[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Jun 3 22:45:12 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 03 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: 1037519
Prefixes after maximum aggregation (per Origin AS): 383669
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483184
Total ASes present in the Internet Routing Table: 77032
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66297
Origin ASes announcing only one prefix: 26368
Transit ASes present in the Internet Routing Table: 10735
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: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1128
Number of instances of unregistered ASNs: 1138
Number of 32-bit ASNs allocated by the RIRs: 46558
Number of 32-bit ASNs visible in the Routing Table: 38380
Prefixes from 32-bit ASNs in the Routing Table: 215353
Number of bogon 32-bit ASNs visible in the Routing Table: 51
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 452
Number of addresses announced to Internet: 3112267813
Equivalent to 185 /8s, 129 /16s and 112 /24s
Percentage of available address space announced: 84.1
Percentage of allocated address space announced: 84.1
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: 350377
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266827
Total APNIC prefixes after maximum aggregation: 77839
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257784
Unique aggregates announced from the APNIC address blocks: 104503
APNIC Region origin ASes present in the Internet Routing Table: 14657
APNIC Prefixes per ASN: 17.59
APNIC Region origin ASes announcing only one prefix: 4465
APNIC Region transit ASes present in the Internet Routing Table: 1932
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 35
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10160
Number of APNIC addresses announced to Internet: 749784896
Equivalent to 44 /8s, 176 /16s and 207 /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: 298863
Total ARIN prefixes after maximum aggregation: 132703
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299036
Unique aggregates announced from the ARIN address blocks: 139404
ARIN Region origin ASes present in the Internet Routing Table: 19257
ARIN Prefixes per ASN: 15.53
ARIN Region origin ASes announcing only one prefix: 7028
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: 5226
Number of ARIN addresses announced to Internet: 1353050112
Equivalent to 80 /8s, 165 /16s and 232 /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: 291724
Total RIPE prefixes after maximum aggregation: 135797
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289833
Unique aggregates announced from the RIPE address blocks: 175378
RIPE Region origin ASes present in the Internet Routing Table: 28988
RIPE Prefixes per ASN: 10.00
RIPE Region origin ASes announcing only one prefix: 12034
RIPE Region transit ASes present in the Internet Routing Table: 3873
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: 12476
Number of RIPE addresses announced to Internet: 731853413
Equivalent to 43 /8s, 159 /16s and 50 /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: 139329
Total LACNIC prefixes after maximum aggregation: 29837
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 135922
Unique aggregates announced from the LACNIC address blocks: 49021
LACNIC Region origin ASes present in the Internet Routing Table: 11275
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2187
LACNIC Region transit ASes present in the Internet Routing Table: 2477
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: 9221
Number of LACNIC addresses announced to Internet: 172053632
Equivalent to 10 /8s, 65 /16s and 84 /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: 39648
Total AfriNIC prefixes after maximum aggregation: 6823
AfriNIC Deaggregation factor: 5.81
Prefixes being announced from the AfriNIC address blocks: 54491
Unique aggregates announced from the AfriNIC address blocks: 14474
AfriNIC Region origin ASes present in the Internet Routing Table: 1930
AfriNIC Prefixes per ASN: 28.23
AfriNIC Region origin ASes announcing only one prefix: 654
AfriNIC Region transit ASes present in the Internet Routing Table: 371
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 25
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1297
Number of AfriNIC addresses announced to Internet: 105326080
Equivalent to 6 /8s, 71 /16s and 38 /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 11123 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4421 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4401 534 306 BBIL-AP BHARTI Airtel Ltd., IN
7552 3924 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3716 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3296 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2882 854 530 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 1439 86 TENCENT-NET-AP Shenzhen Tencent Computer
