[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue May 6 22:47:15 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 06 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: 1032342
Prefixes after maximum aggregation (per Origin AS): 381471
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479468
Total ASes present in the Internet Routing Table: 76981
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66235
Origin ASes announcing only one prefix: 26377
Transit ASes present in the Internet Routing Table: 10746
Transit-only ASes present in the Internet Routing Table: 547
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: 1138
Number of instances of unregistered ASNs: 1141
Number of 32-bit ASNs allocated by the RIRs: 46340
Number of 32-bit ASNs visible in the Routing Table: 38267
Prefixes from 32-bit ASNs in the Routing Table: 212866
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 474
Number of addresses announced to Internet: 3111884069
Equivalent to 185 /8s, 123 /16s and 149 /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: 349437
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265335
Total APNIC prefixes after maximum aggregation: 77409
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256443
Unique aggregates announced from the APNIC address blocks: 103257
APNIC Region origin ASes present in the Internet Routing Table: 14651
APNIC Prefixes per ASN: 17.50
APNIC Region origin ASes announcing only one prefix: 4456
APNIC Region transit ASes present in the Internet Routing Table: 1942
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 44
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10139
Number of APNIC addresses announced to Internet: 749375552
Equivalent to 44 /8s, 170 /16s and 144 /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: 296933
Total ARIN prefixes after maximum aggregation: 131651
ARIN Deaggregation factor: 2.26
Prefixes being announced from the ARIN address blocks: 297881
Unique aggregates announced from the ARIN address blocks: 138519
ARIN Region origin ASes present in the Internet Routing Table: 19272
ARIN Prefixes per ASN: 15.46
ARIN Region origin ASes announcing only one prefix: 7034
ARIN Region transit ASes present in the Internet Routing Table: 1917
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 33
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5209
Number of ARIN addresses announced to Internet: 1353325056
Equivalent to 80 /8s, 170 /16s and 26 /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: 290936
Total RIPE prefixes after maximum aggregation: 135196
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288500
Unique aggregates announced from the RIPE address blocks: 174399
RIPE Region origin ASes present in the Internet Routing Table: 28972
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12013
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: 23
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12444
Number of RIPE addresses announced to Internet: 731699301
Equivalent to 43 /8s, 156 /16s and 216 /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: 138582
Total LACNIC prefixes after maximum aggregation: 29684
LACNIC Deaggregation factor: 4.67
Prefixes being announced from the LACNIC address blocks: 135157
Unique aggregates announced from the LACNIC address blocks: 48939
LACNIC Region origin ASes present in the Internet Routing Table: 11239
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 2226
LACNIC Region transit ASes present in the Internet Routing Table: 2467
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: 9188
Number of LACNIC addresses announced to Internet: 171873408
Equivalent to 10 /8s, 62 /16s and 148 /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: 39418
Total AfriNIC prefixes after maximum aggregation: 6881
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 53886
Unique aggregates announced from the AfriNIC address blocks: 13963
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 28.07
AfriNIC Region origin ASes announcing only one prefix: 648
AfriNIC Region transit ASes present in the Internet Routing Table: 363
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: 105385216
Equivalent to 6 /8s, 72 /16s and 13 /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 10548 8754 90 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4336 531 281 BBIL-AP BHARTI Airtel Ltd., IN
18403 4332 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3693 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3285 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2867 852 535 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 13343 40826 4515 AMAZON-02, US
174 5523 8750 903 COGENT-174, US
