[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Oct 7 18:02:59 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 08 Oct, 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: 910829
Prefixes after maximum aggregation (per Origin AS): 343738
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 440115
Total ASes present in the Internet Routing Table: 73730
Prefixes per ASN: 12.35
Origin-only ASes present in the Internet Routing Table: 63297
Origin ASes announcing only one prefix: 26022
Transit ASes present in the Internet Routing Table: 10433
Transit-only ASes present in the Internet Routing Table: 407
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 55
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1036
Number of instances of unregistered ASNs: 1038
Number of 32-bit ASNs allocated by the RIRs: 40356
Number of 32-bit ASNs visible in the Routing Table: 33473
Prefixes from 32-bit ASNs in the Routing Table: 161004
Number of bogon 32-bit ASNs visible in the Routing Table: 15
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 496
Number of addresses announced to Internet: 3065356800
Equivalent to 182 /8s, 181 /16s and 162 /24s
Percentage of available address space announced: 82.8
Percentage of allocated address space announced: 82.8
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: 308908
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 238083
Total APNIC prefixes after maximum aggregation: 67736
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 232954
Unique aggregates announced from the APNIC address blocks: 96464
APNIC Region origin ASes present in the Internet Routing Table: 13014
APNIC Prefixes per ASN: 17.90
APNIC Region origin ASes announcing only one prefix: 3756
APNIC Region transit ASes present in the Internet Routing Table: 1758
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 27
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8252
Number of APNIC addresses announced to Internet: 773836672
Equivalent to 46 /8s, 31 /16s and 207 /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: 265816
Total ARIN prefixes after maximum aggregation: 121572
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 266788
Unique aggregates announced from the ARIN address blocks: 128517
ARIN Region origin ASes present in the Internet Routing Table: 19068
ARIN Prefixes per ASN: 13.99
ARIN Region origin ASes announcing only one prefix: 6941
ARIN Region transit ASes present in the Internet Routing Table: 1926
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: 4627
Number of ARIN addresses announced to Internet: 1290885120
Equivalent to 76 /8s, 241 /16s and 88 /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: 261141
Total RIPE prefixes after maximum aggregation: 120009
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 258177
Unique aggregates announced from the RIPE address blocks: 153698
RIPE Region origin ASes present in the Internet Routing Table: 28177
RIPE Prefixes per ASN: 9.16
RIPE Region origin ASes announcing only one prefix: 12023
RIPE Region transit ASes present in the Internet Routing Table: 3990
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 35
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10829
Number of RIPE addresses announced to Internet: 716507264
Equivalent to 42 /8s, 181 /16s and 8 /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: 116340
Total LACNIC prefixes after maximum aggregation: 28059
LACNIC Deaggregation factor: 4.15
Prefixes being announced from the LACNIC address blocks: 115969
Unique aggregates announced from the LACNIC address blocks: 49051
LACNIC Region origin ASes present in the Internet Routing Table: 10985
LACNIC Prefixes per ASN: 10.56
LACNIC Region origin ASes announcing only one prefix: 2704
LACNIC Region transit ASes present in the Internet Routing Table: 2247
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 55
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8742
Number of LACNIC addresses announced to Internet: 175967232
Equivalent to 10 /8s, 125 /16s and 12 /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: 28413
Total AfriNIC prefixes after maximum aggregation: 5585
AfriNIC Deaggregation factor: 5.09
Prefixes being announced from the AfriNIC address blocks: 36445
Unique aggregates announced from the AfriNIC address blocks: 11970
AfriNIC Region origin ASes present in the Internet Routing Table: 1692
AfriNIC Prefixes per ASN: 21.54
AfriNIC Region origin ASes announcing only one prefix: 598
AfriNIC Region transit ASes present in the Internet Routing Table: 325
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 37
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1023
Number of AfriNIC addresses announced to Internet: 107880192
Equivalent to 6 /8s, 110 /16s and 31 /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 9070 8884 50 CHINAMOBILE-CN China Mobile Communicati
7545 5927 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4722 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3584 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3500 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3389 1877 67 VNPT-AS-VN VNPT Corp, VN
4766 2466 11252 600 KIXS-AS-KR Korea Telecom, KR
9498 2456 499 237 BBIL-AP BHARTI Airtel Ltd., IN
24560 2233 851 412 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
45090 2178 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
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 7302 10555 2844 AMAZON-02, US
11492 4566 302 609 CABLEONE, US
7155 3898 265 32 VIASAT-SP-BACKBONE, US