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 13663 40830 5209 AMAZON-02, US
174 5333 8747 896 COGENT-174, US
11492 4753 315 592 CABLEONE, US
7155 3861 286 85 VIASAT-SP-BACKBONE, US
6327 3632 1320 81 SHAW, CA
22773 3360 3049 171 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3176 3853 420 GOOGLE-CLOUD-PLATFORM, US
16625 3146 1314 2266 AKAMAI-AS, US
36352 2804 229 851 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 9752 1296 1077 TTNET, TR
12479 7707 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4084 3396 140 AKAMAI-ASN1, NL
9009 3922 358 2090 M247, RO
12389 3082 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2229 161 1639 CDNEXT, GB
8452 1929 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 12472 3271 681 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2514 540 362 Mega Cable, S.A. de C.V., MX
11830 1992 369 64 Instituto Costarricense de Electricidad y
28573 1612 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1199 371 22 Telefonica del Peru S.A.A., PE
28202 1113 52 9 MASTER SA, BR
11664 1099 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1065 71 378 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1780 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1634 389 17 LINKdotNET-AS, EG
29571 1612 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1297 205 347 INTERNET-SOLUTIONS, ZA
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1052 520 43 Vodafone-, EG
3741 560 661 319 IS, ZA
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 13663 40830 5209 AMAZON-02, US
8151 12472 3271 681 UNINET, MX
9808 11123 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7707 1714 148 UNI2-AS, ES
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5333 8747 896 COGENT-174, US
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4753 315 592 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 12472 11791 UNINET, MX
9808 11123 11025 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7707 7559 UNI2-AS, ES
7545 6178 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4792 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5333 4437 COGENT-174, US
18403 4421 4396 FPT-AS-AP FPT Telecom Company, VN
11492 4753 4161 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
12169 UNALLOCATED 8.15.207.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
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
23.147.240.0/24 Origin: 32302 RESERVED, ZZ
23.147.240.0/24 Transit: 32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NE
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
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
/13:583 /14:1231 /15:2199 /16:14014 /17:8453 /18:14214
/19:25364 /20:46106 /21:54524 /22:115693 /23:110766 /24:640624
/25:585 /26:582 /27:1055 /28:68 /29:103 /30:18
/31:3 /32:871
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6624 7707 UNI2-AS, ES
8151 6617 12472 UNINET, MX
11492 3550 4753 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3632 SHAW, CA
7155 2820 3861 VIASAT-SP-BACKBONE, US
22773 2506 3360 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2393 13663 AMAZON-02, US
30036 2236 2577 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2418 2:1533 3:806 4:24 5:5012 6:162
7:6 8:1639 9:1 11:172 12:1363 13:440
14:2564 15:361 16:285 17:376 18:919 20:555
21:4 22:188 23:7642 24:2907 25:2 27:2831
29:19 31:3340 32:51 33:1 34:84 35:257
36:3044 37:4702 38:10441 39:911 40:171 41:4774
42:1979 43:2639 44:380 45:20198 46:5157 47:322
49:1957 50:1903 51:590 52:1603 54:322 55:1053
56:11 57:272 58:2304 59:1444 60:1167 61:3044
62:3070 63:1825 64:5507 65:2208 66:4756 67:3120
68:1156 69:4010 70:1098 71:642 72:2950 74:2834
75:1528 76:621 77:2815 78:4366 79:1732 80:2248
81:2245 82:3195 83:1487 84:1879 85:4397 86:1075
87:2419 88:3561 89:4562 90:775 91:8501 92:2730
93:2933 94:4138 95:5614 96:1476 97:325 98:980
99:695 100:73 101:1459 102:4406 103:32535 104:5090
105:2238 106:1037 107:2668 108:1268 109:4138 110:2253
111:3341 112:2136 113:1842 114:1995 115:2196 116:2114
117:2534 118:2907 119:1979 120:2002 121:1451 122:2798
123:2428 124:1700 125:2917 126:91 128:1637 129:1038
130:1353 131:2152 132:899 133:449 134:1560 135:380
136:1362 137:1187 138:3232 139:1596 140:1607 141:1510
142:1950 143:1928 144:1154 145:536 146:2211 147:2119
148:2734 149:2959 150:1261 151:1955 152:2115 153:579
154:8299 155:2002 156:3387 157:1944 158:1337 159:2486
160:3956 161:1893 162:3810 163:2216 164:1834 165:2260
166:1491 167:1963 168:4630 169:822 170:5575 171:1012
172:4455 173:3341 174:921 175:1304 176:3832 177:6090
178:3855 179:2732 180:2695 181:4316 182:3448 183:2140
184:2124 185:21881 186:5870 187:5100 188:4364 189:4658
190:10054 191:2067 192:11327 193:9531 194:7910 195:5714
196:3657 197:3935 198:6239 199:8571 200:8822 201:6607
202:10766 203:10761 204:4589 205:3667 206:4535 207:3614
208:4261 209:5256 210:4916 211:2635 212:4788 213:3891
214:1028 215:48 216:6845 217:3222 218:1411 219:557
220:2090 221:1107 222:855 223:2423
End of report
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