[afnog] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri May 12 18:03:40 UTC 2023
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 13 May, 2023
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: 922283
Prefixes after maximum aggregation (per Origin AS): 349580
Deaggregation factor: 2.64
Unique aggregates announced (without unneeded subnets): 449017
Total ASes present in the Internet Routing Table: 74436
Prefixes per ASN: 12.39
Origin-only ASes present in the Internet Routing Table: 63869
Origin ASes announcing only one prefix: 26242
Transit ASes present in the Internet Routing Table: 10567
Transit-only ASes present in the Internet Routing Table: 431
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: 1095
Number of instances of unregistered ASNs: 1095
Number of 32-bit ASNs allocated by the RIRs: 41848
Number of 32-bit ASNs visible in the Routing Table: 34589
Prefixes from 32-bit ASNs in the Routing Table: 171578
Number of bogon 32-bit ASNs visible in the Routing Table: 13
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 633
Number of addresses announced to Internet: 3057963648
Equivalent to 182 /8s, 68 /16s and 210 /24s
Percentage of available address space announced: 82.6
Percentage of allocated address space announced: 82.6
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: 308163
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 244341
Total APNIC prefixes after maximum aggregation: 69435
APNIC Deaggregation factor: 3.52
Prefixes being announced from the APNIC address blocks: 238480
Unique aggregates announced from the APNIC address blocks: 98015
APNIC Region origin ASes present in the Internet Routing Table: 13438
APNIC Prefixes per ASN: 17.75
APNIC Region origin ASes announcing only one prefix: 3959
APNIC Region transit ASes present in the Internet Routing Table: 1801
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 26
Number of APNIC region 32-bit ASNs visible in the Routing Table: 8741
Number of APNIC addresses announced to Internet: 773569024
Equivalent to 46 /8s, 27 /16s and 186 /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: 269926
Total ARIN prefixes after maximum aggregation: 122606
ARIN Deaggregation factor: 2.20
Prefixes being announced from the ARIN address blocks: 272521
Unique aggregates announced from the ARIN address blocks: 130293
ARIN Region origin ASes present in the Internet Routing Table: 19109
ARIN Prefixes per ASN: 14.26
ARIN Region origin ASes announcing only one prefix: 6979
ARIN Region transit ASes present in the Internet Routing Table: 1963
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 24
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4801
Number of ARIN addresses announced to Internet: 1281368832
Equivalent to 76 /8s, 96 /16s and 35 /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: 259839
Total RIPE prefixes after maximum aggregation: 122382
RIPE Deaggregation factor: 2.12
Prefixes being announced from the RIPE address blocks: 255957
Unique aggregates announced from the RIPE address blocks: 158551
RIPE Region origin ASes present in the Internet Routing Table: 28328
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: 3967
Average RIPE Region AS path length visible: 4.2
Max RIPE Region AS path length visible: 30
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11174
Number of RIPE addresses announced to Internet: 718188416
Equivalent to 42 /8s, 206 /16s and 175 /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: 118033
Total LACNIC prefixes after maximum aggregation: 28538
LACNIC Deaggregation factor: 4.14
Prefixes being announced from the LACNIC address blocks: 117320
Unique aggregates announced from the LACNIC address blocks: 49374
LACNIC Region origin ASes present in the Internet Routing Table: 11000
LACNIC Prefixes per ASN: 10.67
LACNIC Region origin ASes announcing only one prefix: 2632
LACNIC Region transit ASes present in the Internet Routing Table: 2294
