[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed May 28 22:45:25 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 28 May, 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: 1036637
Prefixes after maximum aggregation (per Origin AS): 383263
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 482379
Total ASes present in the Internet Routing Table: 77027
Prefixes per ASN: 13.46
Origin-only ASes present in the Internet Routing Table: 66280
Origin ASes announcing only one prefix: 26371
Transit ASes present in the Internet Routing Table: 10747
Transit-only ASes present in the Internet Routing Table: 538
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: 1156
Number of instances of unregistered ASNs: 1166
Number of 32-bit ASNs allocated by the RIRs: 46523
Number of 32-bit ASNs visible in the Routing Table: 38359
Prefixes from 32-bit ASNs in the Routing Table: 215140
Number of bogon 32-bit ASNs visible in the Routing Table: 88
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 465
Number of addresses announced to Internet: 3111729829
Equivalent to 185 /8s, 121 /16s and 58 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 350305
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266529
Total APNIC prefixes after maximum aggregation: 77728
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257633
Unique aggregates announced from the APNIC address blocks: 104526
APNIC Region origin ASes present in the Internet Routing Table: 14645
APNIC Prefixes per ASN: 17.59
APNIC Region origin ASes announcing only one prefix: 4441
APNIC Region transit ASes present in the Internet Routing Table: 1933
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10145
Number of APNIC addresses announced to Internet: 749762368
Equivalent to 44 /8s, 176 /16s and 119 /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: 297946
Total ARIN prefixes after maximum aggregation: 132567
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298904
Unique aggregates announced from the ARIN address blocks: 139416
ARIN Region origin ASes present in the Internet Routing Table: 19259
ARIN Prefixes per ASN: 15.52
ARIN Region origin ASes announcing only one prefix: 7036
ARIN Region transit ASes present in the Internet Routing Table: 1902
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: 5227
Number of ARIN addresses announced to Internet: 1352768256
Equivalent to 80 /8s, 161 /16s and 155 /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: 291567
Total RIPE prefixes after maximum aggregation: 135716
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289604
Unique aggregates announced from the RIPE address blocks: 175260
RIPE Region origin ASes present in the Internet Routing Table: 29003
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 12055
RIPE Region transit ASes present in the Internet Routing Table: 3882
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: 731721317
Equivalent to 43 /8s, 157 /16s and 46 /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: 139847
Total LACNIC prefixes after maximum aggregation: 29757
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135626
Unique aggregates announced from the LACNIC address blocks: 49074
LACNIC Region origin ASes present in the Internet Routing Table: 11266
LACNIC Prefixes per ASN: 12.04
LACNIC Region origin ASes announcing only one prefix: 2188
LACNIC Region transit ASes present in the Internet Routing Table: 2491
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: 9220
Number of LACNIC addresses announced to Internet: 172002304
Equivalent to 10 /8s, 64 /16s and 140 /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: 39592
Total AfriNIC prefixes after maximum aggregation: 6818
AfriNIC Deaggregation factor: 5.81
Prefixes being announced from the AfriNIC address blocks: 54404
Unique aggregates announced from the AfriNIC address blocks: 13692
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 28.26
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 370
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1291
Number of AfriNIC addresses announced to Internet: 105263104
