[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Brisbane) (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jun 12 21:13:17 UTC 2025
IPv4 R&E Routing Table Report 21:10 GMT Thu 12 Jun, 2025
IPv4 BGP Table (Global) as seen at AARNET (Brisbane).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET/
Analysis Summary
----------------
BGP routing table entries examined: 986397
Prefixes after maximum aggregation (per Origin AS): 380417
Deaggregation factor: 2.59
Unique aggregates announced (without unneeded subnets): 482238
Number of IPv4 prefixes with a valid ROA: 550087
Number of IPv4 prefixes with an invalid ROA: 151
Number of IPv4 prefixes with no ROA: 436159
Total ASes present in the Internet Routing Table: 76904
Prefixes per ASN: 12.83
Origin-only ASes present in the Internet Routing Table: 65885
Origin ASes announcing only one prefix: 26891
Transit ASes present in the Internet Routing Table: 11019
Transit-only ASes present in the Internet Routing Table: 559
Paths with bogon ASNs present in the IPv4 Routing Table: 24
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 52
Max AS path prepend of ASN (139693) 35
Prefixes from unregistered ASNs in the Routing Table: 1122
Number of instances of unregistered ASNs: 1156
Number of 32-bit ASNs allocated by the RIRs: 46631
Number of 32-bit ASNs visible in the Routing Table: 38359
Prefixes from 32-bit ASNs in the Routing Table: 203510
Number of bogon 32-bit ASNs visible in the Routing Table: 94
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 451
Number of addresses announced to Internet: 3110290176
Equivalent to 185 /8s, 99 /16s and 67 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 322994
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 258689
Total APNIC prefixes after maximum aggregation: 77243
APNIC Deaggregation factor: 3.35
Prefixes being announced from the APNIC address blocks: 250012
Unique aggregates announced from the APNIC address blocks: 104279
APNIC Region origin ASes present in the Internet Routing Table: 14618
APNIC Prefixes per ASN: 17.10
APNIC Region origin ASes announcing only one prefix: 4451
APNIC Region transit ASes present in the Internet Routing Table: 1962
Average APNIC Region AS path length visible: 4.3
Max APNIC Region AS path length visible: 38
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10142
Number of APNIC addresses announced to Internet: 748820224
Equivalent to 44 /8s, 162 /16s and 23 /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, 131072-155961
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: 291297
Total ARIN prefixes after maximum aggregation: 131287
ARIN Deaggregation factor: 2.22
Prefixes being announced from the ARIN address blocks: 293204
Unique aggregates announced from the ARIN address blocks: 139424
ARIN Region origin ASes present in the Internet Routing Table: 19230
ARIN Prefixes per ASN: 15.25
ARIN Region origin ASes announcing only one prefix: 7026
ARIN Region transit ASes present in the Internet Routing Table: 1998
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 34
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5230
Number of ARIN addresses announced to Internet: 1353149952
Equivalent to 80 /8s, 167 /16s and 110 /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, 45/8, 47/8, 48/8, 50/8, 52/8,
54/8, 55/8, 56/8, 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: 275434
Total RIPE prefixes after maximum aggregation: 134850
RIPE Deaggregation factor: 2.04
Prefixes being announced from the RIPE address blocks: 274029
Unique aggregates announced from the RIPE address blocks: 175631
RIPE Region origin ASes present in the Internet Routing Table: 28933
RIPE Prefixes per ASN: 9.47
RIPE Region origin ASes announcing only one prefix: 12053
RIPE Region transit ASes present in the Internet Routing Table: 3992
Average RIPE Region AS path length visible: 4.4
Max RIPE Region AS path length visible: 31
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12490
Number of RIPE addresses announced to Internet: 731238912
Equivalent to 43 /8s, 149 /16s and 210 /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,
53/8, 57/8, 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: 124215
Total LACNIC prefixes after maximum aggregation: 29575
LACNIC Deaggregation factor: 4.20
Prefixes being announced from the LACNIC address blocks: 120495
Unique aggregates announced from the LACNIC address blocks: 48973
LACNIC Region origin ASes present in the Internet Routing Table: 11259
LACNIC Prefixes per ASN: 10.70
LACNIC Region origin ASes announcing only one prefix: 2663
LACNIC Region transit ASes present in the Internet Routing Table: 2500
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 30
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9210
Number of LACNIC addresses announced to Internet: 171832064
