[SANOG] Weekly Global IPv4 Routing Table Report
Routing Table Analysis Role Account
cscora at apnic.net
Fri Jun 21 18:02:25 UTC 2024
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
UKNOF, 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 22 Jun, 2024
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: 953350
Prefixes after maximum aggregation (per Origin AS): 362882
Deaggregation factor: 2.63
Unique aggregates announced (without unneeded subnets): 465189
Total ASes present in the Internet Routing Table: 75929
Prefixes per ASN: 12.56
Origin-only ASes present in the Internet Routing Table: 65040
Origin ASes announcing only one prefix: 26726
Transit ASes present in the Internet Routing Table: 10889
Transit-only ASes present in the Internet Routing Table: 540
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 60
Max AS path prepend of ASN ( 53153) 57
Prefixes from unregistered ASNs in the Routing Table: 1014
Number of instances of unregistered ASNs: 1016
Number of 32-bit ASNs allocated by the RIRs: 44823
Number of 32-bit ASNs visible in the Routing Table: 36609
Prefixes from 32-bit ASNs in the Routing Table: 187733
Number of bogon 32-bit ASNs visible in the Routing Table: 14
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 630
Number of addresses announced to Internet: 3024212608
Equivalent to 180 /8s, 65 /16s and 210 /24s
Percentage of available address space announced: 81.7
Percentage of allocated address space announced: 81.7
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: 312260
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 255235
Total APNIC prefixes after maximum aggregation: 74274
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 247276
Unique aggregates announced from the APNIC address blocks: 101275
APNIC Region origin ASes present in the Internet Routing Table: 14216
APNIC Prefixes per ASN: 17.39
APNIC Region origin ASes announcing only one prefix: 4325
APNIC Region transit ASes present in the Internet Routing Table: 1915
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 55
Number of APNIC region 32-bit ASNs visible in the Routing Table: 9616
Number of APNIC addresses announced to Internet: 761663872
Equivalent to 45 /8s, 102 /16s and 17 /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, 131072-153913
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: 277575
Total ARIN prefixes after maximum aggregation: 125346
ARIN Deaggregation factor: 2.21
Prefixes being announced from the ARIN address blocks: 282123
Unique aggregates announced from the ARIN address blocks: 134701
ARIN Region origin ASes present in the Internet Routing Table: 19135
ARIN Prefixes per ASN: 14.74
ARIN Region origin ASes announcing only one prefix: 6954
ARIN Region transit ASes present in the Internet Routing Table: 1991
Average ARIN Region AS path length visible: 3.7
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 4923
Number of ARIN addresses announced to Internet: 1266609408
Equivalent to 75 /8s, 126 /16s and 237 /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, 393216-402332
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: 266046
Total RIPE prefixes after maximum aggregation: 127500
RIPE Deaggregation factor: 2.09
Prefixes being announced from the RIPE address blocks: 260889
Unique aggregates announced from the RIPE address blocks: 164941
RIPE Region origin ASes present in the Internet Routing Table: 28690
RIPE Prefixes per ASN: 9.09
RIPE Region origin ASes announcing only one prefix: 12150
RIPE Region transit ASes present in the Internet Routing Table: 3998
Average RIPE Region AS path length visible: 4.5
Max RIPE Region AS path length visible: 41
Number of RIPE region 32-bit ASNs visible in the Routing Table: 11870
Number of RIPE addresses announced to Internet: 713172992
Equivalent to 42 /8s, 130 /16s and 40 /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
196608-216475
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: 121601
Total LACNIC prefixes after maximum aggregation: 28857
LACNIC Deaggregation factor: 4.21
Prefixes being announced from the LACNIC address blocks: 119705
