[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Apr 8 18:03:05 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 09 Apr, 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: 894824
Prefixes after maximum aggregation (per Origin AS): 337152
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 429719
Total ASes present in the Internet Routing Table: 72959
Prefixes per ASN: 12.26
Origin-only ASes present in the Internet Routing Table: 62615
Origin ASes announcing only one prefix: 25724
Transit ASes present in the Internet Routing Table: 10344
Transit-only ASes present in the Internet Routing Table: 368
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 65
Max AS path prepend of ASN (267602) 58
Prefixes from unregistered ASNs in the Routing Table: 818
Number of instances of unregistered ASNs: 823
Number of 32-bit ASNs allocated by the RIRs: 39036
Number of 32-bit ASNs visible in the Routing Table: 32430
Prefixes from 32-bit ASNs in the Routing Table: 152520
Number of bogon 32-bit ASNs visible in the Routing Table: 25
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 459
Number of addresses announced to Internet: 3067445760
Equivalent to 182 /8s, 213 /16s and 130 /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: 99.5
Total number of prefixes smaller than registry allocations: 303742
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 234530
Total APNIC prefixes after maximum aggregation: 66511
APNIC Deaggregation factor: 3.53
Prefixes being announced from the APNIC address blocks: 229401
Unique aggregates announced from the APNIC address blocks: 94455
APNIC Region origin ASes present in the Internet Routing Table: 12538
APNIC Prefixes per ASN: 18.30
APNIC Region origin ASes announcing only one prefix: 3557
APNIC Region transit ASes present in the Internet Routing Table: 1724
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 7736
Number of APNIC addresses announced to Internet: 774015360
Equivalent to 46 /8s, 34 /16s and 137 /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: 260506
Total ARIN prefixes after maximum aggregation: 119722
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 260466
Unique aggregates announced from the ARIN address blocks: 124224
ARIN Region origin ASes present in the Internet Routing Table: 18997
ARIN Prefixes per ASN: 13.71
ARIN Region origin ASes announcing only one prefix: 6893
ARIN Region transit ASes present in the Internet Routing Table: 1951
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: 4427
Number of ARIN addresses announced to Internet: 1295152640
Equivalent to 77 /8s, 50 /16s and 118 /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: 256731
Total RIPE prefixes after maximum aggregation: 117238
RIPE Deaggregation factor: 2.19
Prefixes being announced from the RIPE address blocks: 254134
Unique aggregates announced from the RIPE address blocks: 150682
RIPE Region origin ASes present in the Internet Routing Table: 28118
RIPE Prefixes per ASN: 9.04
RIPE Region origin ASes announcing only one prefix: 12060
RIPE Region transit ASes present in the Internet Routing Table: 3973
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 28
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10674
Number of RIPE addresses announced to Internet: 713988480
Equivalent to 42 /8s, 142 /16s and 153 /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: 114514
Total LACNIC prefixes after maximum aggregation: 27586
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 114425
Unique aggregates announced from the LACNIC address blocks: 48270
LACNIC Region origin ASes present in the Internet Routing Table: 10948
LACNIC Prefixes per ASN: 10.45
LACNIC Region origin ASes announcing only one prefix: 2649
