[menog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Aug 19 18:03:08 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 20 Aug, 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: 906799
Prefixes after maximum aggregation (per Origin AS): 341924
Deaggregation factor: 2.65
Unique aggregates announced (without unneeded subnets): 438673
Total ASes present in the Internet Routing Table: 73575
Prefixes per ASN: 12.32
Origin-only ASes present in the Internet Routing Table: 63118
Origin ASes announcing only one prefix: 25979
Transit ASes present in the Internet Routing Table: 10457
Transit-only ASes present in the Internet Routing Table: 392
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: 970
Number of instances of unregistered ASNs: 970
Number of 32-bit ASNs allocated by the RIRs: 40018
Number of 32-bit ASNs visible in the Routing Table: 33216
Prefixes from 32-bit ASNs in the Routing Table: 158507
Number of bogon 32-bit ASNs visible in the Routing Table: 12
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 512
Number of addresses announced to Internet: 3070880896
Equivalent to 183 /8s, 9 /16s and 236 /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: 307937
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 236463
Total APNIC prefixes after maximum aggregation: 67388
APNIC Deaggregation factor: 3.51
Prefixes being announced from the APNIC address blocks: 231571
Unique aggregates announced from the APNIC address blocks: 96339
APNIC Region origin ASes present in the Internet Routing Table: 12882
APNIC Prefixes per ASN: 17.98
APNIC Region origin ASes announcing only one prefix: 3733
APNIC Region transit ASes present in the Internet Routing Table: 1764
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8120
Number of APNIC addresses announced to Internet: 773185536
Equivalent to 46 /8s, 21 /16s and 224 /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: 264708
Total ARIN prefixes after maximum aggregation: 120974
ARIN Deaggregation factor: 2.19
Prefixes being announced from the ARIN address blocks: 264954
Unique aggregates announced from the ARIN address blocks: 127622
ARIN Region origin ASes present in the Internet Routing Table: 19052
ARIN Prefixes per ASN: 13.91
ARIN Region origin ASes announcing only one prefix: 6911
ARIN Region transit ASes present in the Internet Routing Table: 1919
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: 4590
Number of ARIN addresses announced to Internet: 1295730432
Equivalent to 77 /8s, 59 /16s and 71 /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: 260394
Total RIPE prefixes after maximum aggregation: 119511
RIPE Deaggregation factor: 2.18
Prefixes being announced from the RIPE address blocks: 257688
Unique aggregates announced from the RIPE address blocks: 153309
RIPE Region origin ASes present in the Internet Routing Table: 28203
RIPE Prefixes per ASN: 9.14
RIPE Region origin ASes announcing only one prefix: 12083
RIPE Region transit ASes present in the Internet Routing Table: 4016
Average RIPE Region AS path length visible: 4.3
Max RIPE Region AS path length visible: 36
Number of RIPE region 32-bit ASNs visible in the Routing Table: 10793
Number of RIPE addresses announced to Internet: 717746048
Equivalent to 42 /8s, 199 /16s and 239 /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: 116175
Total LACNIC prefixes after maximum aggregation: 27773
LACNIC Deaggregation factor: 4.18
Prefixes being announced from the LACNIC address blocks: 115864
Unique aggregates announced from the LACNIC address blocks: 48967