Equivalent to 6 /8s, 70 /16s and 48 /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 11106 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 4404 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4383 533 302 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 3295 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2874 853 532 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 13577 40828 5183 AMAZON-02, US
174 5324 8746 888 COGENT-174, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3360 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3171 3853 419 GOOGLE-CLOUD-PLATFORM, US
16625 3151 1311 2262 AKAMAI-AS, US
36352 2819 230 854 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 4085 3396 140 AKAMAI-ASN1, NL
9009 3920 357 2088 M247, RO
12389 3081 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2194 156 1623 CDNEXT, GB
8452 1924 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 12471 3273 684 UNINET, MX
10620 3500 480 1017 Telmex Colombia S.A., CO
13999 2511 540 365 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1600 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
28202 1115 52 9 MASTER SA, BR
11664 1097 278 33 Techtel LMDS Comunicaciones Interactivas
262287 1074 83 232 Latitude.sh LTDA, 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 1780 644 27 RAYA-AS, EG
24863 1652 389 16 LINKdotNET-AS, EG
37457 1636 316 32 Telkom-Internet, ZA
29571 1609 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 992 523 46 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 13577 40828 5183 AMAZON-02, US
8151 12471 3273 684 UNINET, MX
9808 11106 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 5324 8746 888 COGENT-174, US
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4735 314 586 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 12471 11787 UNINET, MX
9808 11106 11008 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 5324 4436 COGENT-174, US
18403 4404 4379 FPT-AS-AP FPT Telecom Company, VN
11492 4735 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
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 /9:16 /10:41 /11:92 /12:299
/13:583 /14:1231 /15:2198 /16:14016 /17:8451 /18:14206
/19:25381 /20:46110 /21:54444 /22:115517 /23:110685 /24:640014
/25:582 /26:589 /27:1055 /28:68 /29:106 /30:18
/31:3 /32:915
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6620 7707 UNI2-AS, ES
8151 6607 12471 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3426 3631 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2508 3360 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2382 13577 AMAZON-02, US
30036 2233 2574 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 2:1534 3:794 4:25 5:5025 6:162
7:6 8:1654 9:1 11:172 12:1366 13:440
14:2568 15:357 16:285 17:377 18:921 20:553
21:4 22:188 23:7633 24:2908 25:2 27:2832
29:19 31:3343 32:51 33:1 34:84 35:217
36:2993 37:4727 38:10461 39:910 40:171 41:4785
42:1980 43:2629 44:387 45:20213 46:5153 47:305
49:1956 50:1905 51:590 52:1599 54:320 55:879
56:11 57:272 58:2311 59:1441 60:1168 61:3044
62:3053 63:1824 64:5522 65:2207 66:4761 67:3126
68:1157 69:4021 70:1101 71:643 72:2943 74:2833
75:1532 76:621 77:2820 78:4370 79:1708 80:2248
81:2267 82:3173 83:1482 84:1887 85:4392 86:1075
87:2410 88:3552 89:4569 90:778 91:8492 92:2742
93:2930 94:4151 95:5606 96:1474 97:326 98:981
99:686 100:72 101:1448 102:4403 103:32534 104:5078
105:2240 106:1035 107:2665 108:1266 109:4100 110:2257
111:3358 112:2136 113:1844 114:1997 115:2238 116:2097
117:2537 118:2886 119:1981 120:1992 121:1448 122:2796
123:2425 124:1699 125:2915 126:91 128:1647 129:1034
130:1352 131:2143 132:897 133:451 134:1553 135:379
136:1361 137:1187 138:3250 139:1595 140:1606 141:1510
142:1950 143:1908 144:1135 145:517 146:2211 147:2119
148:2711 149:2963 150:1256 151:1936 152:2113 153:565
154:8340 155:2014 156:3324 157:1946 158:1337 159:2481
160:3954 161:1889 162:3797 163:2204 164:1789 165:2258
166:1492 167:1957 168:4636 169:819 170:5562 171:1013
172:4452 173:3331 174:917 175:1307 176:3829 177:6156
178:3835 179:2786 180:2699 181:4277 182:3409 183:2133
184:2126 185:21891 186:5804 187:5126 188:4372 189:4690
190:9945 191:2059 192:11350 193:9537 194:7913 195:5721
196:3656 197:3936 198:6247 199:8565 200:8708 201:6601
202:10776 203:10773 204:4596 205:3679 206:4547 207:3610
208:4282 209:5267 210:4915 211:2636 212:4779 213:3885
214:1031 215:48 216:6844 217:3207 218:1410 219:557
220:2095 221:1107 222:855 223:2425
End of report
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