11492 4711 312 591 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3368 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54863 2505 DNIC-AS-00749, US
16625 3152 1322 2268 AKAMAI-AS, US
396982 2955 3657 469 GOOGLE-CLOUD-PLATFORM, US
36352 2779 228 855 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 9753 1296 1077 TTNET, TR
12479 7715 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4080 3396 140 AKAMAI-ASN1, NL
9009 3813 330 1986 M247, RO
12389 3075 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2135 151 1576 CDNEXT, GB
8452 1942 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 12326 3267 687 UNINET, MX
10620 3523 486 995 Telmex Colombia S.A., CO
13999 2514 540 362 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1602 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1332 784 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1192 371 22 Telefonica del Peru S.A.A., PE
28202 1129 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1099 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1057 70 382 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1744 631 30 RAYA-AS, EG
24863 1651 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1600 103 23 ORANGE-COTE-IVOIRE, CI
36992 1434 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1036 523 45 Vodafone-, EG
37069 932 1099 15 MOBINIL, 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 13343 40826 4515 AMAZON-02, US
8151 12326 3267 687 UNINET, MX
9808 10548 8754 90 CHINAMOBILE-CN China Mobile Communication
47331 9753 1296 1077 TTNET, TR
12479 7715 1714 148 UNI2-AS, ES
7545 6215 843 656 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5523 8750 903 COGENT-174, US
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4711 312 591 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 12326 11639 UNINET, MX
9808 10548 10458 CHINAMOBILE-CN China Mobile Communications Grou
47331 9753 8676 TTNET, TR
12479 7715 7567 UNI2-AS, ES
7545 6215 5559 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4859 4782 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5523 4620 COGENT-174, US
18403 4332 4307 FPT-AS-AP FPT Telecom Company, VN
11492 4711 4120 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
23.152.48.0/24 Origin: 46167 RESERVED, ZZ
23.152.48.0/24 Transit: 7018 ATT-INTERNET4, US
23.155.208.0/24 Origin: 396169 AS-GHCIL-01, US
23.155.208.0/24 Transit: 35985 ONERINGNET-ATL-1, 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 /11:93 /12:300
/13:583 /14:1233 /15:2200 /16:14104 /17:8446 /18:14224
/19:25349 /20:45793 /21:54434 /22:115539 /23:109932 /24:636774
/25:584 /26:592 /27:1057 /28:67 /29:106 /30:20
/31:2 /32:836
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8832 9753 TTNET, TR
12479 6636 7715 UNI2-AS, ES
8151 6473 12326 UNINET, MX
11492 3531 4711 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2516 3368 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2330 13343 AMAZON-02, US
30036 2214 2554 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2379 2:1536 3:688 4:26 5:5001 6:162
7:6 8:1663 9:1 11:172 12:1371 13:367
14:2562 15:355 16:283 17:370 18:921 20:528
21:4 22:188 23:7585 24:2904 25:2 27:2808
29:19 31:3326 32:52 33:1 34:84 35:209
36:2599 37:4817 38:10420 39:908 40:167 41:4727
42:1983 43:2620 44:381 45:20103 46:5133 47:298
49:1951 50:1904 51:590 52:1586 54:304 55:1090
56:11 57:266 58:2287 59:1434 60:1170 61:3027
62:3041 63:1842 64:5519 65:2198 66:4741 67:3125
68:1151 69:4008 70:1110 71:635 72:2950 74:2814
75:1624 76:620 77:2835 78:4354 79:1779 80:2241
81:2237 82:3258 83:1476 84:1872 85:4415 86:1057
87:2427 88:3547 89:4520 90:784 91:8469 92:2738
93:2921 94:4179 95:5606 96:1473 97:326 98:986
99:671 100:72 101:1431 102:4432 103:32556 104:4840
105:2236 106:1046 107:2640 108:1230 109:4131 110:2246
111:3372 112:2078 113:1829 114:1982 115:2265 116:2102
117:2614 118:2909 119:1971 120:1913 121:1441 122:2781
123:2413 124:1690 125:2886 126:91 128:1611 129:1028
130:1338 131:2093 132:890 133:451 134:1545 135:377
136:1308 137:1177 138:3233 139:1634 140:1593 141:1501
142:1948 143:1803 144:1105 145:509 146:2184 147:2105
148:2697 149:2926 150:1262 151:1838 152:2124 153:564
154:8595 155:1688 156:3421 157:1925 158:1306 159:2450
160:3695 161:1901 162:3739 163:2142 164:1762 165:2240
166:1472 167:1923 168:4362 169:820 170:5546 171:1012
172:4421 173:3285 174:910 175:1307 176:3806 177:6124
178:3819 179:2750 180:2678 181:4235 182:3395 183:2063
184:2119 185:21839 186:5795 187:5050 188:4348 189:4659
190:9871 191:2080 192:11287 193:9552 194:7899 195:5696
196:3682 197:3974 198:6250 199:8517 200:8746 201:6563
202:10741 203:10755 204:4571 205:3676 206:4670 207:3596
208:4298 209:5295 210:4901 211:2637 212:4710 213:3838
214:1027 215:48 216:6794 217:3208 218:1396 219:551
220:2096 221:1087 222:853 223:2368
End of report
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