[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 24 18:02:46 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 25 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: 901886
Prefixes after maximum aggregation (per Origin AS): 339734
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 434702
Total ASes present in the Internet Routing Table: 73325
Prefixes per ASN: 12.30
Origin-only ASes present in the Internet Routing Table: 62911
Origin ASes announcing only one prefix: 25897
Transit ASes present in the Internet Routing Table: 10414
Transit-only ASes present in the Internet Routing Table: 382
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 68
Max AS path prepend of ASN ( 37447) 64
Prefixes from unregistered ASNs in the Routing Table: 915
Number of instances of unregistered ASNs: 920
Number of 32-bit ASNs allocated by the RIRs: 39659
Number of 32-bit ASNs visible in the Routing Table: 32893
Prefixes from 32-bit ASNs in the Routing Table: 156005
Number of bogon 32-bit ASNs visible in the Routing Table: 27
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 486
Number of addresses announced to Internet: 3068808320
Equivalent to 182 /8s, 234 /16s and 76 /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: 306109
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 235788
Total APNIC prefixes after maximum aggregation: 67048
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 230940
Unique aggregates announced from the APNIC address blocks: 95601
APNIC Region origin ASes present in the Internet Routing Table: 12745
APNIC Prefixes per ASN: 18.12
APNIC Region origin ASes announcing only one prefix: 3670
APNIC Region transit ASes present in the Internet Routing Table: 1751
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 32
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7955
Number of APNIC addresses announced to Internet: 773659904
Equivalent to 46 /8s, 29 /16s and 29 /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: 263451
Total ARIN prefixes after maximum aggregation: 120545
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 263700
Unique aggregates announced from the ARIN address blocks: 126879
ARIN Region origin ASes present in the Internet Routing Table: 19034
ARIN Prefixes per ASN: 13.85
ARIN Region origin ASes announcing only one prefix: 6909
ARIN Region transit ASes present in the Internet Routing Table: 1943
Average ARIN Region AS path length visible: 3.8
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4537
Number of ARIN addresses announced to Internet: 1297183744
Equivalent to 77 /8s, 81 /16s and 116 /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: 258616
Total RIPE prefixes after maximum aggregation: 118339
RIPE Deaggregation factor: 2.19
Prefixes being announced from the RIPE address blocks: 255962
Unique aggregates announced from the RIPE address blocks: 151545
RIPE Region origin ASes present in the Internet Routing Table: 28155
RIPE Prefixes per ASN: 9.09
RIPE Region origin ASes announcing only one prefix: 12049
RIPE Region transit ASes present in the Internet Routing Table: 3991
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: 10725
Number of RIPE addresses announced to Internet: 713826944
Equivalent to 42 /8s, 140 /16s and 34 /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: 115227
Total LACNIC prefixes after maximum aggregation: 27600
LACNIC Deaggregation factor: 4.17
Prefixes being announced from the LACNIC address blocks: 115021
Unique aggregates announced from the LACNIC address blocks: 48752
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: 2693
LACNIC Region transit ASes present in the Internet Routing Table: 2233
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8695
Number of LACNIC addresses announced to Internet: 176436736
Equivalent to 10 /8s, 132 /16s and 54 /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: 27889
Total AfriNIC prefixes after maximum aggregation: 5505
AfriNIC Deaggregation factor: 5.07
Prefixes being announced from the AfriNIC address blocks: 35777
Unique aggregates announced from the AfriNIC address blocks: 11513
AfriNIC Region origin ASes present in the Internet Routing Table: 1654
AfriNIC Prefixes per ASN: 21.63
AfriNIC Region origin ASes announcing only one prefix: 576
AfriNIC Region transit ASes present in the Internet Routing Table: 326
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 68
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 981
Number of AfriNIC addresses announced to Internet: 107421696
Equivalent to 6 /8s, 103 /16s and 32 /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 9267 8882 50 CHINAMOBILE-CN China Mobile Communicati
7545 5922 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4715 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3581 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3485 1039 53 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3425 1880 56 VNPT-AS-VN VNPT Corp, VN
4766 2495 11121 601 KIXS-AS-KR Korea Telecom, KR
9498 2422 499 236 BBIL-AP BHARTI Airtel Ltd., IN