LACNIC Region origin ASes present in the Internet Routing Table: 10980
LACNIC Prefixes per ASN: 10.55
LACNIC Region origin ASes announcing only one prefix: 2668
LACNIC Region transit ASes present in the Internet Routing Table: 2249
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: 8709
Number of LACNIC addresses announced to Internet: 176428800
Equivalent to 10 /8s, 132 /16s and 23 /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: 28088
Total AfriNIC prefixes after maximum aggregation: 5525
AfriNIC Deaggregation factor: 5.08
Prefixes being announced from the AfriNIC address blocks: 36210
Unique aggregates announced from the AfriNIC address blocks: 11999
AfriNIC Region origin ASes present in the Internet Routing Table: 1674
AfriNIC Prefixes per ASN: 21.63
AfriNIC Region origin ASes announcing only one prefix: 584
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: 34
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1004
Number of AfriNIC addresses announced to Internet: 107498752
Equivalent to 6 /8s, 104 /16s and 77 /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 9098 8883 47 CHINAMOBILE-CN China Mobile Communicati
7545 5921 789 700 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4712 4192 75 ERX-CERNET-BKB China Education and Rese
7552 3587 1330 20 VIETEL-AS-AP Viettel Group, VN
7713 3509 1042 61 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3376 1877 67 VNPT-AS-VN VNPT Corp, VN
4766 2492 11123 599 KIXS-AS-KR Korea Telecom, KR
9498 2425 499 238 BBIL-AP BHARTI Airtel Ltd., IN
45090 2181 1438 79 TENCENT-NET-AP Shenzhen Tencent Compute
24560 2170 847 406 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
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 6857 10400 2723 AMAZON-02, US
11492 4532 300 580 CABLEONE, US
7155 3906 265 32 VIASAT-SP-BACKBONE, US
22773 3820 3064 353 ASN-CXA-ALL-CCI-22773-RDC, US
16625 3469 1790 2501 AKAMAI-AS, US
6327 3450 1319 63 SHAW, CA
749 3034 50728 2292 DNIC-AS-00749, US
30036 2603 369 268 MEDIACOM-ENTERPRISE-BUSINESS, US
396982 2528 3387 363 GOOGLE-CLOUD-PLATFORM, US
209 2367 4936 405 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 6873 1730 144 UNI2-AS, ES
9121 6611 1692 17 TTNET, TR
20940 4059 3348 219 AKAMAI-ASN1, NL
39891 4006 234 46 ALJAWWALSTC-AS, SA
8551 3999 374 39 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2941 2290 911 ROSTELECOM-AS, RU
6849 2759 355 21 UKRTELNET, UA
9009 2592 252 1323 M247, GB
34984 2248 358 631 TELLCOM-AS, TR
47331 2062 324 1562 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 10851 3393 556 Uninet S.A. de C.V., MX
10620 3488 515 783 Telmex Colombia S.A., CO
11830 2335 369 64 Instituto Costarricense de Electricidad
13999 1959 318 525 Mega Cable, S.A. de C.V., MX
28573 1359 2328 264 Claro NXT Telecomunicacoes Ltda, BR
6503 1288 338 520 Axtel, S.A.B. de C.V., MX
3816 1272 697 155 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1127 369 21 Telefonica del Peru S.A.A., PE
11664 1051 177 460 Techtel LMDS Comunicaciones Interactiva
26615 976 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
24835 1546 521 31 RAYA-AS, EG
24863 1532 393 21 LINKdotNET-AS, EG
36992 1324 1519 268 ETISALAT-MISR, EG
36903 1268 550 99 MT-MPLS, MA
29571 983 67 46 ORANGE-COTE-IVOIRE, CI
36935 810 520 42 Vodafone-, EG
6713 611 1863 34 IAM-AS, MA
15399 520 52 39 WANANCHI-, KE
37342 481 32 1 MOVITEL, MZ
23889 401 232 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 10851 3393 556 Uninet S.A. de C.V., MX
9808 9098 8883 47 CHINAMOBILE-CN China Mobile Communicati
12479 6873 1730 144 UNI2-AS, ES
