[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Jun 18 22:45:30 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 18 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: 1037960
Prefixes after maximum aggregation (per Origin AS): 384044
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 482870
Total ASes present in the Internet Routing Table: 77022
Prefixes per ASN: 13.48
Origin-only ASes present in the Internet Routing Table: 66301
Origin ASes announcing only one prefix: 26308
Transit ASes present in the Internet Routing Table: 10721
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: 1202
Number of instances of unregistered ASNs: 1240
Number of 32-bit ASNs allocated by the RIRs: 46679
Number of 32-bit ASNs visible in the Routing Table: 38440
Prefixes from 32-bit ASNs in the Routing Table: 216037
Number of bogon 32-bit ASNs visible in the Routing Table: 154
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 446
Number of addresses announced to Internet: 3107510790
Equivalent to 185 /8s, 56 /16s and 218 /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: 351313
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267402
Total APNIC prefixes after maximum aggregation: 77813
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 258811
Unique aggregates announced from the APNIC address blocks: 104660
APNIC Region origin ASes present in the Internet Routing Table: 14644
APNIC Prefixes per ASN: 17.67
APNIC Region origin ASes announcing only one prefix: 4450
APNIC Region transit ASes present in the Internet Routing Table: 1939
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: 10150
Number of APNIC addresses announced to Internet: 749792064
Equivalent to 44 /8s, 176 /16s and 235 /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: 297950
Total ARIN prefixes after maximum aggregation: 132772
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299260
Unique aggregates announced from the ARIN address blocks: 139346
ARIN Region origin ASes present in the Internet Routing Table: 19251
ARIN Prefixes per ASN: 15.55
ARIN Region origin ASes announcing only one prefix: 7010
ARIN Region transit ASes present in the Internet Routing Table: 1911
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: 5244
Number of ARIN addresses announced to Internet: 1349760768
Equivalent to 80 /8s, 115 /16s and 183 /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: 292542
Total RIPE prefixes after maximum aggregation: 136150
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290912
Unique aggregates announced from the RIPE address blocks: 176069
RIPE Region origin ASes present in the Internet Routing Table: 28988
RIPE Prefixes per ASN: 10.04
RIPE Region origin ASes announcing only one prefix: 12037
RIPE Region transit ASes present in the Internet Routing Table: 3871
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: 12524
Number of RIPE addresses announced to Internet: 731267686
Equivalent to 43 /8s, 150 /16s and 66 /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: 139140
Total LACNIC prefixes after maximum aggregation: 29712
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135789
Unique aggregates announced from the LACNIC address blocks: 48814
LACNIC Region origin ASes present in the Internet Routing Table: 11274
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2158
LACNIC Region transit ASes present in the Internet Routing Table: 2481
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: 9222
Number of LACNIC addresses announced to Internet: 171356768
Equivalent to 10 /8s, 54 /16s and 178 /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: 39724
Total AfriNIC prefixes after maximum aggregation: 6823
AfriNIC Deaggregation factor: 5.82
Prefixes being announced from the AfriNIC address blocks: 52741
Unique aggregates announced from the AfriNIC address blocks: 13584
AfriNIC Region origin ASes present in the Internet Routing Table: 1934
AfriNIC Prefixes per ASN: 27.27
AfriNIC Region origin ASes announcing only one prefix: 653
AfriNIC Region transit ASes present in the Internet Routing Table: 364
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: 1300
Number of AfriNIC addresses announced to Internet: 105126912
Equivalent to 6 /8s, 68 /16s and 28 /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 11281 8759 106 CHINAMOBILE-CN China Mobile Communication
7545 6191 847 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4962 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4490 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4431 534 311 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3715 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3298 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2891 856 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2209 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 13682 40935 5230 AMAZON-02, US
174 5468 8744 876 COGENT-174, US
11492 4772 316 600 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 81 SHAW, CA
