[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Jun 27 22:45:14 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 27 Jun, 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: 1039920
Prefixes after maximum aggregation (per Origin AS): 385428
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 484335
Total ASes present in the Internet Routing Table: 77082
Prefixes per ASN: 13.49
Origin-only ASes present in the Internet Routing Table: 66371
Origin ASes announcing only one prefix: 26317
Transit ASes present in the Internet Routing Table: 10711
Transit-only ASes present in the Internet Routing Table: 540
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: 1201
Number of instances of unregistered ASNs: 1244
Number of 32-bit ASNs allocated by the RIRs: 46662
Number of 32-bit ASNs visible in the Routing Table: 38521
Prefixes from 32-bit ASNs in the Routing Table: 216814
Number of bogon 32-bit ASNs visible in the Routing Table: 161
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 445
Number of addresses announced to Internet: 3107549447
Equivalent to 185 /8s, 57 /16s and 113 /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: 350791
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269018
Total APNIC prefixes after maximum aggregation: 78253
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 259710
Unique aggregates announced from the APNIC address blocks: 104719
APNIC Region origin ASes present in the Internet Routing Table: 14702
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4469
APNIC Region transit ASes present in the Internet Routing Table: 1934
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: 10208
Number of APNIC addresses announced to Internet: 749909825
Equivalent to 44 /8s, 178 /16s and 183 /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: 298033
Total ARIN prefixes after maximum aggregation: 132943
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299179
Unique aggregates announced from the ARIN address blocks: 139663
ARIN Region origin ASes present in the Internet Routing Table: 19252
ARIN Prefixes per ASN: 15.54
ARIN Region origin ASes announcing only one prefix: 7016
ARIN Region transit ASes present in the Internet Routing Table: 1912
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: 1349473792
Equivalent to 80 /8s, 111 /16s and 86 /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: 293282
Total RIPE prefixes after maximum aggregation: 136847
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291669
Unique aggregates announced from the RIPE address blocks: 176881
RIPE Region origin ASes present in the Internet Routing Table: 28994
RIPE Prefixes per ASN: 10.06
RIPE Region origin ASes announcing only one prefix: 12023
RIPE Region transit ASes present in the Internet Routing Table: 3862
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: 12542
Number of RIPE addresses announced to Internet: 731490406
Equivalent to 43 /8s, 153 /16s and 168 /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: 138659
Total LACNIC prefixes after maximum aggregation: 29796
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135274
Unique aggregates announced from the LACNIC address blocks: 48862
LACNIC Region origin ASes present in the Internet Routing Table: 11283
LACNIC Prefixes per ASN: 11.99
LACNIC Region origin ASes announcing only one prefix: 2165
LACNIC Region transit ASes present in the Internet Routing Table: 2471
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: 9230
Number of LACNIC addresses announced to Internet: 171315040
Equivalent to 10 /8s, 54 /16s and 15 /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: 39727
Total AfriNIC prefixes after maximum aggregation: 6821
AfriNIC Deaggregation factor: 5.82
Prefixes being announced from the AfriNIC address blocks: 53642
Unique aggregates announced from the AfriNIC address blocks: 13813
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 27.84
AfriNIC Region origin ASes announcing only one prefix: 644
AfriNIC Region transit ASes present in the Internet Routing Table: 363
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1295
Number of AfriNIC addresses announced to Internet: 105110016
Equivalent to 6 /8s, 67 /16s and 218 /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 11472 8759 115 CHINAMOBILE-CN China Mobile Communication
7545 6152 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4440 535 311 BBIL-AP BHARTI Airtel Ltd., IN
18403 4420 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3718 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3307 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2895 857 531 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2291 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 13612 40955 5218 AMAZON-02, US
174 5385 8758 852 COGENT-174, US