LACNIC Region transit ASes present in the Internet Routing Table: 2203
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 65
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8639
Number of LACNIC addresses announced to Internet: 176332544
Equivalent to 10 /8s, 130 /16s and 159 /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: 27725
Total AfriNIC prefixes after maximum aggregation: 5450
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 35939
Unique aggregates announced from the AfriNIC address blocks: 11688
AfriNIC Region origin ASes present in the Internet Routing Table: 1622
AfriNIC Prefixes per ASN: 22.16
AfriNIC Region origin ASes announcing only one prefix: 565
AfriNIC Region transit ASes present in the Internet Routing Table: 331
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 34
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 954
Number of AfriNIC addresses announced to Internet: 107700224
Equivalent to 6 /8s, 107 /16s and 96 /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 9157 8884 44 CHINAMOBILE-CN China Mobile Communicati
7545 5902 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4715 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3590 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3500 1038 51 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3434 1880 56 VNPT-AS-VN VNPT Corp, VN
4766 2497 11121 601 KIXS-AS-KR Korea Telecom, KR
9498 2392 491 238 BBIL-AP BHARTI Airtel Ltd., IN
45090 2161 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2115 429 197 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 6159 10260 2671 AMAZON-02, US
11492 4463 296 710 CABLEONE, US
22773 3932 3060 365 ASN-CXA-ALL-CCI-22773-RDC, US
7155 3900 264 31 VIASAT-SP-BACKBONE, US
16625 3636 1871 2560 AKAMAI-AS, US
6327 3431 1318 62 SHAW, CA
749 2882 50780 2138 DNIC-AS-00749, US
30036 2614 374 124 MEDIACOM-ENTERPRISE-BUSINESS, US
209 2519 4962 423 CENTURYLINK-US-LEGACY-QWEST, US
20115 2256 3042 495 CHARTER-20115, 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 6807 1730 149 UNI2-AS, ES
9121 6724 1692 17 TTNET, TR
8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3933 3360 201 AKAMAI-ASN1, NL
39891 3819 220 34 ALJAWWALSTC-AS, SA
12389 2959 2274 909 ROSTELECOM-AS, RU
6849 2758 355 21 UKRTELNET, UA
9009 2474 247 1283 M247, GB
34984 2221 356 623 TELLCOM-AS, TR
47331 2085 328 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 10531 3391 558 Uninet S.A. de C.V., MX
10620 3461 517 764 Telmex Colombia S.A., CO
11830 2430 369 63 Instituto Costarricense de Electricidad
13999 1736 294 471 Mega Cable, S.A. de C.V., MX
6503 1446 354 523 Axtel, S.A.B. de C.V., MX
28573 1395 2333 253 CLARO S.A., BR
3816 1255 667 147 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1084 369 21 Telefonica del Peru S.A.A., PE
11664 1007 192 448 Techtel LMDS Comunicaciones Interactiva
11172 960 133 63 Alestra, S. de R.L. de C.V., MX
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 1629 393 21 LINKdotNET-AS, EG
24835 1473 523 33 RAYA-AS, EG
36992 1314 1519 263 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 902 65 58 ORANGE-COTE-IVOIRE, CI
36935 771 520 42 Vodafone-, EG
6713 612 1863 34 IAM-AS, MA
15399 518 51 34 WANANCHI-, KE
37342 469 32 1 MOVITEL, MZ
23889 424 232 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 10531 3391 558 Uninet S.A. de C.V., MX
9808 9157 8884 44 CHINAMOBILE-CN China Mobile Communicati
12479 6807 1730 149 UNI2-AS, ES
9121 6724 1692 17 TTNET, TR
16509 6159 10260 2671 AMAZON-02, US
7545 5902 789 699 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4715 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4463 296 710 CABLEONE, US
8551 4003 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
20940 3933 3360 201 AKAMAI-ASN1, NL
