[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat May 31 22:45:29 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 31 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: 1037684
Prefixes after maximum aggregation (per Origin AS): 383718
Deaggregation factor: 2.70
Unique aggregates announced (without unneeded subnets): 483331
Total ASes present in the Internet Routing Table: 77031
Prefixes per ASN: 13.47
Origin-only ASes present in the Internet Routing Table: 66287
Origin ASes announcing only one prefix: 26352
Transit ASes present in the Internet Routing Table: 10744
Transit-only ASes present in the Internet Routing Table: 543
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: 1153
Number of instances of unregistered ASNs: 1165
Number of 32-bit ASNs allocated by the RIRs: 46546
Number of 32-bit ASNs visible in the Routing Table: 38365
Prefixes from 32-bit ASNs in the Routing Table: 215277
Number of bogon 32-bit ASNs visible in the Routing Table: 91
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 460
Number of addresses announced to Internet: 3111947558
Equivalent to 185 /8s, 124 /16s and 141 /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: 350500
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266831
Total APNIC prefixes after maximum aggregation: 77849
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257791
Unique aggregates announced from the APNIC address blocks: 104528
APNIC Region origin ASes present in the Internet Routing Table: 14646
APNIC Prefixes per ASN: 17.60
APNIC Region origin ASes announcing only one prefix: 4445
APNIC Region transit ASes present in the Internet Routing Table: 1932
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: 10146
Number of APNIC addresses announced to Internet: 749777984
Equivalent to 44 /8s, 176 /16s and 180 /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: 298241
Total ARIN prefixes after maximum aggregation: 132767
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 299227
Unique aggregates announced from the ARIN address blocks: 139421
ARIN Region origin ASes present in the Internet Routing Table: 19263
ARIN Prefixes per ASN: 15.53
ARIN Region origin ASes announcing only one prefix: 7035
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: 5231
Number of ARIN addresses announced to Internet: 1352912384
Equivalent to 80 /8s, 163 /16s and 206 /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: 291745
Total RIPE prefixes after maximum aggregation: 135815
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289813
Unique aggregates announced from the RIPE address blocks: 175439
RIPE Region origin ASes present in the Internet Routing Table: 29001
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 12041
RIPE Region transit ASes present in the Internet Routing Table: 3884
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: 12477
Number of RIPE addresses announced to Internet: 731814502
Equivalent to 43 /8s, 158 /16s and 154 /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: 140074
Total LACNIC prefixes after maximum aggregation: 29815
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135856
Unique aggregates announced from the LACNIC address blocks: 49089
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: 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: 9226
Number of LACNIC addresses announced to Internet: 171997056
Equivalent to 10 /8s, 64 /16s and 119 /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: 39640
Total AfriNIC prefixes after maximum aggregation: 6798
AfriNIC Deaggregation factor: 5.83
Prefixes being announced from the AfriNIC address blocks: 54536
Unique aggregates announced from the AfriNIC address blocks: 14442
AfriNIC Region origin ASes present in the Internet Routing Table: 1916
AfriNIC Prefixes per ASN: 28.46
AfriNIC Region origin ASes announcing only one prefix: 645
AfriNIC Region transit ASes present in the Internet Routing Table: 370
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: 1285
Number of AfriNIC addresses announced to Internet: 105238528
Equivalent to 6 /8s, 69 /16s and 208 /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 4418 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4394 534 304 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 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 13616 40829 5193 AMAZON-02, US
174 5336 8747 897 COGENT-174, US
11492 4735 314 586 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3631 1320 81 SHAW, CA
22773 3361 3049 171 ASN-CXA-ALL-CCI-22773-RDC, US
749 3231 54784 2482 DNIC-AS-00749, US
396982 3176 3853 421 GOOGLE-CLOUD-PLATFORM, US
16625 3150 1315 2268 AKAMAI-AS, US
36352 2816 230 852 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 7720 1714 148 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4085 3396 140 AKAMAI-ASN1, NL
9009 3906 356 2075 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 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 12466 3270 674 UNINET, MX
10620 3499 480 1017 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1604 2438 262 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 1651 389 16 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 1056 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 13616 40829 5193 AMAZON-02, US
8151 12466 3270 674 UNINET, MX
9808 11122 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7720 1714 148 UNI2-AS, ES
7545 6178 844 650 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5336 8747 897 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 12466 11792 UNINET, MX
9808 11122 11024 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7720 7572 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 5336 4439 COGENT-174, US
18403 4418 4393 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 /16:14019 /17:8449 /18:14214
/19:25371 /20:46115 /21:54502 /22:115693 /23:110851 /24:640711
/25:585 /26:588 /27:1051 /28:68 /29:105 /30:18
/31:3 /32:863
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6635 7720 UNI2-AS, ES
8151 6609 12466 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 2507 3361 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2375 13616 AMAZON-02, US
30036 2237 2578 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 2:1535 3:803 4:25 5:5009 6:162
7:6 8:1651 9:1 11:172 12:1363 13:447
14:2566 15:362 16:285 17:377 18:921 20:553
21:4 22:188 23:7635 24:2908 25:2 27:2833
29:19 31:3354 32:51 33:1 34:84 35:219
36:3040 37:4728 38:10471 39:913 40:171 41:4782
42:1981 43:2639 44:386 45:20183 46:5163 47:322
49:1957 50:1903 51:591 52:1602 54:321 55:1097
56:11 57:272 58:2310 59:1442 60:1167 61:3044
62:3060 63:1828 64:5514 65:2207 66:4764 67:3123
68:1159 69:4023 70:1099 71:643 72:2953 74:2833
75:1532 76:621 77:2816 78:4369 79:1718 80:2247
81:2254 82:3179 83:1487 84:1886 85:4401 86:1078
87:2409 88:3553 89:4572 90:779 91:8500 92:2734
93:2936 94:4139 95:5610 96:1475 97:325 98:981
99:689 100:72 101:1451 102:4385 103:32533 104:5084
105:2243 106:1035 107:2667 108:1269 109:4131 110:2255
111:3353 112:2129 113:1842 114:1998 115:2243 116:2105
117:2538 118:2898 119:1979 120:2002 121:1449 122:2796
123:2428 124:1701 125:2917 126:91 128:1640 129:1035
130:1356 131:2147 132:894 133:449 134:1555 135:379
136:1361 137:1190 138:3233 139:1596 140:1604 141:1508
142:1957 143:1919 144:1147 145:515 146:2213 147:2117
148:2711 149:2956 150:1256 151:1950 152:2114 153:568
154:8366 155:2012 156:3380 157:1942 158:1335 159:2485
160:3959 161:1902 162:3809 163:2208 164:1788 165:2265
166:1493 167:1954 168:4631 169:823 170:5557 171:1006
172:4463 173:3337 174:920 175:1303 176:3838 177:6072
178:3844 179:2736 180:2697 181:4320 182:3447 183:2143
184:2125 185:21900 186:5919 187:5094 188:4366 189:4646
190:10005 191:2047 192:11342 193:9542 194:7923 195:5721
196:3659 197:3935 198:6254 199:8575 200:8798 201:6608
202:10744 203:10770 204:4599 205:3682 206:4536 207:3623
208:4275 209:5263 210:4929 211:2637 212:4789 213:3892
214:1027 215:48 216:6836 217:3208 218:1411 219:557
220:2096 221:1107 222:855 223:2423
End of report
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