Equivalent to 10 /8s, 61 /16s and 243 /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: 35640
Total AfriNIC prefixes after maximum aggregation: 6710
AfriNIC Deaggregation factor: 5.31
Prefixes being announced from the AfriNIC address blocks: 48205
Unique aggregates announced from the AfriNIC address blocks: 13531
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 25.05
AfriNIC Region origin ASes announcing only one prefix: 698
AfriNIC Region transit ASes present in the Internet Routing Table: 376
Average AfriNIC Region AS path length visible: 5.1
Max AfriNIC Region AS path length visible: 28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287
Number of AfriNIC addresses announced to Internet: 105038848
Equivalent to 6 /8s, 66 /16s and 196 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 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 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
7545 6174 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
18403 4493 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4308 534 305 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3695 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3271 1869 101 VNPT-AS-VN VNPT Corp, VN
24560 2881 854 529 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
4755 2176 434 193 TATACOMM-AS TATA Communications formerly
45090 2173 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13694 40941 5246 AMAZON-02, US
11492 4762 316 595 CABLEONE, US
7155 3863 286 85 VIASAT-SP-BACKBONE, US
6327 3635 1320 81 SHAW, CA
22773 3606 3037 211 ASN-CXA-ALL-CCI-22773-RDC, US
174 3536 8745 882 COGENT-174, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3185 3854 426 GOOGLE-CLOUD-PLATFORM, US
16625 3145 1314 2263 AKAMAI-AS, US
36352 2817 230 857 AS-COLOCROSSING, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
12479 7704 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4065 3395 127 AKAMAI-ASN1, NL
9009 3887 358 2090 M247, RO
12389 3106 2304 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2403 361 579 TELLCOM-AS, TR
212238 2265 165 1653 CDNEXT, GB
13188 1606 100 34 TRIOLAN, UA
8452 1578 1852 14 TE-AS TE-AS, EG
62240 1414 94 738 CLOUVIDER Clouvider - Global ASN, GB
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12198 3255 580 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2490 541 360 Mega Cable, S.A. de C.V., MX
11830 1990 369 64 Instituto Costarricense de Electricidad y
28573 1371 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
11664 1204 278 33 Techtel LMDS Comunicaciones Interactivas
6147 1200 371 22 Telefonica del Peru S.A.A., PE
22884 1065 71 377 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1041 373 162 Axtel, S.A.B. de C.V., MX
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1820 644 27 RAYA-AS, EG
24863 1634 389 17 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1431 1519 280 ETISALAT-MISR, EG
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1066 523 47 Vodafone-, EG
20011 980 185 285 INTERNET-SOLUTIONS, ZA
36914 566 82 3 KENET-AS, KE
15399 530 56 53 WANANCHI-, KE
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13694 40941 5246 AMAZON-02, US
8151 12198 3255 580 UNINET, MX
9808 11080 8758 100 CHINAMOBILE-CN China Mobile Communication
12479 7704 1714 148 UNI2-AS, ES
7545 6174 844 651 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4762 316 595 CABLEONE, US
18403 4493 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4308 534 305 BBIL-AP BHARTI Airtel Ltd., IN
20940 4065 3395 127 AKAMAI-ASN1, NL
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12198 11618 UNINET, MX
9808 11080 10980 CHINAMOBILE-CN China Mobile Communications Grou
12479 7704 7556 UNI2-AS, ES
7545 6174 5523 TPG-INTERNET-AP TPG Telecom Limited, AU
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4493 4468 FPT-AS-AP FPT Telecom Company, VN
11492 4762 4167 CABLEONE, US
9498 4308 4003 BBIL-AP BHARTI Airtel Ltd., IN
20940 4065 3938 AKAMAI-ASN1, NL
7552 3924 3898 VIETEL-AS-AP Viettel Group, VN
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
22542 UNALLOCATED 8.7.205.0/24 3356 LEVEL3, US
33123 UNALLOCATED 8.10.69.0/24 174 COGENT-174, US
398728 UNALLOCATED 8.10.134.0/24 174 COGENT-174, US
46639 UNALLOCATED 8.17.66.0/24 701 UUNET, US
53775 UNALLOCATED 8.20.88.0/24 7029 WINDSTREAM, US
393266 UNALLOCATED 8.23.52.0/24 46887 CROWNCASTLE-AS46887, US
396894 UNALLOCATED 8.28.201.0/24 3356 LEVEL3, US
394936 UNALLOCATED 8.33.224.0/24 22442 HOU-PHONOSCOPE, US
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, US
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/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://bgp.nsrc.org/REN/AARNET/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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, US
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
!!Default route being announced!!
