[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jul 6 22:44:50 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 06 Jul, 2025
IPv4 BGP Table (Global) as seen at RouteViews OIX.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/OIX/
Analysis Summary
----------------
BGP routing table entries examined: 1040980
Prefixes after maximum aggregation (per Origin AS): 385915
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 485804
Total ASes present in the Internet Routing Table: 77074
Prefixes per ASN: 13.51
Origin-only ASes present in the Internet Routing Table: 66328
Origin ASes announcing only one prefix: 26293
Transit ASes present in the Internet Routing Table: 10746
Transit-only ASes present in the Internet Routing Table: 541
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 77
Max AS path prepend of ASN (133647) 73
Prefixes from unregistered ASNs in the Routing Table: 1203
Number of instances of unregistered ASNs: 1244
Number of 32-bit ASNs allocated by the RIRs: 46782
Number of 32-bit ASNs visible in the Routing Table: 38535
Prefixes from 32-bit ASNs in the Routing Table: 216927
Number of bogon 32-bit ASNs visible in the Routing Table: 155
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 454
Number of addresses announced to Internet: 3107638727
Equivalent to 185 /8s, 58 /16s and 205 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 351226
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 268948
Total APNIC prefixes after maximum aggregation: 78039
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 259836
Unique aggregates announced from the APNIC address blocks: 104826
APNIC Region origin ASes present in the Internet Routing Table: 14712
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4475
APNIC Region transit ASes present in the Internet Routing Table: 1942
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 77
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10216
Number of APNIC addresses announced to Internet: 750049089
Equivalent to 44 /8s, 180 /16s and 215 /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: 298555
Total ARIN prefixes after maximum aggregation: 133315
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299544
Unique aggregates announced from the ARIN address blocks: 140423
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.56
ARIN Region origin ASes announcing only one prefix: 7009
ARIN Region transit ASes present in the Internet Routing Table: 1920
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 23
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5246
Number of ARIN addresses announced to Internet: 1349391360
Equivalent to 80 /8s, 110 /16s and 20 /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: 293495
Total RIPE prefixes after maximum aggregation: 137089
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291960
Unique aggregates announced from the RIPE address blocks: 177215
RIPE Region origin ASes present in the Internet Routing Table: 28985
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 11995
RIPE Region transit ASes present in the Internet Routing Table: 3875
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12543
Number of RIPE addresses announced to Internet: 731455590
Equivalent to 43 /8s, 153 /16s and 32 /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: 138917
Total LACNIC prefixes after maximum aggregation: 29844
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135490
Unique aggregates announced from the LACNIC address blocks: 48971
LACNIC Region origin ASes present in the Internet Routing Table: 11278
LACNIC Prefixes per ASN: 12.01
LACNIC Region origin ASes announcing only one prefix: 2169
LACNIC Region transit ASes present in the Internet Routing Table: 2485
Average LACNIC Region AS path length visible: 3.3
Max LACNIC Region AS path length visible: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9236
Number of LACNIC addresses announced to Internet: 171271200
Equivalent to 10 /8s, 53 /16s and 100 /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: 39862
Total AfriNIC prefixes after maximum aggregation: 6871
AfriNIC Deaggregation factor: 5.80
Prefixes being announced from the AfriNIC address blocks: 53695
Unique aggregates announced from the AfriNIC address blocks: 13963
AfriNIC Region origin ASes present in the Internet Routing Table: 1928
AfriNIC Prefixes per ASN: 27.85
AfriNIC Region origin ASes announcing only one prefix: 645
AfriNIC Region transit ASes present in the Internet Routing Table: 363
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1294
Number of AfriNIC addresses announced to Internet: 105219072
Equivalent to 6 /8s, 69 /16s and 132 /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 11620 8759 115 CHINAMOBILE-CN China Mobile Communication
7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4462 535 313 BBIL-AP BHARTI Airtel Ltd., IN
18403 4423 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3924 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3718 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3310 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2903 862 528 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2430 812 180 CMNET-JIANGSU-AP China Mobile communicati
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13600 40951 5229 AMAZON-02, US