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: 8787
Number of LACNIC addresses announced to Internet: 176734720
Equivalent to 10 /8s, 136 /16s and 194 /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: 29049
Total AfriNIC prefixes after maximum aggregation: 5826
AfriNIC Deaggregation factor: 4.99
Prefixes being announced from the AfriNIC address blocks: 37372
Unique aggregates announced from the AfriNIC address blocks: 12254
AfriNIC Region origin ASes present in the Internet Routing Table: 1739
AfriNIC Prefixes per ASN: 21.49
AfriNIC Region origin ASes announcing only one prefix: 612
AfriNIC Region transit ASes present in the Internet Routing Table: 333
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 30
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1086
Number of AfriNIC addresses announced to Internet: 107688448
Equivalent to 6 /8s, 107 /16s and 50 /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 9489 8706 40 CHINAMOBILE-CN China Mobile Communicati
7545 5720 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4863 4192 75 ERX-CERNET-BKB China Education and Rese
45899 4053 1877 47 VNPT-AS-VN VNPT Corp, VN
7713 3563 1043 65 TELKOMNET-AS-AP PT Telekomunikasi Indon
7552 3228 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 2958 491 239 BBIL-AP BHARTI Airtel Ltd., IN
4766 2551 11251 591 KIXS-AS-KR Korea Telecom, KR
24560 2394 836 446 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
18403 2320 347 25 FPT-AS-AP FPT Telecom Company, VN
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 8300 10781 2923 AMAZON-02, US
11492 4535 300 609 CABLEONE, US
7155 4002 281 51 VIASAT-SP-BACKBONE, US
22773 3586 3057 283 ASN-CXA-ALL-CCI-22773-RDC, US
6327 3525 1320 64 SHAW, CA
16625 3108 1572 2356 AKAMAI-AS, US
749 3100 54980 2352 DNIC-AS-00749, US
396982 2637 3591 368 GOOGLE-CLOUD-PLATFORM, US
30036 2496 359 466 MEDIACOM-ENTERPRISE-BUSINESS, US
7018 2485 24147 1560 ATT-INTERNET4, 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 7298 1707 141 UNI2-AS, ES
39891 4833 286 59 ALJAWWALSTC-AS, SA
20940 4088 3399 164 AKAMAI-ASN1, NL
8551 3882 370 37 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
12389 2947 2292 910 ROSTELECOM-AS, RU
9009 2708 251 1399 M247, RO
34984 2278 360 610 TELLCOM-AS, TR
6849 2017 307 17 UKRTELNET, UA
58224 1851 950 535 TCI, IR
13188 1607 100 18 TRIOLAN, UA
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 11276 3330 597 Uninet S.A. de C.V., MX
10620 3518 508 854 Telmex Colombia S.A., CO
13999 2349 361 620 Mega Cable, S.A. de C.V., MX
11830 2270 369 64 Instituto Costarricense de Electricidad
28573 1330 2323 240 Claro NXT Telecomunicacoes Ltda, BR
6503 1300 339 514 Axtel, S.A.B. de C.V., MX
3816 1293 760 170 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
6147 1134 370 22 Telefonica del Peru S.A.A., PE
11664 1099 180 448 Techtel LMDS Comunicaciones Interactiva
26615 1035 2498 45 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 1601 393 19 LINKdotNET-AS, EG
24835 1499 533 30 RAYA-AS, EG
36992 1339 1518 276 ETISALAT-MISR, EG
36903 1242 550 99 MT-MPLS, MA
29571 1025 67 46 ORANGE-COTE-IVOIRE, CI
36935 875 520 42 Vodafone-, EG
6713 550 1861 34 IAM-AS, MA
15399 530 54 48 WANANCHI-, KE
37342 489 32 1 MOVITEL, MZ
24757 481 73 5 EthioNet-AS, ET
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 11276 3330 597 Uninet S.A. de C.V., MX
9808 9489 8706 40 CHINAMOBILE-CN China Mobile Communicati
16509 8300 10781 2923 AMAZON-02, US
12479 7298 1707 141 UNI2-AS, ES
7545 5720 784 689 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4863 4192 75 ERX-CERNET-BKB China Education and Rese
39891 4833 286 59 ALJAWWALSTC-AS, SA
11492 4535 300 609 CABLEONE, US
20940 4088 3399 164 AKAMAI-ASN1, NL
45899 4053 1877 47 VNPT-AS-VN VNPT Corp, VN
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9489 9449 CHINAMOBILE-CN China Mobile Communications Grou