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9157 9113 CHINAMOBILE-CN China Mobile Communications Grou
9121 6724 6707 TTNET, TR
12479 6807 6658 UNI2-AS, ES
7545 5902 5203 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4715 4640 ERX-CERNET-BKB China Education and Research Net
8551 4003 3964 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
7155 3900 3869 VIASAT-SP-BACKBONE, US
39891 3819 3785 ALJAWWALSTC-AS, SA
11492 4463 3753 CABLEONE, US
20940 3933 3732 AKAMAI-ASN1, NL
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
395438 UNALLOCATED 8.42.206.0/24 3356 LEVEL3, US
395056 UNALLOCATED 8.45.133.0/24 3356 LEVEL3, US
32306 UNALLOCATED 8.46.80.0/24 33652 CMCS, 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
5.42.192.0/24 Origin: 50340 SELECTEL-MSK, RU
5.42.192.0/24 Transit: 20485 TRANSTELECOM Moscow, Russia, RU
5.42.197.0/24 Origin: 39605 IGUANESOLUTIONS, FR
5.42.197.0/24 Transit: 1299 TWELVE99 Arelion, fka Telia Carrier, SE
5.42.211.0/24 Origin: 49392 ASBAXETN, RU
5.42.211.0/24 Transit: 39238 OKBPROGRESS Moscow, Russia, RU
5.42.212.0/24 Origin: 49392 ASBAXETN, RU
5.42.212.0/24 Transit: 39238 OKBPROGRESS Moscow, Russia, RU
5.42.213.0/24 Origin: 49392 ASBAXETN, RU
5.42.213.0/24 Transit: 39238 OKBPROGRESS Moscow, Russia, RU
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 /10:40 /11:102 /12:307
/13:588 /14:1205 /15:2054 /16:13531 /17:8255 /18:13880
/19:25188 /20:43365 /21:52257 /22:108366 /23:95757 /24:529086
/25:814 /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 5879 6724 TTNET, TR
12479 5790 6807 UNI2-AS, ES
8151 4189 10531 Uninet S.A. de C.V., MX
8551 3476 4003 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3371 4463 CABLEONE, US
6327 3243 3431 SHAW, CA
39891 3131 3819 ALJAWWALSTC-AS, SA
7155 2990 3900 VIASAT-SP-BACKBONE, US
22773 2932 3932 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2620 2758 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1846 2:1037 3:154 4:7 5:3807 6:103
7:5 8:1563 9:1 11:172 12:1711 13:282
14:2387 15:191 16:44 17:381 18:148 20:194
21:4 22:188 23:5596 24:2289 25:4 27:2593
29:19 31:2442 32:96 34:1 35:73 36:1757
37:4423 38:2739 39:719 40:151 41:3923 42:1000
43:2165 44:293 45:16040 46:4136 47:339 49:1677
50:1920 51:100 52:1409 53:1 54:363 55:708
56:8 57:58 58:1804 59:1202 60:955 61:2269
62:2493 63:1950 64:5516 65:2302 66:4834 67:2975
68:1178 69:4157 70:1339 71:658 72:3062 74:2666
75:1388 76:588 77:2149 78:3904 79:3110 80:1982
81:1747 82:1481 83:1199 84:1364 85:3651 86:714
87:1961 88:2734 89:3287 90:524 91:7617 92:1989
93:2586 94:3456 95:4779 96:1310 97:348 98:988
99:739 100:74 101:1031 102:2024 103:28834 104:4368
105:466 106:854 107:2511 108:826 109:4221 110:2079
111:3297 112:2033 113:1522 114:1485 115:1952 116:1902
117:2520 118:2271 119:1866 120:1681 121:1064 122:2560
123:2120 124:1594 125:2116 128:1211 129:1220 130:922
131:2074 132:767 133:373 134:1930 135:289 136:838
137:875 138:2447 139:1493 140:858 141:1411 142:1288
143:1487 144:1240 145:342 146:1804 147:1497 148:2218
149:1701 150:855 151:1079 152:1834 153:459 154:3526
155:1432 156:1852 157:1234 158:1026 159:2081 160:2463
161:1325 162:3437 163:1246 164:1635 165:1611 166:703
167:1716 168:3751 169:711 170:4434 171:825 172:3108
173:3086 174:1017 175:1128 176:3455 177:4622 178:3454
179:2012 180:2278 181:2944 182:3243 183:1942 184:2388
185:19498 186:4368 187:3642 188:3877 189:3175 190:8907
191:1304 192:10990 193:8575 194:6950 195:4970 196:2966
197:2405 198:6030 199:6021 200:7495 201:5681 202:10504
203:10024 204:4546 205:3382 206:3767 207:3401 208:4048
209:4665 210:4263 211:2450 212:4013 213:3425 214:1155
215:67 216:6426 217:2660 218:1261 219:569 220:1947
221:980 222:844 223:2145
End of report
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