[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jul 8 18:02:43 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 Jul, 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: 901852
Prefixes after maximum aggregation (per Origin AS): 340057
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 435937
Total ASes present in the Internet Routing Table: 73344
Prefixes per ASN: 12.30
Origin-only ASes present in the Internet Routing Table: 62930
Origin ASes announcing only one prefix: 25891
Transit ASes present in the Internet Routing Table: 10414
Transit-only ASes present in the Internet Routing Table: 398
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 61
Max AS path prepend of ASN ( 37447) 57
Prefixes from unregistered ASNs in the Routing Table: 1002
Number of instances of unregistered ASNs: 1008
Number of 32-bit ASNs allocated by the RIRs: 39756
Number of 32-bit ASNs visible in the Routing Table: 32939
Prefixes from 32-bit ASNs in the Routing Table: 156584
Number of bogon 32-bit ASNs visible in the Routing Table: 29
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 516
Number of addresses announced to Internet: 3062942464
Equivalent to 182 /8s, 144 /16s and 203 /24s
Percentage of available address space announced: 82.7
Percentage of allocated address space announced: 82.7
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: 306465
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 235479
Total APNIC prefixes after maximum aggregation: 66986
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 230596
Unique aggregates announced from the APNIC address blocks: 95547
APNIC Region origin ASes present in the Internet Routing Table: 12769
APNIC Prefixes per ASN: 18.06
APNIC Region origin ASes announcing only one prefix: 3689
APNIC Region transit ASes present in the Internet Routing Table: 1747
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: 7982
Number of APNIC addresses announced to Internet: 773025664
Equivalent to 46 /8s, 19 /16s and 111 /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: 262615
Total ARIN prefixes after maximum aggregation: 120341
ARIN Deaggregation factor: 2.18
Prefixes being announced from the ARIN address blocks: 262826
Unique aggregates announced from the ARIN address blocks: 126769
ARIN Region origin ASes present in the Internet Routing Table: 19008
ARIN Prefixes per ASN: 13.83
ARIN Region origin ASes announcing only one prefix: 6906
ARIN Region transit ASes present in the Internet Routing Table: 1950
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: 4546
Number of ARIN addresses announced to Internet: 1291235840
Equivalent to 76 /8s, 246 /16s and 178 /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: 259218
Total RIPE prefixes after maximum aggregation: 118815
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 256618
Unique aggregates announced from the RIPE address blocks: 152619
RIPE Region origin ASes present in the Internet Routing Table: 28162
RIPE Prefixes per ASN: 9.11
RIPE Region origin ASes announcing only one prefix: 12055
RIPE Region transit ASes present in the Internet Routing Table: 3990
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: 10738
Number of RIPE addresses announced to Internet: 714138240
Equivalent to 42 /8s, 144 /16s and 226 /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: 115591
Total LACNIC prefixes after maximum aggregation: 27662
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 115395
Unique aggregates announced from the LACNIC address blocks: 48761
LACNIC Region origin ASes present in the Internet Routing Table: 10964
LACNIC Prefixes per ASN: 10.52
LACNIC Region origin ASes announcing only one prefix: 2667
LACNIC Region transit ASes present in the Internet Routing Table: 2245
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: 176544256
Equivalent to 10 /8s, 133 /16s and 218 /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: 27947
Total AfriNIC prefixes after maximum aggregation: 5497
AfriNIC Deaggregation factor: 5.08
Prefixes being announced from the AfriNIC address blocks: 35901
Unique aggregates announced from the AfriNIC address blocks: 11808
AfriNIC Region origin ASes present in the Internet Routing Table: 1648
AfriNIC Prefixes per ASN: 21.78
AfriNIC Region origin ASes announcing only one prefix: 574
AfriNIC Region transit ASes present in the Internet Routing Table: 319
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 61
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 978
Number of AfriNIC addresses announced to Internet: 107699200
Equivalent to 6 /8s, 107 /16s and 92 /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 8993 8883 49 CHINAMOBILE-CN China Mobile Communicati
7545 5921 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4714 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3566 1330 19 VIETEL-AS-AP Viettel Group, VN
7713 3512 1042 59 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3426 1880 56 VNPT-AS-VN VNPT Corp, VN
4766 2494 11125 601 KIXS-AS-KR Korea Telecom, KR
9498 2425 499 236 BBIL-AP BHARTI Airtel Ltd., IN
45090 2172 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
