[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun May 25 22:44:48 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 25 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: 1036607
Prefixes after maximum aggregation (per Origin AS): 383205
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 482234
Total ASes present in the Internet Routing Table: 77021
Prefixes per ASN: 13.46
Origin-only ASes present in the Internet Routing Table: 66309
Origin ASes announcing only one prefix: 26350
Transit ASes present in the Internet Routing Table: 10712
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: 1091
Number of instances of unregistered ASNs: 1101
Number of 32-bit ASNs allocated by the RIRs: 46520
Number of 32-bit ASNs visible in the Routing Table: 38344
Prefixes from 32-bit ASNs in the Routing Table: 214835
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: 458
Number of addresses announced to Internet: 3111994277
Equivalent to 185 /8s, 125 /16s and 67 /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: 350182
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266489
Total APNIC prefixes after maximum aggregation: 77773
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257589
Unique aggregates announced from the APNIC address blocks: 104538
APNIC Region origin ASes present in the Internet Routing Table: 14663
APNIC Prefixes per ASN: 17.57
APNIC Region origin ASes announcing only one prefix: 4449
APNIC Region transit ASes present in the Internet Routing Table: 1928
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: 10153
Number of APNIC addresses announced to Internet: 749690944
Equivalent to 44 /8s, 175 /16s and 96 /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: 298200
Total ARIN prefixes after maximum aggregation: 132724
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299000
Unique aggregates announced from the ARIN address blocks: 139441
ARIN Region origin ASes present in the Internet Routing Table: 19264
ARIN Prefixes per ASN: 15.52
ARIN Region origin ASes announcing only one prefix: 7032
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: 5223
Number of ARIN addresses announced to Internet: 1353009152
Equivalent to 80 /8s, 165 /16s and 72 /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: 291231
Total RIPE prefixes after maximum aggregation: 135511
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289393
Unique aggregates announced from the RIPE address blocks: 175156
RIPE Region origin ASes present in the Internet Routing Table: 28992
RIPE Prefixes per ASN: 9.98
RIPE Region origin ASes announcing only one prefix: 12041
RIPE Region transit ASes present in the Internet Routing Table: 3865
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: 12471
Number of RIPE addresses announced to Internet: 731762533
Equivalent to 43 /8s, 157 /16s and 207 /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: 139928
Total LACNIC prefixes after maximum aggregation: 29737
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 135691
Unique aggregates announced from the LACNIC address blocks: 49000
LACNIC Region origin ASes present in the Internet Routing Table: 11261
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2186
LACNIC Region transit ASes present in the Internet Routing Table: 2484
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: 9210
Number of LACNIC addresses announced to Internet: 172009216
Equivalent to 10 /8s, 64 /16s and 167 /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: 39668
Total AfriNIC prefixes after maximum aggregation: 6805
AfriNIC Deaggregation factor: 5.83
Prefixes being announced from the AfriNIC address blocks: 54475
Unique aggregates announced from the AfriNIC address blocks: 13691
AfriNIC Region origin ASes present in the Internet Routing Table: 1917
AfriNIC Prefixes per ASN: 28.42
AfriNIC Region origin ASes announcing only one prefix: 642
AfriNIC Region transit ASes present in the Internet Routing Table: 368
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1287
Number of AfriNIC addresses announced to Internet: 105309952
Equivalent to 6 /8s, 70 /16s and 231 /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 11088 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4424 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4385 534 304 BBIL-AP BHARTI Airtel Ltd., IN
