187:3829 188:3932 189:3343 190:8905 191:1352
192:11012 193:8620 194:7037 195:4953 196:2943 197:2389
198:5986 199:6035 200:7558 201:5839 202:10496 203:10018
204:4544 205:3449 206:3755 207:3399 208:4020 209:4700
210:4368 211:2433 212:4044 213:3406 214:1143 215:66
216:6498 217:2670 218:1293 219:573 220:1944 221:1008
222:825 223:2160
End of report
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