[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun Jun 8 22:45:07 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 08 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: 1037723
Prefixes after maximum aggregation (per Origin AS): 383655
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483345
Total ASes present in the Internet Routing Table: 77045
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66325
Origin ASes announcing only one prefix: 26335
Transit ASes present in the Internet Routing Table: 10720
Transit-only ASes present in the Internet Routing Table: 539
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: 1140
Number of instances of unregistered ASNs: 1178
Number of 32-bit ASNs allocated by the RIRs: 46629
Number of 32-bit ASNs visible in the Routing Table: 38406
Prefixes from 32-bit ASNs in the Routing Table: 215630
Number of bogon 32-bit ASNs visible in the Routing Table: 151
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 444
Number of addresses announced to Internet: 3112396549
Equivalent to 185 /8s, 131 /16s and 103 /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: 350659
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266761
Total APNIC prefixes after maximum aggregation: 77776
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 258186
Unique aggregates announced from the APNIC address blocks: 104560
APNIC Region origin ASes present in the Internet Routing Table: 14656
APNIC Prefixes per ASN: 17.62
APNIC Region origin ASes announcing only one prefix: 4450
APNIC Region transit ASes present in the Internet Routing Table: 1931
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: 10153
Number of APNIC addresses announced to Internet: 749808448
Equivalent to 44 /8s, 177 /16s and 43 /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: 298771
Total ARIN prefixes after maximum aggregation: 132705
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299319
Unique aggregates announced from the ARIN address blocks: 139511
ARIN Region origin ASes present in the Internet Routing Table: 19258
ARIN Prefixes per ASN: 15.54
ARIN Region origin ASes announcing only one prefix: 7022
ARIN Region transit ASes present in the Internet Routing Table: 1913
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: 5231
Number of ARIN addresses announced to Internet: 1353490176
Equivalent to 80 /8s, 172 /16s and 159 /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: 292173
Total RIPE prefixes after maximum aggregation: 135957
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 290431
Unique aggregates announced from the RIPE address blocks: 175587
RIPE Region origin ASes present in the Internet Routing Table: 29008
RIPE Prefixes per ASN: 10.01
RIPE Region origin ASes announcing only one prefix: 12032
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: 12502
Number of RIPE addresses announced to Internet: 731543909
Equivalent to 43 /8s, 154 /16s and 121 /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: 139337
Total LACNIC prefixes after maximum aggregation: 29731
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135839
Unique aggregates announced from the LACNIC address blocks: 48961
LACNIC Region origin ASes present in the Internet Routing Table: 11273
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2178
LACNIC Region transit ASes present in the Internet Routing Table: 2478
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: 9224
Number of LACNIC addresses announced to Internet: 171993184
Equivalent to 10 /8s, 64 /16s and 104 /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: 39541
Total AfriNIC prefixes after maximum aggregation: 6825
AfriNIC Deaggregation factor: 5.79
Prefixes being announced from the AfriNIC address blocks: 53503
Unique aggregates announced from the AfriNIC address blocks: 14331
AfriNIC Region origin ASes present in the Internet Routing Table: 1928
AfriNIC Prefixes per ASN: 27.75
AfriNIC Region origin ASes announcing only one prefix: 653
AfriNIC Region transit ASes present in the Internet Routing Table: 366
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: 1296
Number of AfriNIC addresses announced to Internet: 105292800
Equivalent to 6 /8s, 70 /16s and 164 /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 11122 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6180 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4475 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4404 534 307 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 2885 855 531 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 40956 5227 AMAZON-02, US