174 5389 8767 864 COGENT-174, US
11492 4781 317 604 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3638 1320 82 SHAW, CA
22773 3340 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3194 3854 431 GOOGLE-CLOUD-PLATFORM, US
16625 3128 1314 2257 AKAMAI-AS, US
4155 2838 215 1728 USDA-1, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
47331 9764 1298 1046 TTNET, TR
12479 7654 1713 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4094 3396 140 AKAMAI-ASN1, NL
9009 3924 360 2103 M247, RO
12389 3125 2305 883 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2454 364 578 TELLCOM-AS, TR
212238 2362 170 1730 CDNEXT, GB
8452 1893 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
8151 12345 3259 576 UNINET, MX
10620 3509 481 1020 Telmex Colombia S.A., CO
13999 2539 538 356 Mega Cable, S.A. de C.V., MX
11830 1987 369 64 Instituto Costarricense de Electricidad y
28573 1611 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1064 71 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1023 373 162 Axtel, S.A.B. de C.V., MX
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
24835 1819 660 28 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1620 389 16 LINKdotNET-AS, EG
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1297 205 346 INTERNET-SOLUTIONS, ZA
36903 1248 553 97 MT-MPLS, MA
37069 1108 1100 18 MOBINIL, EG
36935 1063 520 43 Vodafone-, EG
36914 581 82 3 KENET-AS, KE
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
16509 13600 40951 5229 AMAZON-02, US
8151 12345 3259 576 UNINET, MX
9808 11620 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9764 1298 1046 TTNET, TR
12479 7654 1713 148 UNI2-AS, ES
7545 6147 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5389 8767 864 COGENT-174, US
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4781 317 604 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
8151 12345 11769 UNINET, MX
9808 11620 11505 CHINAMOBILE-CN China Mobile Communications Grou
47331 9764 8718 TTNET, TR
12479 7654 7506 UNI2-AS, ES
7545 6147 5524 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4775 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5389 4525 COGENT-174, US
18403 4423 4398 FPT-AS-AP FPT Telecom Company, VN
11492 4781 4177 CABLEONE, US
Complete listing at https://bgp.nsrc.org/REN/OIX/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
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
54338 UNALLOCATED 8.33.241.0/24 3356 LEVEL3, US
46639 UNALLOCATED 8.38.73.0/24 3356 LEVEL3, US
395195 UNALLOCATED 8.38.115.0/24 3356 LEVEL3, US
Complete listing at https://bgp.nsrc.org/REN/OIX/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/OIX/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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
Complete listing at https://bgp.nsrc.org/REN/OIX/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 /12:298
/13:585 /14:1220 /15:2186 /16:13908 /17:8424 /18:14019
/19:25304 /20:46184 /21:54623 /22:115838 /23:111311 /24:643826
/25:406 /26:581 /27:1042 /28:69 /29:105 /30:18
/31:3 /32:866
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8842 9764 TTNET, TR
12479 6577 7654 UNI2-AS, ES
8151 6525 12345 UNINET, MX
11492 3577 4781 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3433 3638 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2492 3340 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2338 13600 AMAZON-02, US
30036 2263 2604 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2434 2:1546 3:827 4:25 5:5074 6:162
7:6 8:1643 9:1 11:172 12:1348 13:453
14:2600 15:366 16:285 17:382 18:895 20:566
21:4 22:188 23:7793 24:2829 25:2 27:2842
29:19 31:3390 32:50 33:1 34:84 35:261
36:3289 37:4695 38:10688 39:910 40:232 41:4832
42:1942 43:2701 44:380 45:20253 46:5183 47:330
49:1932 50:1903 51:592 52:1587 54:321 55:1097
56:11 57:281 58:2283 59:1451 60:1173 61:3051
62:3072 63:1821 64:5578 65:2200 66:4808 67:3147
68:1115 69:4034 70:1072 71:629 72:2960 74:2827
75:1525 76:611 77:2878 78:4367 79:1760 80:2240
81:2262 82:3251 83:1499 84:1902 85:4438 86:1089
87:2425 88:3579 89:4573 90:779 91:8528 92:2769
93:2966 94:4143 95:5666 96:1503 97:314 98:962
99:692 100:72 101:1430 102:4456 103:32527 104:5252
105:2241 106:978 107:2654 108:1276 109:4205 110:2250
111:3322 112:2205 113:1880 114:1982 115:2258 116:2126
117:2558 118:3000 119:1976 120:2131 121:1397 122:2821
123:2582 124:1736 125:2935 126:91 128:1638 129:995
130:1333 131:2217 132:878 133:451 134:1579 135:435
136:1394 137:1195 138:3176 139:1589 140:1639 141:1507
142:1942 143:2083 144:1177 145:561 146:2198 147:2112
148:2719 149:2997 150:1272 151:2193 152:2112 153:590
154:8244 155:1791 156:3254 157:1959 158:1348 159:2514
160:3739 161:1911 162:3893 163:2244 164:1916 165:2111
166:1512 167:2044 168:4281 169:809 170:5584 171:1010
172:4467 173:3389 174:921 175:1323 176:3847 177:6007
178:4108 179:2743 180:2663 181:4324 182:3490 183:2212
184:2131 185:21951 186:5903 187:5144 188:4392 189:4730
190:10021 191:1704 192:11374 193:9553 194:7885 195:5746
196:3706 197:3959 198:6238 199:8602 200:8808 201:6639
202:10850 203:10792 204:4630 205:3700 206:4558 207:3663
208:4292 209:5243 210:4937 211:2659 212:4803 213:3939
214:1015 215:46 216:6863 217:3282 218:1423 219:573
220:2144 221:1154 222:846 223:2598
End of report
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