4755 2124 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 6784 10396 2686 AMAZON-02, US
11492 4509 299 677 CABLEONE, US
7155 3902 265 32 VIASAT-SP-BACKBONE, US
22773 3874 3068 354 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3470 1788 2509 AKAMAI-AS, US
6327 3438 1319 63 SHAW, CA
749 2991 50739 2249 DNIC-AS-00749, US
30036 2633 375 130 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2510 3343 359 GOOGLE-CLOUD-PLATFORM, US
209 2414 4936 413 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 6861 1730 144 UNI2-AS, ES
9121 6711 1692 17 TTNET, TR
8551 4009 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
39891 4005 234 45 ALJAWWALSTC-AS, SA
20940 3998 3361 206 AKAMAI-ASN1, NL
12389 2934 2287 907 ROSTELECOM-AS, RU
6849 2718 355 21 UKRTELNET, UA
9009 2578 254 1334 M247, GB
34984 2251 358 639 TELLCOM-AS, TR
47331 2069 325 1586 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 10750 3397 556 Uninet S.A. de C.V., MX
10620 3473 514 774 Telmex Colombia S.A., CO
11830 2432 369 64 Instituto Costarricense de Electricidad
13999 1910 314 507 Mega Cable, S.A. de C.V., MX
28573 1360 2329 273 Claro NXT Telecomunicacoes Ltda, BR
6503 1290 338 520 Axtel, S.A.B. de C.V., MX
3816 1262 683 152 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1078 369 21 Telefonica del Peru S.A.A., PE
11664 998 179 459 Techtel LMDS Comunicaciones Interactiva
26615 979 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 1610 393 21 LINKdotNET-AS, EG
24835 1546 521 31 RAYA-AS, EG
36992 1317 1519 271 ETISALAT-MISR, EG
36903 1199 545 114 MT-MPLS, MA
29571 967 65 45 ORANGE-COTE-IVOIRE, CI
36935 789 520 42 Vodafone-, EG
6713 610 1863 34 IAM-AS, MA
15399 518 52 37 WANANCHI-, KE
37342 462 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 10750 3397 556 Uninet S.A. de C.V., MX
9808 8993 8883 49 CHINAMOBILE-CN China Mobile Communicati
12479 6861 1730 144 UNI2-AS, ES
16509 6784 10396 2686 AMAZON-02, US
9121 6711 1692 17 TTNET, TR
7545 5921 787 694 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4714 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4509 299 677 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 8993 8944 CHINAMOBILE-CN China Mobile Communications Grou
12479 6861 6717 UNI2-AS, ES
9121 6711 6694 TTNET, TR
7545 5921 5227 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4714 4639 ERX-CERNET-BKB China Education and Research Net
16509 6784 4098 AMAZON-02, US
8551 4009 3970 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
39891 4005 3960 ALJAWWALSTC-AS, SA
7155 3902 3870 VIASAT-SP-BACKBONE, US
11492 4509 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
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
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
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 /10:40 /11:99 /12:301
/13:591 /14:1204 /15:2060 /16:13516 /17:8302 /18:13841
/19:25052 /20:44312 /21:52161 /22:108817 /23:96509 /24:534227
/25:791 /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 5866 6711 TTNET, TR
12479 5841 6861 UNI2-AS, ES
8151 4495 10750 Uninet S.A. de C.V., MX
8551 3472 4009 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3416 4509 CABLEONE, US
6327 3248 3438 SHAW, CA
39891 3189 4005 ALJAWWALSTC-AS, SA
7155 2991 3902 VIASAT-SP-BACKBONE, US
22773 2892 3874 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)
----------------------------------------------
1:1935 2:1038 3:157 4:5 5:3813 6:109
7:6 8:1569 9:1 11:173 12:1645 13:344
14:2346 15:232 16:44 17:385 18:183 19:1
20:238 21:4 22:188 23:5742 24:2384 25:6
27:2610 29:19 31:2444 32:95 34:7 35:87
36:1802 37:4432 38:3200 39:716 40:152 41:3892
42:1120 43:2220 44:288 45:15980 46:4108 47:328
49:1696 50:1950 51:237 52:1450 54:386 55:851
56:8 57:59 58:1773 59:1164 60:963 61:2272
62:2521 63:1935 64:5543 65:2340 66:4866 67:2951
68:1187 69:4182 70:1323 71:681 72:3022 74:2616
75:1398 76:581 77:2227 78:3927 79:3133 80:1994
81:1770 82:1494 83:1212 84:1335 85:3696 86:731
87:1908 88:2778 89:3314 90:539 91:7619 92:2010
93:2549 94:3475 95:4765 96:1309 97:344 98:1007
99:752 100:76 101:1038 102:2134 103:29365 104:4520
105:468 106:874 107:2551 108:863 109:4310 110:1984
111:3317 112:2030 113:1532 114:1478 115:1996 116:1916
117:2396 118:2307 119:1826 120:1691 121:1080 122:2553
123:2088 124:1598 125:2114 128:1228 129:1063 130:986
131:2020 132:783 133:377 134:1936 135:307 136:894
137:862 138:2461 139:1525 140:894 141:1446 142:1271
143:1410 144:1204 145:353 146:1814 147:1517 148:2213
149:1679 150:862 151:1064 152:1848 153:464 154:3652
155:1436 156:1688 157:1267 158:1038 159:2222 160:2503
161:1271 162:3463 163:1289 164:1639 165:1615 166:764
167:1724 168:3803 169:886 170:4522 171:835 172:3242
173:3112 174:1020 175:1142 176:3565 177:4660 178:3544
179:2151 180:2326 181:3233 182:3259 183:1942 184:2345
185:19611 186:4375 187:3822 188:3968 189:3409 190:8966
191:1487 192:10983 193:8654 194:7071 195:5003 196:2954
197:2421 198:5979 199:6028 200:7596 201:5860 202:10483
203:10054 204:4462 205:3422 206:3708 207:3371 208:4023
209:4649 210:4355 211:2425 212:4051 213:3435 214:1143
215:67 216:6470 217:2639 218:1294 219:573 220:1992
221:964 222:831 223:1994
End of report
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