[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon May 19 22:46:57 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Mon 19 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: 1036077
Prefixes after maximum aggregation (per Origin AS): 382748
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 480214
Total ASes present in the Internet Routing Table: 76968
Prefixes per ASN: 13.46
Origin-only ASes present in the Internet Routing Table: 66236
Origin ASes announcing only one prefix: 26331
Transit ASes present in the Internet Routing Table: 10732
Transit-only ASes present in the Internet Routing Table: 542
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: 1082
Number of instances of unregistered ASNs: 1092
Number of 32-bit ASNs allocated by the RIRs: 46452
Number of 32-bit ASNs visible in the Routing Table: 38295
Prefixes from 32-bit ASNs in the Routing Table: 214400
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: 454
Number of addresses announced to Internet: 3111481893
Equivalent to 185 /8s, 117 /16s and 114 /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: 350064
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266216
Total APNIC prefixes after maximum aggregation: 77632
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 257345
Unique aggregates announced from the APNIC address blocks: 103333
APNIC Region origin ASes present in the Internet Routing Table: 14648
APNIC Prefixes per ASN: 17.57
APNIC Region origin ASes announcing only one prefix: 4440
APNIC Region transit ASes present in the Internet Routing Table: 1936
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: 10140
Number of APNIC addresses announced to Internet: 749581376
Equivalent to 44 /8s, 173 /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: 298086
Total ARIN prefixes after maximum aggregation: 132384
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298893
Unique aggregates announced from the ARIN address blocks: 138755
ARIN Region origin ASes present in the Internet Routing Table: 19261
ARIN Prefixes per ASN: 15.52
ARIN Region origin ASes announcing only one prefix: 7025
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: 5220
Number of ARIN addresses announced to Internet: 1352773888
Equivalent to 80 /8s, 161 /16s and 177 /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: 291268
Total RIPE prefixes after maximum aggregation: 135431
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 289147
Unique aggregates announced from the RIPE address blocks: 174823
RIPE Region origin ASes present in the Internet Routing Table: 28966
RIPE Prefixes per ASN: 9.98
RIPE Region origin ASes announcing only one prefix: 12031
RIPE Region transit ASes present in the Internet Routing Table: 3889
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: 12453
Number of RIPE addresses announced to Internet: 731575397
Equivalent to 43 /8s, 154 /16s and 244 /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: 139714
Total LACNIC prefixes after maximum aggregation: 29727
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135489
Unique aggregates announced from the LACNIC address blocks: 48996
LACNIC Region origin ASes present in the Internet Routing Table: 11242
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2185
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: 9193
Number of LACNIC addresses announced to Internet: 171900544
Equivalent to 10 /8s, 62 /16s and 254 /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: 39711
Total AfriNIC prefixes after maximum aggregation: 6920
AfriNIC Deaggregation factor: 5.74
Prefixes being announced from the AfriNIC address blocks: 54748
Unique aggregates announced from the AfriNIC address blocks: 13907
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 28.50
AfriNIC Region origin ASes announcing only one prefix: 650
AfriNIC Region transit ASes present in the Internet Routing Table: 364
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: 1289
Number of AfriNIC addresses announced to Internet: 105430528
Equivalent to 6 /8s, 72 /16s and 190 /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 10996 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6171 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4504 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4382 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 3290 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2869 852 536 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 13439 40827 5075 AMAZON-02, US
174 5414 8747 884 COGENT-174, US
11492 4726 313 592 CABLEONE, US