45090 2172 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2125 425 216 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 6664 10376 2664 AMAZON-02, US
11492 4507 299 675 CABLEONE, US
7155 3901 264 31 VIASAT-SP-BACKBONE, US
22773 3887 3067 354 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3473 1785 2504 AKAMAI-AS, US
6327 3437 1319 63 SHAW, CA
749 2993 50740 2251 DNIC-AS-00749, US
30036 2624 374 172 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2498 3342 355 GOOGLE-CLOUD-PLATFORM, US
209 2435 4961 416 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 145 UNI2-AS, ES
9121 6741 1692 17 TTNET, TR
8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 4005 234 45 ALJAWWALSTC-AS, SA
20940 3973 3361 205 AKAMAI-ASN1, NL
12389 2942 2289 909 ROSTELECOM-AS, RU
6849 2718 355 21 UKRTELNET, UA
9009 2520 249 1306 M247, GB
34984 2243 357 632 TELLCOM-AS, TR
47331 2080 326 1596 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 10761 3404 554 Uninet S.A. de C.V., MX
10620 3488 517 744 Telmex Colombia S.A., CO
11830 2436 369 64 Instituto Costarricense de Electricidad
13999 1884 307 491 Mega Cable, S.A. de C.V., MX
28573 1374 2330 274 Claro NXT Telecomunicacoes Ltda, BR
6503 1328 347 528 Axtel, S.A.B. de C.V., MX
3816 1260 675 151 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1076 369 21 Telefonica del Peru S.A.A., PE
11664 1031 192 438 Techtel LMDS Comunicaciones Interactiva
26615 967 2454 47 TIM SA, 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 1577 393 19 LINKdotNET-AS, EG
24835 1540 521 31 RAYA-AS, EG
36992 1316 1519 264 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 959 65 57 ORANGE-COTE-IVOIRE, CI
36935 777 520 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 10761 3404 554 Uninet S.A. de C.V., MX
9808 9267 8882 50 CHINAMOBILE-CN China Mobile Communicati
12479 6868 1730 145 UNI2-AS, ES
9121 6741 1692 17 TTNET, TR
16509 6664 10376 2664 AMAZON-02, US
7545 5922 789 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4715 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4507 299 675 CABLEONE, US
8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 4005 234 45 ALJAWWALSTC-AS, SA
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9267 9217 CHINAMOBILE-CN China Mobile Communications Grou
9121 6741 6724 TTNET, TR
12479 6868 6723 UNI2-AS, ES
7545 5922 5227 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4715 4640 ERX-CERNET-BKB China Education and Research Net
16509 6664 4000 AMAZON-02, US
8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 4005 3960 ALJAWWALSTC-AS, SA
7155 3901 3870 VIASAT-SP-BACKBONE, US
11492 4507 3832 CABLEONE, 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 /15:2057 /16:13518 /17:8318 /18:13877
/19:25100 /20:44415 /21:52286 /22:108708 /23:96569 /24:533967
/25:801 /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 5895 6741 TTNET, TR
12479 5847 6868 UNI2-AS, ES
8151 4479 10761 Uninet S.A. de C.V., MX
8551 3473 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3414 4507 CABLEONE, US
6327 3247 3437 SHAW, CA
39891 3189 4005 ALJAWWALSTC-AS, SA
7155 2991 3901 VIASAT-SP-BACKBONE, US
22773 2905 3887 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2576 2718 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1930 2:1044 3:157 4:5 5:3790 6:109
7:6 8:1564 9:1 11:173 12:1647 13:335
14:2341 15:218 16:44 17:385 18:175 20:213
21:4 22:188 23:5717 24:2380 25:6 27:2612
29:19 31:2452 32:95 34:7 35:87 36:1808
37:4423 38:3145 39:713 40:153 41:3906 42:1125
43:2213 44:289 45:15882 46:4134 47:322 49:1695
50:2177 51:237 52:1453 54:382 55:845 56:8
57:58 58:1773 59:1164 60:963 61:2266 62:2500
63:1937 64:5548 65:2337 66:4864 67:2972 68:1188
69:4182 70:1327 71:681 72:3048 74:2652 75:1393
76:579 77:2205 78:3907 79:3126 80:1985 81:1750
82:1497 83:1211 84:1328 85:3682 86:714 87:1919
88:2783 89:3313 90:541 91:7614 92:2010 93:2541
94:3440 95:4766 96:1310 97:350 98:1004 99:752
100:76 101:1278 102:2100 103:29311 104:4470 105:465
106:877 107:2540 108:842 109:4269 110:1989 111:3318
112:2041 113:1531 114:1481 115:1996 116:1916 117:2548
118:2295 119:1837 120:1699 121:1074 122:2544 123:2101
124:1599 125:2113 128:1235 129:1071 130:984 131:2032
132:787 133:377 134:1932 135:278 136:884 137:865
138:2439 139:1524 140:900 141:1442 142:1305 143:1423
144:1207 145:348 146:1817 147:1514 148:2213 149:1753
150:860 151:1074 152:1849 153:461 154:3575 155:1444
156:1691 157:1247 158:1043 159:2214 160:2542 161:1275
162:3460 163:1281 164:1634 165:1616 166:726 167:1723
168:3815 169:871 170:4466 171:837 172:3219 173:3135
174:1021 175:1144 176:3574 177:4663 178:3535 179:2106
180:2294 181:3019 182:3253 183:1958 184:2346 185:19563
186:4305 187:3802 188:3941 189:3392 190:8944 191:1383
192:11023 193:8642 194:7055 195:4963 196:2959 197:2402
198:5994 199:6039 200:7557 201:5870 202:10481 203:10026
204:4537 205:3489 206:3752 207:3397 208:4018 209:4675
210:4358 211:2432 212:4041 213:3404 214:1139 215:65
216:6478 217:2642 218:1291 219:574 220:1946 221:975
222:826 223:2182
End of report
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