22773 3781 3066 356 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3550 1850 2545 AKAMAI-AS, US
6327 3498 1319 64 SHAW, CA
749 3030 50696 2297 DNIC-AS-00749, US
30036 2600 367 264 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2552 3479 345 GOOGLE-CLOUD-PLATFORM, US
209 2346 4934 391 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
9121 6901 1692 17 TTNET, TR
12479 6876 1730 144 UNI2-AS, ES
20940 4107 3400 184 AKAMAI-ASN1, NL
39891 4010 234 47 ALJAWWALSTC-AS, SA
8551 3989 374 38 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2946 2290 913 ROSTELECOM-AS, RU
9009 2618 252 1344 M247, RO
6849 2534 339 20 UKRTELNET, UA
34984 2252 358 626 TELLCOM-AS, TR
47331 2006 314 1516 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 10847 3334 593 Uninet S.A. de C.V., MX
10620 3472 510 841 Telmex Colombia S.A., CO
11830 2303 369 64 Instituto Costarricense de Electricidad
13999 2051 334 531 Mega Cable, S.A. de C.V., MX
28573 1347 2328 264 Claro NXT Telecomunicacoes Ltda, BR
6503 1288 338 520 Axtel, S.A.B. de C.V., MX
3816 1279 712 149 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1146 369 22 Telefonica del Peru S.A.A., PE
11664 1071 180 462 Techtel LMDS Comunicaciones Interactiva
26615 987 2466 43 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 1567 393 21 LINKdotNET-AS, EG
24835 1512 521 31 RAYA-AS, EG
36992 1345 1519 270 ETISALAT-MISR, EG
36903 1268 550 99 MT-MPLS, MA
29571 1006 68 32 ORANGE-COTE-IVOIRE, CI
36935 812 520 42 Vodafone-, EG
6713 611 1863 34 IAM-AS, MA
15399 524 53 42 WANANCHI-, KE
37342 488 32 1 MOVITEL, MZ
23889 402 232 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 10847 3334 593 Uninet S.A. de C.V., MX
9808 9070 8884 50 CHINAMOBILE-CN China Mobile Communicati
16509 7302 10555 2844 AMAZON-02, US
9121 6901 1692 17 TTNET, TR
12479 6876 1730 144 UNI2-AS, ES
7545 5927 786 695 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4722 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4566 302 609 CABLEONE, US
20940 4107 3400 184 AKAMAI-ASN1, NL
39891 4010 234 47 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 9070 9020 CHINAMOBILE-CN China Mobile Communications Grou
9121 6901 6884 TTNET, TR
12479 6876 6732 UNI2-AS, ES
7545 5927 5232 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4722 4647 ERX-CERNET-BKB China Education and Research Net
16509 7302 4458 AMAZON-02, US
39891 4010 3963 ALJAWWALSTC-AS, SA
11492 4566 3957 CABLEONE, US
8551 3989 3951 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
20940 4107 3923 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
25674 UNALLOCATED 8.12.76.0/24 3356 LEVEL3, US
25674 UNALLOCATED 8.14.115.0/24 3356 LEVEL3, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
25674 UNALLOCATED 8.19.146.0/24 3356 LEVEL3, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
62828 UNALLOCATED 8.21.130.0/24 3356 LEVEL3, US
393266 UNALLOCATED 8.23.52.0/24 46887 LIGHTOWER, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, 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
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
41.57.124.0/24 Origin: 37442 UNASSIGNED
41.57.124.0/24 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 /10:39 /11:100 /12:295
/13:589 /14:1199 /15:2046 /16:13519 /17:8360 /18:13945
/19:25147 /20:44396 /21:52247 /22:109410 /23:97461 /24:541258
/25:789 /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 6045 6901 TTNET, TR
12479 5883 6876 UNI2-AS, ES
8151 4731 10847 Uninet S.A. de C.V., MX
11492 3489 4566 CABLEONE, US
8551 3453 3989 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3307 3498 SHAW, CA
39891 3193 4010 ALJAWWALSTC-AS, SA
7155 2987 3898 VIASAT-SP-BACKBONE, US
22773 2787 3781 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2391 2534 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1900 2:1030 3:166 4:5 5:3916 6:116
7:6 8:1598 9:1 11:173 12:1623 13:337
14:2376 15:266 16:68 17:362 18:330 20:240
21:4 22:188 23:5936 24:2467 25:6 27:2665
29:19 31:2437 32:94 34:7 35:90 36:1865
37:4480 38:3635 39:746 40:159 41:3927 42:1179
43:2265 44:294 45:16184 46:4202 47:384 49:1720
50:1939 51:242 52:1492 54:387 55:850 56:8
57:76 58:1793 59:1161 60:990 61:2374 62:2536
63:1922 64:5616 65:2315 66:4866 67:2956 68:1203
69:4170 70:1309 71:679 72:2991 74:2651 75:1476
76:594 77:2233 78:3958 79:3140 80:2031 81:1790
82:1514 83:1216 84:1420 85:3722 86:735 87:1903
88:2828 89:3422 90:542 91:7564 92:2054 93:2547
94:3533 95:4796 96:1332 97:344 98:1031 99:735
100:77 101:1065 102:2313 103:30216 104:4559 105:473
106:886 107:2542 108:900 109:4331 110:2025 111:3322
112:2044 113:1544 114:1521 115:2004 116:1920 117:2484
118:2324 119:1865 120:1737 121:1073 122:2552 123:2109
124:1563 125:2166 128:1236 129:993 130:970 131:2022
132:829 133:377 134:1901 135:294 136:871 137:889
138:2531 139:1518 140:1079 141:1477 142:1409 143:1395
144:1199 145:347 146:1866 147:1529 148:2248 149:1789
150:877 151:1114 152:1816 153:468 154:3856 155:1424
156:1678 157:1293 158:1045 159:2175 160:2540 161:1360
162:3515 163:1422 164:1683 165:1652 166:787 167:1713
168:3828 169:875 170:4551 171:855 172:3412 173:3106
174:1015 175:1142 176:3619 177:4727 178:3559 179:2130
180:2338 181:3272 182:3232 183:1936 184:2355 185:19771
186:4588 187:3938 188:4031 189:3461 190:8990 191:1446
192:11000 193:8718 194:7152 195:5040 196:2972 197:2459
198:6017 199:6052 200:7664 201:5804 202:10561 203:10035
204:4520 205:3486 206:3882 207:3429 208:4047 209:4739
210:4337 211:2434 212:4036 213:3549 214:1114 215:54
216:6411 217:2622 218:1292 219:570 220:2044 221:923
222:822 223:2042
End of report
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