7552 3909 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3715 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3293 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2872 853 537 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 13567 40830 5164 AMAZON-02, US
174 5332 8746 883 COGENT-174, US
11492 4734 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3361 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3168 3852 417 GOOGLE-CLOUD-PLATFORM, US
16625 3156 1316 2266 AKAMAI-AS, US
36352 2830 231 859 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 7714 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4083 3396 140 AKAMAI-ASN1, NL
9009 3868 338 2053 M247, RO
12389 3080 2305 889 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2438 363 573 TELLCOM-AS, TR
212238 2155 152 1584 CDNEXT, GB
8452 1928 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 3271 682 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 1601 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1339 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1198 371 22 Telefonica del Peru S.A.A., PE
28202 1125 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1110 278 33 Techtel LMDS Comunicaciones Interactivas
262287 1069 83 228 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 1639 316 32 Telkom-Internet, ZA
29571 1608 102 33 ORANGE-COTE-IVOIRE, CI
36992 1435 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 1060 523 45 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 13567 40830 5164 AMAZON-02, US
8151 12471 3271 682 UNINET, MX
9808 11088 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7714 1714 148 UNI2-AS, ES
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5332 8746 883 COGENT-174, US
4538 4870 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4734 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 11789 UNINET, MX
9808 11088 10990 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7714 7566 UNI2-AS, ES
7545 6178 5528 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4870 4793 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5332 4449 COGENT-174, US
18403 4424 4399 FPT-AS-AP FPT Telecom Company, VN
11492 4734 4148 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 /14:1232 /15:2199 /16:14017 /17:8460 /18:14189
/19:25385 /20:46101 /21:54475 /22:115654 /23:110593 /24:639909
/25:584 /26:589 /27:1055 /28:68 /29:106 /30:18
/31:3 /32:922
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6630 7714 UNI2-AS, ES
8151 6608 12471 UNINET, MX
11492 3531 4734 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2508 3361 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2365 13567 AMAZON-02, US
30036 2231 2572 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2413 2:1537 3:785 4:25 5:5033 6:163
7:6 8:1657 9:1 11:172 12:1361 13:436
14:2566 15:356 16:285 17:377 18:922 20:539
21:4 22:188 23:7629 24:2906 25:2 27:2831
29:19 31:3339 32:51 33:1 34:84 35:213
36:2979 37:4746 38:10442 39:910 40:170 41:4782
42:1991 43:2627 44:387 45:20213 46:5139 47:305
49:1952 50:1899 51:590 52:1596 54:320 55:1098
56:11 57:270 58:2312 59:1438 60:1168 61:3043
62:3049 63:1828 64:5529 65:2208 66:4748 67:3127
68:1159 69:4026 70:1104 71:639 72:2950 74:2833
75:1533 76:621 77:2818 78:4370 79:1614 80:2246
81:2264 82:3199 83:1479 84:1888 85:4394 86:1075
87:2415 88:3553 89:4569 90:778 91:8489 92:2727
93:2921 94:4148 95:5590 96:1474 97:326 98:981
99:686 100:71 101:1448 102:4416 103:32575 104:5082
105:2243 106:1036 107:2665 108:1229 109:4091 110:2257
111:3361 112:2121 113:1835 114:1992 115:2234 116:2104
117:2538 118:2889 119:1980 120:1980 121:1448 122:2796
123:2425 124:1698 125:2914 126:91 128:1645 129:1033
130:1354 131:2131 132:899 133:451 134:1550 135:379
136:1348 137:1188 138:3271 139:1599 140:1602 141:1506
142:1947 143:1894 144:1126 145:508 146:2215 147:2118
148:2718 149:2968 150:1225 151:1951 152:2114 153:565
154:8364 155:2003 156:3270 157:1940 158:1334 159:2454
160:3946 161:1894 162:3785 163:2197 164:1792 165:2254
166:1483 167:1922 168:4643 169:822 170:5576 171:1013
172:4468 173:3325 174:918 175:1301 176:3843 177:6104
178:3830 179:2775 180:2700 181:4277 182:3446 183:2134
184:2120 185:21904 186:5795 187:5120 188:4389 189:4706
190:9946 191:2059 192:11318 193:9551 194:7910 195:5714
196:3654 197:3956 198:6248 199:8561 200:8782 201:6624
202:10790 203:10754 204:4578 205:3685 206:4541 207:3611
208:4289 209:5272 210:4918 211:2634 212:4768 213:3884
214:1024 215:48 216:6842 217:3216 218:1408 219:556
220:2094 221:1097 222:854 223:2405
End of report
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