Unique aggregates announced from the LACNIC address blocks: 50270
LACNIC Region origin ASes present in the Internet Routing Table: 11097
LACNIC Prefixes per ASN: 10.79
LACNIC Region origin ASes announcing only one prefix: 2638
LACNIC Region transit ASes present in the Internet Routing Table: 2411
Average LACNIC Region AS path length visible: 4.9
Max LACNIC Region AS path length visible: 60
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 8986
Number of LACNIC addresses announced to Internet: 176669696
Equivalent to 10 /8s, 135 /16s and 196 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-274844 + 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: 31879
Total AfriNIC prefixes after maximum aggregation: 6231
AfriNIC Deaggregation factor: 5.12
Prefixes being announced from the AfriNIC address blocks: 42727
Unique aggregates announced from the AfriNIC address blocks: 13539
AfriNIC Region origin ASes present in the Internet Routing Table: 1851
AfriNIC Prefixes per ASN: 23.08
AfriNIC Region origin ASes announcing only one prefix: 659
AfriNIC Region transit ASes present in the Internet Routing Table: 365
Average AfriNIC Region AS path length visible: 5.0
Max AfriNIC Region AS path length visible: 33
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1214
Number of AfriNIC addresses announced to Internet: 105711360
Equivalent to 6 /8s, 77 /16s and 7 /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 9861 8745 76 CHINAMOBILE-CN China Mobile Communicati
7545 5643 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4192 74 ERX-CERNET-BKB China Education and Rese
18403 4189 347 23 FPT-AS-AP FPT Telecom Company, VN
7552 3930 1331 21 VIETEL-AS-AP Viettel Group, VN
9498 3779 510 262 BBIL-AP BHARTI Airtel Ltd., IN
7713 3585 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indon
45899 3279 1857 106 VNPT-AS-VN VNPT Corp, VN
24560 2827 864 392 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
4766 2290 11522 578 KIXS-AS-KR Korea Telecom, KR
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 10077 11455 3584 AMAZON-02, US
11492 4641 308 547 CABLEONE, US
7155 4166 287 88 VIASAT-SP-BACKBONE, US
174 3656 8784 869 COGENT-174, US
6327 3594 1320 79 SHAW, CA
22773 3450 3037 212 ASN-CXA-ALL-CCI-22773-RDC, US
749 3250 54901 2502 DNIC-AS-00749, US
16625 3156 1340 2229 AKAMAI-AS, US
7018 2868 23666 1802 ATT-INTERNET4, US
396982 2770 3620 417 GOOGLE-CLOUD-PLATFORM, 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 7719 1708 145 UNI2-AS, ES
39891 4758 286 60 ALJAWWALSTC-AS, SA
20940 3829 3396 133 AKAMAI-ASN1, NL
9009 3596 306 1818 M247, RO
12389 2988 2304 898 ROSTELECOM-AS, RU
34984 2347 361 577 TELLCOM-AS, TR
8551 1773 368 35 BEZEQ-INTERNATIONAL-AS Bezeqint Interne
212238 1704 123 1236 CDNEXT, GB
13188 1607 100 26 TRIOLAN, UA
8452 1477 1852 14 TE-AS TE-AS, EG
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 11854 3302 501 UNINET, MX
10620 3518 492 938 Telmex Colombia S.A., CO
13999 2553 356 674 Mega Cable, S.A. de C.V., MX
11830 2003 369 64 Instituto Costarricense de Electricidad
28573 1342 2311 260 Claro NXT Telecomunicacoes Ltda, BR
3816 1323 778 198 COLOMBIA TELECOMUNICACIONES S.A. ESP, C
11664 1252 278 33 Techtel LMDS Comunicaciones Interactiva
6503 1128 314 478 Axtel, S.A.B. de C.V., MX
6147 1092 369 22 Telefonica del Peru S.A.A., PE
26615 1078 2503 53 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 389 20 LINKdotNET-AS, EG
24835 1570 593 29 RAYA-AS, EG
36992 1380 1520 283 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
29571 1226 78 74 ORANGE-COTE-IVOIRE, CI
36935 940 521 43 Vodafone-, EG
6713 555 1861 35 IAM-AS, MA
36914 540 82 3 KENET-AS, KE
15399 526 56 56 WANANCHI-, KE
37342 480 32 1 MOVITEL, MZ
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 11854 3302 501 UNINET, MX
16509 10077 11455 3584 AMAZON-02, US
9808 9861 8745 76 CHINAMOBILE-CN China Mobile Communicati
12479 7719 1708 145 UNI2-AS, ES
7545 5643 777 672 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4192 74 ERX-CERNET-BKB China Education and Rese
39891 4758 286 60 ALJAWWALSTC-AS, SA
