[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Jun 2 22:45:01 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 02 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: 1037856
Prefixes after maximum aggregation (per Origin AS): 383692
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483289
Total ASes present in the Internet Routing Table: 77051
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66293
Origin ASes announcing only one prefix: 26379
Transit ASes present in the Internet Routing Table: 10758
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: 1136
Number of instances of unregistered ASNs: 1146
Number of 32-bit ASNs allocated by the RIRs: 46555
Number of 32-bit ASNs visible in the Routing Table: 38384
Prefixes from 32-bit ASNs in the Routing Table: 215268
Number of bogon 32-bit ASNs visible in the Routing Table: 87
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 453
Number of addresses announced to Internet: 3112106533
Equivalent to 185 /8s, 126 /16s and 250 /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: 350535
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266812
Total APNIC prefixes after maximum aggregation: 77853
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257767
Unique aggregates announced from the APNIC address blocks: 104498
APNIC Region origin ASes present in the Internet Routing Table: 14659
APNIC Prefixes per ASN: 17.58
APNIC Region origin ASes announcing only one prefix: 4466
APNIC Region transit ASes present in the Internet Routing Table: 1934
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: 10161
Number of APNIC addresses announced to Internet: 749773376
Equivalent to 44 /8s, 176 /16s and 162 /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: 298156
Total ARIN prefixes after maximum aggregation: 132739
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299185
Unique aggregates announced from the ARIN address blocks: 139400
ARIN Region origin ASes present in the Internet Routing Table: 19265
ARIN Prefixes per ASN: 15.53
ARIN Region origin ASes announcing only one prefix: 7036
ARIN Region transit ASes present in the Internet Routing Table: 1904
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: 1352984832
Equivalent to 80 /8s, 164 /16s and 233 /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: 291755
Total RIPE prefixes after maximum aggregation: 135793
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289832
Unique aggregates announced from the RIPE address blocks: 175435
RIPE Region origin ASes present in the Internet Routing Table: 29005
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 12039
RIPE Region transit ASes present in the Internet Routing Table: 3891
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: 12480
Number of RIPE addresses announced to Internet: 731790437
Equivalent to 43 /8s, 158 /16s and 60 /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: 140333
Total LACNIC prefixes after maximum aggregation: 29831
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 136109
Unique aggregates announced from the LACNIC address blocks: 49089
LACNIC Region origin ASes present in the Internet Routing Table: 11274
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2188
LACNIC Region transit ASes present in the Internet Routing Table: 2492
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: 172071040
Equivalent to 10 /8s, 65 /16s and 152 /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: 39664
Total AfriNIC prefixes after maximum aggregation: 6814
AfriNIC Deaggregation factor: 5.82
Prefixes being announced from the AfriNIC address blocks: 54509
Unique aggregates announced from the AfriNIC address blocks: 14462
AfriNIC Region origin ASes present in the Internet Routing Table: 1925
AfriNIC Prefixes per ASN: 28.32
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 369
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: 1290
Number of AfriNIC addresses announced to Internet: 105286912
Equivalent to 6 /8s, 70 /16s and 141 /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 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4409 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 3295 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 13604 40828 5193 AMAZON-02, US
174 5341 8747 896 COGENT-174, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3632 1320 81 SHAW, CA
22773 3362 3049 171 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3177 3853 421 GOOGLE-CLOUD-PLATFORM, US
16625 3148 1314 2267 AKAMAI-AS, US
36352 2804 229 850 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 7711 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4085 3396 140 AKAMAI-ASN1, NL
9009 3921 358 2091 M247, RO
12389 3081 2306 890 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 573 TELLCOM-AS, TR
212238 2225 161 1638 CDNEXT, GB
8452 1930 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 12473 3273 683 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 1604 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 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 17 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1611 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 13604 40828 5193 AMAZON-02, US
8151 12473 3273 683 UNINET, MX
9808 11122 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7711 1714 148 UNI2-AS, ES
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5341 8747 896 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 12473 11790 UNINET, MX
9808 11122 11024 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7711 7563 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 5341 4445 COGENT-174, US
18403 4409 4384 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 /15:2199 /16:14021 /17:8454 /18:14213
/19:25369 /20:46131 /21:54524 /22:115727 /23:110880 /24:640773
/25:586 /26:586 /27:1058 /28:68 /29:103 /30:18
/31:3 /32:864
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6627 7711 UNI2-AS, ES
8151 6613 12473 UNINET, MX
11492 3532 4735 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3427 3632 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2508 3362 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2375 13604 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)
----------------------------------------------
1:2415 2:1536 3:802 4:25 5:5010 6:162
7:6 8:1651 9:1 11:172 12:1361 13:436
14:2565 15:361 16:285 17:377 18:921 20:553
21:4 22:188 23:7639 24:2908 25:2 27:2833
29:19 31:3344 32:51 33:1 34:84 35:230
36:3041 37:4708 38:10492 39:911 40:171 41:4781
42:1984 43:2639 44:382 45:20190 46:5156 47:322
49:1957 50:1901 51:591 52:1603 54:322 55:1098
56:11 57:272 58:2308 59:1444 60:1167 61:3044
62:3067 63:1827 64:5500 65:2207 66:4755 67:3111
68:1159 69:4035 70:1099 71:642 72:2951 74:2833
75:1530 76:621 77:2817 78:4369 79:1723 80:2249
81:2251 82:3181 83:1486 84:1886 85:4397 86:1076
87:2415 88:3553 89:4562 90:776 91:8503 92:2733
93:2936 94:4137 95:5614 96:1476 97:325 98:981
99:689 100:72 101:1459 102:4400 103:32537 104:5091
105:2238 106:1036 107:2667 108:1268 109:4138 110:2253
111:3342 112:2136 113:1829 114:1995 115:2196 116:2112
117:2535 118:2909 119:1979 120:2002 121:1451 122:2797
123:2429 124:1701 125:2921 126:91 128:1637 129:1038
130:1352 131:2151 132:898 133:449 134:1554 135:380
136:1362 137:1189 138:3231 139:1597 140:1606 141:1510
142:1949 143:1924 144:1155 145:515 146:2217 147:2117
148:2735 149:2957 150:1258 151:1955 152:2114 153:568
154:8330 155:2006 156:3387 157:1943 158:1337 159:2485
160:3968 161:1898 162:3801 163:2213 164:1826 165:2259
166:1492 167:1962 168:4640 169:824 170:5578 171:1013
172:4460 173:3335 174:921 175:1303 176:3835 177:6076
178:3839 179:2729 180:2699 181:4324 182:3451 183:2141
184:2127 185:21878 186:5928 187:5089 188:4369 189:4659
190:10070 191:2066 192:11338 193:9540 194:7915 195:5718
196:3653 197:3935 198:6249 199:8569 200:8804 201:6611
202:10742 203:10772 204:4590 205:3685 206:4529 207:3616
208:4265 209:5259 210:4928 211:2637 212:4786 213:3888
214:1034 215:48 216:6840 217:3208 218:1411 219:557
220:2089 221:1107 222:855 223:2423
End of report
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