16509 6857 10400 2723 AMAZON-02, US
9121 6611 1692 17 TTNET, TR
7545 5921 789 700 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4712 4192 75 ERX-CERNET-BKB China Education and Rese
11492 4532 300 580 CABLEONE, US
20940 4059 3348 219 AKAMAI-ASN1, NL
39891 4006 234 46 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 9098 9051 CHINAMOBILE-CN China Mobile Communications Grou
12479 6873 6729 UNI2-AS, ES
9121 6611 6594 TTNET, TR
7545 5921 5221 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4712 4637 ERX-CERNET-BKB China Education and Research Net
16509 6857 4134 AMAZON-02, US
39891 4006 3960 ALJAWWALSTC-AS, SA
8551 3999 3960 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 4532 3952 CABLEONE, US
7155 3906 3874 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
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
23.128.80.0/24 Origin: 397372 UNASSIGNED
23.128.80.0/24 Transit: 577 BACOM, CA
23.139.184.0/24 Origin: 27408 1371467, CA
23.139.184.0/24 Transit: 24875 NOVOSERVE-AS, NL
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
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 /11:101 /12:303
/13:595 /14:1209 /15:2065 /16:13534 /17:8341 /18:13941
/19:25114 /20:44460 /21:52285 /22:109097 /23:97154 /24:537729
/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
12479 5858 6873 UNI2-AS, ES
9121 5768 6611 TTNET, TR
8151 4580 10851 Uninet S.A. de C.V., MX
8551 3457 3999 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
11492 3447 4532 CABLEONE, US
6327 3261 3450 SHAW, CA
39891 3189 4006 ALJAWWALSTC-AS, SA
7155 2995 3906 VIASAT-SP-BACKBONE, US
22773 2834 3820 ASN-CXA-ALL-CCI-22773-RDC, US
6849 2616 2759 UKRTELNET, UA
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1964 2:1027 3:157 4:5 5:3850 6:114
7:6 8:1587 9:1 11:173 12:1643 13:338
14:2363 15:242 16:45 17:379 18:190 20:243
21:4 22:188 23:5847 24:2418 25:6 27:2614
29:19 31:2415 32:95 34:7 35:87 36:1834
37:4466 38:3413 39:721 40:153 41:3897 42:1145
43:2199 44:291 45:16088 46:4167 47:331 49:1709
50:1957 51:239 52:1460 54:385 55:792 56:8
57:58 58:1796 59:1165 60:974 61:2292 62:2547
63:1926 64:5581 65:2364 66:4868 67:2966 68:1206
69:4155 70:1318 71:682 72:3024 74:2656 75:1405
76:582 77:2246 78:3960 79:3126 80:2021 81:1780
82:1495 83:1217 84:1376 85:3715 86:745 87:1909
88:2810 89:3406 90:547 91:7652 92:2047 93:2546
94:3522 95:4801 96:1301 97:351 98:1021 99:721
100:77 101:1050 102:2239 103:29660 104:4572 105:470
106:887 107:2549 108:879 109:4332 110:2006 111:3332
112:2057 113:1538 114:1485 115:1985 116:1917 117:2454
118:2313 119:1814 120:1791 121:1077 122:2512 123:2075
124:1580 125:2137 128:1243 129:1046 130:1007 131:2049
132:784 133:378 134:1935 135:300 136:853 137:876
138:2508 139:1505 140:936 141:1451 142:1324 143:1396
144:1201 145:341 146:1848 147:1512 148:2218 149:1778
150:859 151:1077 152:1876 153:465 154:3730 155:1456
156:1703 157:1274 158:1037 159:2207 160:2522 161:1331
162:3507 163:1371 164:1634 165:1631 166:786 167:1757
168:3839 169:880 170:4502 171:840 172:3329 173:3133
174:1023 175:1143 176:3638 177:4732 178:3563 179:2181
180:2341 181:3256 182:3238 183:1939 184:2375 185:19637
186:4515 187:3838 188:3988 189:3426 190:8979 191:1437
192:10983 193:8695 194:7103 195:5072 196:2968 197:2426
198:6010 199:6039 200:7640 201:5779 202:10470 203:10022
204:4515 205:3441 206:3758 207:3442 208:4068 209:4716
210:4367 211:2407 212:4042 213:3472 214:1136 215:66
216:6393 217:2622 218:1288 219:574 220:2014 221:951
222:828 223:1988
End of report
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