11492 4641 308 547 CABLEONE, US
18403 4189 347 23 FPT-AS-AP FPT Telecom Company, VN
7155 4166 287 88 VIASAT-SP-BACKBONE, US
Complete listing at https://thyme.apnic.net/current/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
9808 9861 9785 CHINAMOBILE-CN China Mobile Communications Grou
12479 7719 7574 UNI2-AS, ES
16509 10077 6493 AMAZON-02, US
7545 5643 4971 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4932 4858 ERX-CERNET-BKB China Education and Research Net
39891 4758 4698 ALJAWWALSTC-AS, SA
18403 4189 4166 FPT-AS-AP FPT Telecom Company, VN
11492 4641 4094 CABLEONE, US
7155 4166 4078 VIASAT-SP-BACKBONE, US
7552 3930 3909 VIETEL-AS-AP Viettel Group, VN
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
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-DDOS-M
40493 UNALLOCATED 8.17.26.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, 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 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 46887 CROWNCASTLE-AS46887, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
54338 UNALLOCATED 8.33.241.0/24 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
14.192.20.0/22 Origin: 26658 HENGTONG-IDC-LLC, US
14.192.20.0/22 Transit: 6939 HURRICANE, US
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 RESERVED, ZZ
23.141.0.0/24 Transit: 11426 TWC-11426-CAROLINAS, US
23.170.224.0/24 Origin: 30168 RESERVED, ZZ
23.170.224.0/24 Transit: 397095 SETSONLLC, US
23.189.192.0/24 Origin: 27593 RESERVED, ZZ
23.189.192.0/24 Transit: 174 COGENT-174, US
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 /10:37 /11:93 /12:296
/13:571 /14:1169 /15:2061 /16:13260 /17:8267 /18:13757
/19:24702 /20:44319 /21:51838 /22:111546 /23:99899 /24:580780
/25:725 /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 6807 7719 UNI2-AS, ES
8151 5939 11854 UNINET, MX
11492 3548 4641 CABLEONE, US
39891 3440 4758 ALJAWWALSTC-AS, SA
6327 3390 3594 SHAW, CA
7155 3111 4166 VIASAT-SP-BACKBONE, US
22773 2562 3450 ASN-CXA-ALL-CCI-22773-RDC, US
30036 2154 2494 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2147 3518 Telmex Colombia S.A., CO
16509 2122 10077 AMAZON-02, US
Complete listing at https://thyme.apnic.net/current/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2321 2:1534 3:353 4:6 5:4357 6:162
7:6 8:1512 9:1 11:172 12:1454 13:357
14:2405 15:316 16:217 17:368 18:774 20:385
21:4 22:188 23:6856 24:2700 25:2 27:2557
29:19 31:2584 32:48 34:63 35:135 36:2326
37:4481 38:7885 39:898 40:140 41:4197 42:2017
43:2378 44:324 45:17222 46:4504 47:301 49:1976
50:1875 51:581 52:1581 54:316 55:907 56:8
57:208 58:2158 59:1254 60:1037 61:2601 62:2743
63:1885 64:5488 65:2309 66:4616 67:2991 68:1302
69:4115 70:1176 71:574 72:2876 74:2598 75:1550
76:624 77:2493 78:1860 79:1784 80:2188 81:2019
82:1641 83:1360 84:1684 85:3172 86:918 87:2289
88:1226 89:4143 90:683 91:8154 92:2321 93:2708
94:3731 95:4191 96:1282 97:317 98:1019 99:740
100:73 101:1172 102:3515 103:32407 104:4822 105:702
106:1002 107:2486 108:1148 109:4046 110:2139 111:3265
112:2054 113:1815 114:1821 115:2074 116:1902 117:2653
118:2788 119:1986 120:1803 121:1364 122:2705 123:2245
124:1641 125:2874 126:32 128:1455 129:897 130:1169
131:1853 132:825 133:412 134:1736 135:322 136:1119
137:1082 138:2828 139:1512 140:1398 141:1366 142:1669
143:1565 144:995 145:372 146:2092 147:1986 148:2539
149:2750 150:1033 151:1363 152:2223 153:522 154:6946
155:1490 156:2287 157:1864 158:1154 159:2320 160:2724
161:1714 162:3545 163:1707 164:1663 165:2155 166:1283
167:1808 168:4036 169:792 170:4924 171:1045 172:3863
173:3055 174:895 175:1221 176:3473 177:4646 178:3676
179:2252 180:2407 181:3764 182:3348 183:1979 184:2264
185:20861 186:4956 187:4372 188:4064 189:4200 190:9424
191:1481 192:11029 193:9159 194:7523 195:5308 196:3208
197:2717 198:6039 199:7956 200:8058 201:6318 202:10482
203:10197 204:4593 205:3664 206:4489 207:3607 208:4156
209:5064 210:4656 211:2624 212:4362 213:3504 214:1059
215:49 216:6763 217:3035 218:1337 219:582 220:2025
221:1038 222:853 223:2250
End of report
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