7155 3864 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3362 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3230 54783 2481 DNIC-AS-00749, US
396982 3164 3851 416 GOOGLE-CLOUD-PLATFORM, US
16625 3157 1320 2269 AKAMAI-AS, US
36352 2824 230 868 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 7691 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4086 3396 140 AKAMAI-ASN1, NL
9009 3816 328 1991 M247, RO
12389 3074 2305 887 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2440 363 574 TELLCOM-AS, TR
212238 2149 151 1581 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 12409 3267 688 UNINET, MX
10620 3499 480 1018 Telmex Colombia S.A., CO
13999 2520 540 364 Mega Cable, S.A. de C.V., MX
11830 1997 369 64 Instituto Costarricense de Electricidad y
28573 1596 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 1128 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1107 278 33 Techtel LMDS Comunicaciones Interactivas
262287 1070 83 229 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 1778 632 28 RAYA-AS, EG
24863 1652 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1598 102 33 ORANGE-COTE-IVOIRE, CI
36992 1435 1519 280 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1250 554 97 MT-MPLS, MA
37069 1107 1100 18 MOBINIL, EG
36935 1038 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 13439 40827 5075 AMAZON-02, US
8151 12409 3267 688 UNINET, MX
9808 10996 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7691 1714 148 UNI2-AS, ES
7545 6171 842 653 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5414 8747 884 COGENT-174, US
4538 4871 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4726 313 592 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 12409 11721 UNINET, MX
9808 10996 10898 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7691 7543 UNI2-AS, ES
7545 6171 5518 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4871 4793 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5414 4530 COGENT-174, US
18403 4504 4479 FPT-AS-AP FPT Telecom Company, VN
11492 4726 4134 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
23.146.16.0/24 Origin: 396281 RESERVED, ZZ
23.146.16.0/24 Transit: 7018 ATT-INTERNET4, US
23.146.19.0/24 Origin: 396281 RESERVED, ZZ
23.146.19.0/24 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 /14:1233 /15:2199 /16:14094 /17:8454 /18:14220
/19:25378 /20:46030 /21:54481 /22:115625 /23:110428 /24:639622
/25:585 /26:586 /27:1054 /28:67 /29:105 /30:19
/31:3 /32:846
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6607 7691 UNI2-AS, ES
8151 6549 12409 UNINET, MX
11492 3532 4726 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2823 3864 VIASAT-SP-BACKBONE, US
22773 2510 3362 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2328 13439 AMAZON-02, US
30036 2227 2567 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2399 2:1533 3:768 4:26 5:5017 6:163
7:6 8:1658 9:1 11:172 12:1369 13:417
14:2562 15:355 16:284 17:376 18:916 20:533
21:4 22:188 23:7623 24:2903 25:2 27:2822
29:19 31:3341 32:51 33:1 34:84 35:210
36:2918 37:4746 38:10464 39:911 40:169 41:4753
42:2046 43:2626 44:386 45:20156 46:5125 47:304
49:1952 50:1910 51:590 52:1591 54:309 55:1093
56:11 57:269 58:2311 59:1433 60:1167 61:3037
62:3058 63:1836 64:5532 65:2201 66:4752 67:3125
68:1153 69:4010 70:1087 71:641 72:2932 74:2821
75:1632 76:621 77:2815 78:4368 79:1780 80:2244
81:2259 82:3195 83:1473 84:1886 85:4397 86:1073
87:2439 88:3552 89:4549 90:778 91:8472 92:2709
93:2918 94:4144 95:5579 96:1475 97:326 98:981
99:686 100:72 101:1426 102:4453 103:32536 104:5066
105:2244 106:1035 107:2665 108:1235 109:4143 110:2256
111:3348 112:2096 113:1838 114:1990 115:2234 116:2102
117:2561 118:2903 119:1976 120:1956 121:1441 122:2793
123:2417 124:1709 125:2904 126:91 128:1639 129:1033
130:1338 131:2135 132:894 133:451 134:1552 135:378
136:1359 137:1179 138:3245 139:1606 140:1601 141:1508
142:1942 143:1882 144:1114 145:509 146:2214 147:2113
148:2712 149:2946 150:1226 151:1917 152:2119 153:565
154:8492 155:1995 156:3370 157:1940 158:1331 159:2457
160:3937 161:1897 162:3782 163:2180 164:1761 165:2241
166:1483 167:1938 168:4624 169:823 170:5556 171:1010
172:4468 173:3317 174:919 175:1305 176:3837 177:6158
178:3817 179:2756 180:2690 181:4245 182:3440 183:2132
184:2120 185:21856 186:5799 187:5073 188:4377 189:4690
190:9895 191:2081 192:11304 193:9570 194:7913 195:5713
196:3681 197:3955 198:6231 199:8545 200:8760 201:6630
202:10765 203:10737 204:4594 205:3683 206:4556 207:3613
208:4302 209:5305 210:4915 211:2644 212:4771 213:3888
214:1029 215:48 216:6829 217:3218 218:1402 219:556
220:2096 221:1086 222:849 223:2396
End of report
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