12479 7298 7157 UNI2-AS, ES
16509 8300 5377 AMAZON-02, US
7545 5720 5031 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4863 4788 ERX-CERNET-BKB China Education and Research Net
39891 4833 4774 ALJAWWALSTC-AS, SA
45899 4053 4006 VNPT-AS-VN VNPT Corp, VN
7155 4002 3951 VIASAT-SP-BACKBONE, US
11492 4535 3926 CABLEONE, US
20940 4088 3924 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
3507 UNALLOCATED 2.57.241.0/24 213035 AS-SERVERION Serverion B.V.,
3507 UNALLOCATED 5.105.49.0/24 213035 AS-SERVERION Serverion B.V.,
3507 UNALLOCATED 5.105.69.0/24 213035 AS-SERVERION Serverion B.V.,
3507 UNALLOCATED 5.105.206.0/24 213035 AS-SERVERION Serverion B.V.,
33492 UNALLOCATED 8.6.184.0/23 33650 COMCAST-33650, US
33123 UNALLOCATED 8.10.69.0/24 11168 SCC, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
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
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
23.139.232.0/24 Origin: 211619 MAXKO, HR
23.139.232.0/24 Transit: 42864 GIGANET-HU GigaNet Internet Service Prov
23.140.216.0/24 Origin: 27176 DATAWAGON, US
23.140.216.0/24 Transit: 20278 NEXEON, US
23.141.0.0/24 Origin: 395350 UNASSIGNED
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.153.24.0/24 Origin: 394144 LTYCONNECT, US
23.153.24.0/24 Transit: 6939 HURRICANE, 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
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 /9:14 /10:39 /11:104 /12:301
/13:579 /14:1198 /15:2052 /16:13471 /17:8232 /18:14296
/19:25201 /20:44246 /21:51321 /22:109756 /23:98070 /24:552641
/25:746 /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 6362 7298 UNI2-AS, ES
8151 5237 11276 Uninet S.A. de C.V., MX
39891 3632 4833 ALJAWWALSTC-AS, SA
11492 3443 4535 CABLEONE, US
8551 3354 3882 BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
6327 3334 3525 SHAW, CA
7155 3069 4002 VIASAT-SP-BACKBONE, US
22773 2650 3586 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2153 2496 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2071 3518 Telmex Colombia S.A., CO
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1832 2:1310 3:174 4:5 5:4543 6:129
7:6 8:1556 9:1 11:172 12:1536 13:385
14:2337 15:300 16:189 17:373 18:421 20:258
21:4 22:188 23:6244 24:2607 25:6 27:2456
29:19 31:2499 32:79 34:12 35:109 36:1960
37:4700 38:4579 39:842 40:151 41:3904 42:1282
43:2358 44:307 45:16554 46:4327 47:363 49:1756
50:1854 51:567 52:1600 54:394 55:774 56:8
57:114 58:1792 59:1157 60:987 61:2490 62:2688
63:1925 64:5680 65:2323 66:5037 67:3000 68:1347
69:4096 70:1251 71:670 72:2994 74:2622 75:1553
76:613 77:2454 78:1815 79:3172 80:2126 81:1780
82:1498 83:1284 84:1529 85:2980 86:768 87:2030
88:1169 89:3701 90:615 91:7747 92:2065 93:2625
94:3617 95:4020 96:1312 97:336 98:1152 99:743
100:73 101:1073 102:2674 103:31357 104:4667 105:488
106:948 107:2526 108:1042 109:4422 110:2109 111:3154
112:2036 113:1658 114:1655 115:1982 116:1913 117:2529
118:2390 119:2011 120:1824 121:1130 122:2605 123:2179
124:1611 125:2502 128:1401 129:1088 130:1024 131:2011
132:809 133:422 134:1927 135:304 136:873 137:950
138:2548 139:1573 140:1245 141:1452 142:1443 143:1515
144:1168 145:347 146:1956 147:1583 148:2373 149:2245
150:872 151:1159 152:1824 153:487 154:4421 155:1451
156:1786 157:1307 158:1073 159:2304 160:2545 161:1534
162:3506 163:1517 164:1617 165:1726 166:1055 167:1726
168:3882 169:934 170:4579 171:873 172:3548 173:2934
174:1077 175:1178 176:3706 177:4599 178:3601 179:2168
180:2572 181:3485 182:3391 183:1989 184:2345 185:20227
186:4682 187:3985 188:4123 189:3579 190:9126 191:1438
192:10931 193:8892 194:7310 195:5175 196:3089 197:2368
198:5971 199:6104 200:8041 201:5908 202:10699 203:10318
204:4581 205:3688 206:4311 207:3457 208:4097 209:4880
210:4445 211:2509 212:4170 213:3623 214:1089 215:59
216:6648 217:2697 218:1299 219:578 220:2002 221:976
222:886 223:2187
End of report
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