22773 3348 3033 168 ASN-CXA-ALL-CCI-22773-RDC, US
749 3227 54767 2478 DNIC-AS-00749, US
396982 3189 3854 427 GOOGLE-CLOUD-PLATFORM, US
16625 3144 1315 2263 AKAMAI-AS, US
36352 2816 230 846 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 7679 1713 148 UNI2-AS, ES
39891 4780 291 66 ALJAWWALSTC-AS, SA
20940 4079 3396 140 AKAMAI-ASN1, NL
9009 3938 360 2084 M247, RO
12389 3121 2305 888 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2451 364 569 TELLCOM-AS, TR
212238 2303 169 1686 CDNEXT, GB
8452 1935 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 12257 3256 575 UNINET, MX
10620 3502 481 1019 Telmex Colombia S.A., CO
13999 2533 537 353 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1614 2436 266 Claro NXT Telecomunicacoes Ltda, BR
3816 1340 787 207 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1201 371 22 Telefonica del Peru S.A.A., PE
11664 1114 278 33 Techtel LMDS Comunicaciones Interactivas
28202 1099 52 9 MASTER SA, BR
22884 1065 71 374 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 1820 644 27 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1622 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 1063 520 43 Vodafone-, EG
3741 564 661 320 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 13682 40935 5230 AMAZON-02, US
8151 12257 3256 575 UNINET, MX
9808 11281 8759 106 CHINAMOBILE-CN China Mobile Communication
47331 9759 1297 1052 TTNET, TR
12479 7679 1713 148 UNI2-AS, ES
7545 6191 847 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5468 8744 876 COGENT-174, US
4538 4962 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4780 291 66 ALJAWWALSTC-AS, SA
11492 4772 316 600 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 12257 11682 UNINET, MX
9808 11281 11175 CHINAMOBILE-CN China Mobile Communications Grou
47331 9759 8707 TTNET, TR
12479 7679 7531 UNI2-AS, ES
7545 6191 5541 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4962 4884 ERX-CERNET-BKB China Education and Research Net
39891 4780 4714 ALJAWWALSTC-AS, SA
174 5468 4592 COGENT-174, US
18403 4490 4465 FPT-AS-AP FPT Telecom Company, VN
11492 4772 4172 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
394804 UNALLOCATED 8.33.225.0/24 3356 LEVEL3, 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
100.64.3.0/24 52091 LEVEL-MSK-AS Level-MSK Ltd., RU
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
23.155.208.0/24 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/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 /12:300
/13:584 /14:1219 /15:2186 /16:13960 /17:8430 /18:14023
/19:25310 /20:46137 /21:54532 /22:115795 /23:110992 /24:641035
/25:404 /26:582 /27:1040 /28:68 /29:104 /30:17
/31:3 /32:1075
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8838 9759 TTNET, TR
12479 6598 7679 UNI2-AS, ES
8151 6451 12257 UNINET, MX
11492 3568 4772 CABLEONE, US
39891 3489 4780 ALJAWWALSTC-AS, SA
6327 3431 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2499 3348 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2373 13682 AMAZON-02, US
30036 2253 2594 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2426 2:1534 3:826 4:25 5:5108 6:162
7:6 8:1642 9:1 11:172 12:1353 13:455
14:2568 15:364 16:285 17:378 18:921 20:556
21:4 22:188 23:7695 24:2974 25:2 27:2832
29:19 31:3370 32:50 33:1 34:84 35:258
36:3129 37:4691 38:10685 39:909 40:175 41:4792
42:2014 43:2654 44:388 45:20167 46:5185 47:323
49:1990 50:1901 51:592 52:1598 54:323 55:1077
56:11 57:279 58:2313 59:1454 60:1171 61:3048
62:3048 63:1822 64:5521 65:2206 66:4755 67:3128
68:1149 69:4018 70:1091 71:633 72:2958 74:2839
75:1525 76:620 77:2822 78:4362 79:1741 80:2247
81:2214 82:3236 83:1456 84:1897 85:4429 86:1092
87:2401 88:3573 89:4592 90:774 91:8533 92:2756
93:2939 94:4120 95:5625 96:1485 97:315 98:985
99:692 100:74 101:1446 102:4437 103:32465 104:5182
105:2238 106:1040 107:2678 108:1263 109:4159 110:2239
111:3346 112:2147 113:1844 114:2011 115:2265 116:2128
117:2535 118:2917 119:1973 120:2090 121:1447 122:2806
123:2492 124:1707 125:2925 126:91 128:1643 129:993
130:1338 131:2200 132:892 133:450 134:1563 135:392
136:1360 137:1188 138:3204 139:1591 140:1613 141:1502
142:1946 143:1992 144:1188 145:552 146:2210 147:2120
148:2688 149:2961 150:1261 151:1967 152:2110 153:590
154:7687 155:1772 156:2923 157:1946 158:1338 159:2500
160:3712 161:1909 162:3883 163:2241 164:1909 165:2034
166:1497 167:2012 168:4317 169:825 170:5585 171:1013
172:4489 173:3359 174:921 175:1304 176:3850 177:6185
178:3934 179:2755 180:2707 181:4298 182:3454 183:2194
184:2132 185:21876 186:5832 187:5159 188:4390 189:4720
190:9977 191:2071 192:11356 193:9561 194:7916 195:5723
196:3689 197:3949 198:6241 199:8570 200:8806 201:6643
202:10762 203:10803 204:4590 205:3687 206:4545 207:3606
208:4294 209:5255 210:4941 211:2644 212:4805 213:3905
214:1030 215:48 216:6853 217:3259 218:1419 219:572
220:2142 221:1144 222:857 223:2524
End of report
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