174 5343 8746 895 COGENT-174, US
11492 4760 316 593 CABLEONE, US
7155 3863 286 85 VIASAT-SP-BACKBONE, US
6327 3632 1320 81 SHAW, CA
22773 3349 3033 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3229 54783 2480 DNIC-AS-00749, US
396982 3182 3853 424 GOOGLE-CLOUD-PLATFORM, US
16625 3144 1313 2266 AKAMAI-AS, US
36352 2815 230 855 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 7683 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4070 3396 140 AKAMAI-ASN1, NL
9009 3900 358 2078 M247, RO
12389 3123 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2250 163 1641 CDNEXT, GB
8452 1931 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 12237 3255 583 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2548 540 363 Mega Cable, S.A. de C.V., MX
11830 1992 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 1199 371 22 Telefonica del Peru S.A.A., PE
28202 1113 52 9 MASTER SA, BR
11664 1102 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1064 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 1614 102 33 ORANGE-COTE-IVOIRE, CI
36992 1434 1519 280 ETISALAT-MISR, EG
20011 1296 205 346 INTERNET-SOLUTIONS, ZA
36903 1247 553 104 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1068 523 46 Vodafone-, EG
3741 559 661 319 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 40956 5227 AMAZON-02, US
8151 12237 3255 583 UNINET, MX
9808 11122 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7683 1714 148 UNI2-AS, ES
7545 6180 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5343 8746 895 COGENT-174, US
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4760 316 593 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 12237 11654 UNINET, MX
9808 11122 11024 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7683 7535 UNI2-AS, ES
7545 6180 5530 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4792 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
18403 4475 4450 FPT-AS-AP FPT Telecom Company, VN
174 5343 4448 COGENT-174, US
11492 4760 4167 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
169.254.0.0/16 38917 KOMTEL-AS, 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 /12:299
/13:584 /14:1231 /15:2197 /16:14014 /17:8449 /18:14213
/19:25362 /20:46138 /21:54512 /22:115767 /23:110941 /24:640714
/25:407 /26:582 /27:1040 /28:68 /29:104 /30:17
/31:3 /32:917
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6602 7683 UNI2-AS, ES
8151 6415 12237 UNINET, MX
11492 3557 4760 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3632 SHAW, CA
7155 2822 3863 VIASAT-SP-BACKBONE, US
22773 2498 3349 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2386 13663 AMAZON-02, US
30036 2243 2584 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2417 2:1527 3:813 4:25 5:5029 6:162
7:6 8:1648 9:1 11:172 12:1357 13:436
14:2566 15:362 16:285 17:377 18:922 20:555
21:4 22:188 23:7664 24:2908 25:2 27:2835
29:19 31:3349 32:51 33:1 34:84 35:258
36:3078 37:4705 38:10507 39:912 40:173 41:4744
42:2005 43:2643 44:384 45:20100 46:5183 47:322
49:1988 50:1905 51:591 52:1603 54:323 55:1092
56:11 57:272 58:2305 59:1433 60:1171 61:3045
62:3065 63:1824 64:5515 65:2207 66:4745 67:3120
68:1152 69:4028 70:1097 71:638 72:2946 74:2838
75:1528 76:620 77:2831 78:4368 79:1737 80:2266
81:2236 82:3200 83:1482 84:1892 85:4416 86:1084
87:2419 88:3560 89:4574 90:773 91:8504 92:2730
93:2940 94:4140 95:5623 96:1475 97:315 98:983
99:697 100:73 101:1458 102:4371 103:32533 104:5120
105:2242 106:1036 107:2672 108:1268 109:4138 110:2254
111:3345 112:2153 113:1844 114:2003 115:2194 116:2120
117:2531 118:2906 119:1978 120:2011 121:1451 122:2803
123:2493 124:1705 125:2919 126:91 128:1636 129:1039
130:1346 131:2159 132:894 133:449 134:1558 135:380
136:1358 137:1189 138:3189 139:1594 140:1610 141:1508
142:1948 143:1920 144:1136 145:541 146:2210 147:2124
148:2726 149:2961 150:1262 151:1949 152:2111 153:587
154:7811 155:2013 156:3075 157:1946 158:1335 159:2497
160:3967 161:1910 162:3836 163:2214 164:1921 165:2266
166:1494 167:1975 168:4587 169:823 170:5564 171:998
172:4468 173:3344 174:919 175:1303 176:3847 177:6047
178:3900 179:2723 180:2707 181:4327 182:3447 183:2160
184:2125 185:21911 186:5929 187:5095 188:4375 189:4662
190:10044 191:2030 192:11356 193:9550 194:7926 195:5726
196:3654 197:3935 198:6250 199:8581 200:8821 201:6632
202:10752 203:10783 204:4603 205:3688 206:4546 207:3646
208:4265 209:5269 210:4926 211:2636 212:4793 213:3886
214:1025 215:46 216:6862 217:3229 218:1419 219:558
220:2095 221:1126 222:855 223:2498
End of report
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