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:16 /9:14 /10:41 /11:92 /12:300
/13:584 /14:1220 /15:2165 /16:13903 /17:8260 /18:13696
/19:24572 /20:44025 /21:51845 /22:112112 /23:102812 /24:610739
/25:0 /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 6622 7704 UNI2-AS, ES
8151 6412 12198 UNINET, MX
11492 3559 4762 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3431 3635 SHAW, CA
7155 2822 3863 VIASAT-SP-BACKBONE, US
22773 2734 3606 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2375 13694 AMAZON-02, US
30036 2248 2590 MEDIACOM-ENTERPRISE-BUSINESS, US
10620 2186 3499 Telmex Colombia S.A., CO
Complete listing at https://bgp.nsrc.org/REN/AARNET/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2371 2:1515 3:815 4:10 5:4703 6:162
7:6 8:1573 9:1 11:172 12:1350 13:451
14:2520 15:359 16:285 17:378 18:923 20:545
21:4 22:188 23:7636 24:2883 25:2 27:2778
29:19 31:3290 32:36 33:1 34:80 35:256
36:3084 37:4599 38:9347 39:907 40:174 41:4203
42:2013 43:2604 44:381 45:18582 46:5139 47:318
49:1941 50:1893 51:591 52:1569 54:328 55:1085
56:11 57:269 58:2217 59:1184 60:1171 61:2795
62:2936 63:1799 64:5473 65:2066 66:4675 67:3067
68:1155 69:3945 70:1137 71:633 72:2850 74:2801
75:1515 76:616 77:2716 78:1901 79:1716 80:2222
81:2066 82:3163 83:1449 84:1876 85:3459 86:1076
87:2145 88:1333 89:4402 90:770 91:8403 92:2731
93:2912 94:4023 95:4364 96:1465 97:311 98:1021
99:698 100:73 101:1411 102:3843 103:32270 104:5141
105:766 106:1034 107:2687 108:1240 109:4086 110:2227
111:3275 112:2128 113:1805 114:1993 115:2140 116:2057
117:2565 118:2895 119:1897 120:2001 121:1382 122:2777
123:2202 124:1586 125:2858 126:91 128:1619 129:951
130:1308 131:2019 132:778 133:449 134:1536 135:346
136:1352 137:1308 138:2837 139:1606 140:1602 141:1508
142:1900 143:1842 144:1123 145:543 146:2184 147:2111
148:2705 149:2888 150:1254 151:1965 152:2094 153:578
154:7473 155:1745 156:3003 157:1918 158:1325 159:2492
160:3601 161:1853 162:3851 163:2211 164:1854 165:1984
166:1494 167:1962 168:4018 169:799 170:5118 171:1023
172:4469 173:3330 174:927 175:1304 176:3700 177:4685
178:3722 179:2307 180:2637 181:4061 182:3443 183:2099
184:2124 185:21598 186:5188 187:4517 188:4256 189:4285
190:9609 191:1484 192:11321 193:9483 194:7809 195:5544
196:3290 197:3665 198:6209 199:8509 200:8220 201:6370
202:10282 203:10672 204:4581 205:3661 206:4517 207:3618
208:4272 209:5166 210:4609 211:2535 212:4577 213:3741
214:1027 215:48 216:6780 217:3165 218:1355 219:390
220:2089 221:1139 222:724 223:2459
End of report
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