[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jul 5 22:45:28 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 05 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: 1040602
Prefixes after maximum aggregation (per Origin AS): 385714
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 485604
Total ASes present in the Internet Routing Table: 77069
Prefixes per ASN: 13.50
Origin-only ASes present in the Internet Routing Table: 66322
Origin ASes announcing only one prefix: 26294
Transit ASes present in the Internet Routing Table: 10747
Transit-only ASes present in the Internet Routing Table: 544
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: 1186
Number of instances of unregistered ASNs: 1227
Number of 32-bit ASNs allocated by the RIRs: 46774
Number of 32-bit ASNs visible in the Routing Table: 38535
Prefixes from 32-bit ASNs in the Routing Table: 216876
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: 452
Number of addresses announced to Internet: 3107467206
Equivalent to 185 /8s, 56 /16s and 47 /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: 350944
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 268902
Total APNIC prefixes after maximum aggregation: 78013
APNIC Deaggregation factor: 3.45
Prefixes being announced from the APNIC address blocks: 259741
Unique aggregates announced from the APNIC address blocks: 104812
APNIC Region origin ASes present in the Internet Routing Table: 14717
APNIC Prefixes per ASN: 17.65
APNIC Region origin ASes announcing only one prefix: 4470
APNIC Region transit ASes present in the Internet Routing Table: 1938
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: 10223
Number of APNIC addresses announced to Internet: 749834048
Equivalent to 44 /8s, 177 /16s and 143 /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: 298516
Total ARIN prefixes after maximum aggregation: 133270
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299561
Unique aggregates announced from the ARIN address blocks: 140426
ARIN Region origin ASes present in the Internet Routing Table: 19251
ARIN Prefixes per ASN: 15.56
ARIN Region origin ASes announcing only one prefix: 7011
ARIN Region transit ASes present in the Internet Routing Table: 1919
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: 5245
Number of ARIN addresses announced to Internet: 1349387520
Equivalent to 80 /8s, 110 /16s and 5 /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: 293331
Total RIPE prefixes after maximum aggregation: 136953
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291844
Unique aggregates announced from the RIPE address blocks: 177034
RIPE Region origin ASes present in the Internet Routing Table: 28968
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: 3876
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: 12537
Number of RIPE addresses announced to Internet: 731538534
Equivalent to 43 /8s, 154 /16s and 100 /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: 138853
Total LACNIC prefixes after maximum aggregation: 29854
LACNIC Deaggregation factor: 4.65
Prefixes being announced from the LACNIC address blocks: 135416
Unique aggregates announced from the LACNIC address blocks: 48962
LACNIC Region origin ASes present in the Internet Routing Table: 11284
LACNIC Prefixes per ASN: 12.00
LACNIC Region origin ASes announcing only one prefix: 2173
LACNIC Region transit ASes present in the Internet Routing Table: 2488
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: 171256096
Equivalent to 10 /8s, 53 /16s and 41 /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: 39814
Total AfriNIC prefixes after maximum aggregation: 6873
AfriNIC Deaggregation factor: 5.79
Prefixes being announced from the AfriNIC address blocks: 53587
Unique aggregates announced from the AfriNIC address blocks: 13966
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 27.81
AfriNIC Region origin ASes announcing only one prefix: 645
AfriNIC Region transit ASes present in the Internet Routing Table: 361
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: 105199104
Equivalent to 6 /8s, 69 /16s and 54 /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 4457 535 313 BBIL-AP BHARTI Airtel Ltd., IN
18403 4429 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 13611 40952 5238 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 2837 215 1725 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 7655 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 2455 364 579 TELLCOM-AS, TR
212238 2362 170 1730 CDNEXT, GB
8452 1885 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 12342 3259 574 UNINET, MX
10620 3509 481 1020 Telmex Colombia S.A., CO
13999 2539 538 356 Mega Cable, S.A. de C.V., MX
11830 1988 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 1823 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 1249 554 96 MT-MPLS, MA
37069 1075 1100 18 MOBINIL, EG
36935 1063 520 43 Vodafone-, EG
36914 579 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 13611 40952 5238 AMAZON-02, US
8151 12342 3259 574 UNINET, MX
9808 11620 8759 115 CHINAMOBILE-CN China Mobile Communication
47331 9764 1298 1046 TTNET, TR
12479 7655 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 12342 11768 UNINET, MX
9808 11620 11505 CHINAMOBILE-CN China Mobile Communications Grou
47331 9764 8718 TTNET, TR
12479 7655 7507 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 4429 4404 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 /15:2187 /16:13904 /17:8421 /18:14022
/19:25295 /20:46136 /21:54626 /22:115853 /23:111310 /24:643532
/25:406 /26:581 /27:1041 /28:69 /29:105 /30:18
/31:3 /32:826
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8842 9764 TTNET, TR
12479 6578 7655 UNI2-AS, ES
8151 6524 12342 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 2347 13611 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 2:1514 3:827 4:25 5:5091 6:162
7:6 8:1643 9:1 11:172 12:1349 13:453
14:2592 15:366 16:285 17:382 18:895 20:566
21:4 22:188 23:7794 24:2829 25:2 27:2841
29:19 31:3378 32:50 33:1 34:84 35:261
36:3290 37:4688 38:10687 39:910 40:232 41:4836
42:1943 43:2699 44:379 45:20235 46:5204 47:330
49:1932 50:1905 51:592 52:1587 54:321 55:1101
56:11 57:281 58:2282 59:1451 60:1173 61:3051
62:3048 63:1822 64:5579 65:2203 66:4809 67:3146
68:1115 69:4036 70:1072 71:629 72:2960 74:2826
75:1525 76:611 77:2881 78:4365 79:1756 80:2239
81:2258 82:3247 83:1496 84:1898 85:4432 86:1091
87:2403 88:3578 89:4583 90:779 91:8525 92:2770
93:2966 94:4139 95:5670 96:1502 97:315 98:961
99:692 100:72 101:1430 102:4457 103:32548 104:5252
105:2241 106:978 107:2655 108:1279 109:4204 110:2249
111:3309 112:2205 113:1884 114:1982 115:2255 116:2126
117:2558 118:3004 119:1976 120:2131 121:1397 122:2821
123:2579 124:1736 125:2930 126:91 128:1637 129:995
130:1336 131:2215 132:892 133:450 134:1574 135:435
136:1393 137:1193 138:3183 139:1588 140:1639 141:1510
142:1942 143:2081 144:1176 145:562 146:2198 147:2112
148:2716 149:3000 150:1269 151:2193 152:2112 153:590
154:8211 155:1792 156:3237 157:1956 158:1346 159:2512
160:3741 161:1912 162:3898 163:2242 164:1916 165:2108
166:1511 167:2039 168:4296 169:808 170:5586 171:1010
172:4467 173:3390 174:922 175:1321 176:3849 177:5984
178:4108 179:2742 180:2665 181:4314 182:3490 183:2214
184:2131 185:21854 186:5898 187:5129 188:4393 189:4722
190:10011 191:1700 192:11365 193:9576 194:7890 195:5743
196:3701 197:3954 198:6243 199:8602 200:8811 201:6634
202:10843 203:10797 204:4630 205:3706 206:4558 207:3659
208:4289 209:5243 210:4936 211:2655 212:4801 213:3933
214:1014 215:46 216:6863 217:3280 218:1424 219:573
220:2141 221:1154 222:846 223:2596
End of report
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