11492 4774 316 625 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3637 1320 82 SHAW, CA
22773 3352 3032 167 ASN-CXA-ALL-CCI-22773-RDC, US
749 3226 54767 2477 DNIC-AS-00749, US
396982 3193 3854 430 GOOGLE-CLOUD-PLATFORM, US
16625 3128 1314 2259 AKAMAI-AS, US
36352 2834 231 859 AS-COLOCROSSING, 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 9759 1297 1052 TTNET, TR
12479 7672 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4084 3396 140 AKAMAI-ASN1, NL
9009 3928 360 2104 M247, RO
12389 3123 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2452 364 576 TELLCOM-AS, TR
212238 2329 171 1707 CDNEXT, GB
8452 1936 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 12297 3256 575 UNINET, MX
10620 3505 481 1017 Telmex Colombia S.A., CO
13999 2537 538 355 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1613 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1344 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1197 371 22 Telefonica del Peru S.A.A., PE
11664 1179 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1067 71 372 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
26615 1054 2487 55 TIM SA, BR
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 1822 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1620 389 16 LINKdotNET-AS, EG
29571 1606 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1297 205 346 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1078 523 46 Vodafone-, EG
36914 578 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 13612 40955 5218 AMAZON-02, US
8151 12297 3256 575 UNINET, MX
9808 11472 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9759 1297 1052 TTNET, TR
12479 7672 1713 148 UNI2-AS, ES
7545 6152 841 652 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5385 8758 852 COGENT-174, US
4538 4852 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4780 291 66 ALJAWWALSTC-AS, SA
11492 4774 316 625 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 12297 11722 UNINET, MX
9808 11472 11357 CHINAMOBILE-CN China Mobile Communications Grou
47331 9759 8707 TTNET, TR
12479 7672 7524 UNI2-AS, ES
7545 6152 5500 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4852 4775 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5385 4533 COGENT-174, US
18403 4420 4395 FPT-AS-AP FPT Telecom Company, VN
11492 4774 4149 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 /12:299
/13:585 /14:1220 /15:2188 /16:13936 /17:8433 /18:14013
/19:25308 /20:46129 /21:54620 /22:115889 /23:111275 /24:642767
/25:403 /26:583 /27:1043 /28:69 /29:105 /30:18
/31:3 /32:870
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8838 9759 TTNET, TR
12479 6595 7672 UNI2-AS, ES
8151 6484 12297 UNINET, MX
11492 3573 4774 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3637 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2503 3352 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2346 13612 AMAZON-02, US
30036 2259 2600 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2427 2:1539 3:817 4:25 5:5040 6:161
7:6 8:1634 9:1 11:172 12:1343 13:446
14:2581 15:367 16:283 17:380 18:921 20:565
21:4 22:188 23:7721 24:2824 25:2 27:2837
29:19 31:3386 32:50 33:1 34:84 35:261
36:3204 37:4682 38:10654 39:909 40:207 41:4794
42:1947 43:2690 44:382 45:20270 46:5201 47:327
49:1975 50:1902 51:592 52:1589 54:324 55:1105
56:11 57:281 58:2306 59:1420 60:1172 61:3046
62:3066 63:1813 64:5549 65:2199 66:4790 67:3134
68:1112 69:4015 70:1074 71:632 72:2955 74:2832
75:1527 76:612 77:2871 78:4366 79:1750 80:2248
81:2255 82:3249 83:1488 84:1901 85:4431 86:1099
87:2415 88:3579 89:4579 90:780 91:8516 92:2760
93:2960 94:4139 95:5681 96:1490 97:314 98:962
99:688 100:72 101:1442 102:4457 103:32624 104:5247
105:2243 106:976 107:2665 108:1270 109:4179 110:2248
111:3352 112:2164 113:1881 114:2016 115:2262 116:2130
117:2544 118:2953 119:1973 120:2119 121:1448 122:2818
123:2518 124:1711 125:2928 126:91 128:1639 129:993
130:1341 131:2219 132:894 133:451 134:1568 135:396
136:1358 137:1194 138:3172 139:1589 140:1629 141:1515
142:1961 143:2064 144:1182 145:565 146:2202 147:2122
148:2719 149:2999 150:1277 151:2114 152:2109 153:590
154:8208 155:1782 156:3204 157:1952 158:1340 159:2507
160:3723 161:1913 162:3910 163:2249 164:1913 165:2093
166:1516 167:2029 168:4284 169:813 170:5575 171:1012
172:4489 173:3384 174:921 175:1324 176:3846 177:5979
178:4094 179:2736 180:2705 181:4331 182:3465 183:2210
184:2129 185:21924 186:5877 187:5088 188:4384 189:4696
190:10035 191:1704 192:11363 193:9548 194:7927 195:5725
196:3662 197:3959 198:6243 199:8595 200:8822 201:6637
202:10798 203:10805 204:4621 205:3683 206:4539 207:3619
208:4300 209:5255 210:4936 211:2645 212:4798 213:3931
214:1013 215:45 216:6849 217:3288 218:1426 219:572
220:2139 221:1157 222:857 223:2567
End of report
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