[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Jul 10 22:45:18 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 10 Jul, 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: 1038089
Prefixes after maximum aggregation (per Origin AS): 386088
Deaggregation factor: 2.69
Unique aggregates announced (without unneeded subnets): 485782
Total ASes present in the Internet Routing Table: 77121
Prefixes per ASN: 13.46
Origin-only ASes present in the Internet Routing Table: 66365
Origin ASes announcing only one prefix: 26300
Transit ASes present in the Internet Routing Table: 10756
Transit-only ASes present in the Internet Routing Table: 544
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: 1225
Number of instances of unregistered ASNs: 1266
Number of 32-bit ASNs allocated by the RIRs: 46773
Number of 32-bit ASNs visible in the Routing Table: 38596
Prefixes from 32-bit ASNs in the Routing Table: 217000
Number of bogon 32-bit ASNs visible in the Routing Table: 127
Special use prefixes present in the Routing Table: 54
Prefixes being announced from unallocated address space: 530
Number of addresses announced to Internet: 3107636744
Equivalent to 185 /8s, 58 /16s and 198 /24s
Percentage of available address space announced: 83.9
Percentage of allocated address space announced: 83.9
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: 350713
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 269246
Total APNIC prefixes after maximum aggregation: 78221
APNIC Deaggregation factor: 3.44
Prefixes being announced from the APNIC address blocks: 260326
Unique aggregates announced from the APNIC address blocks: 105087
APNIC Region origin ASes present in the Internet Routing Table: 14742
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4473
APNIC Region transit ASes present in the Internet Routing Table: 1951
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: 10248
Number of APNIC addresses announced to Internet: 750254145
Equivalent to 44 /8s, 183 /16s and 248 /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: 298412
Total ARIN prefixes after maximum aggregation: 133253
ARIN Deaggregation factor: 2.24
Prefixes being announced from the ARIN address blocks: 299932
Unique aggregates announced from the ARIN address blocks: 140531
ARIN Region origin ASes present in the Internet Routing Table: 19234
ARIN Prefixes per ASN: 15.59
ARIN Region origin ASes announcing only one prefix: 7006
ARIN Region transit ASes present in the Internet Routing Table: 1918
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: 5253
Number of ARIN addresses announced to Internet: 1349436416
Equivalent to 80 /8s, 110 /16s and 196 /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: 293470
Total RIPE prefixes after maximum aggregation: 137076
RIPE Deaggregation factor: 2.14
Prefixes being announced from the RIPE address blocks: 291973
Unique aggregates announced from the RIPE address blocks: 177040
RIPE Region origin ASes present in the Internet Routing Table: 29003
RIPE Prefixes per ASN: 10.07
RIPE Region origin ASes announcing only one prefix: 12008
RIPE Region transit ASes present in the Internet Routing Table: 3868
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: 12567
Number of RIPE addresses announced to Internet: 731621223
Equivalent to 43 /8s, 155 /16s and 167 /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: 139079
Total LACNIC prefixes after maximum aggregation: 29849
LACNIC Deaggregation factor: 4.66
Prefixes being announced from the LACNIC address blocks: 135611
Unique aggregates announced from the LACNIC address blocks: 48956
LACNIC Region origin ASes present in the Internet Routing Table: 11273
LACNIC Prefixes per ASN: 12.03
LACNIC Region origin ASes announcing only one prefix: 2161
LACNIC Region transit ASes present in the Internet Routing Table: 2488
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: 9232
Number of LACNIC addresses announced to Internet: 171249760
Equivalent to 10 /8s, 53 /16s and 16 /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: 36657
Total AfriNIC prefixes after maximum aggregation: 6891
AfriNIC Deaggregation factor: 5.32
Prefixes being announced from the AfriNIC address blocks: 49716
Unique aggregates announced from the AfriNIC address blocks: 13693
AfriNIC Region origin ASes present in the Internet Routing Table: 1927
AfriNIC Prefixes per ASN: 25.80
AfriNIC Region origin ASes announcing only one prefix: 652
AfriNIC Region transit ASes present in the Internet Routing Table: 368
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 31
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1296
Number of AfriNIC addresses announced to Internet: 104800000
Equivalent to 6 /8s, 63 /16s and 31 /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 11812 8761 117 CHINAMOBILE-CN China Mobile Communication
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4843 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4463 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4462 535 312 BBIL-AP BHARTI Airtel Ltd., IN
7552 3926 1332 27 VIETEL-AS-AP Viettel Group, VN
7713 3722 1044 67 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3311 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2906 863 521 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
56046 2654 812 179 CMNET-JIANGSU-AP China Mobile communicati
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 13682 40960 5256 AMAZON-02, US
174 5393 8769 850 COGENT-174, US
11492 4787 317 605 CABLEONE, US
7155 3857 286 85 VIASAT-SP-BACKBONE, US
6327 3636 1320 82 SHAW, CA
22773 3345 3034 168 ASN-CXA-ALL-CCI-22773-RDC, US
749 3225 54767 2476 DNIC-AS-00749, US
396982 3196 3855 433 GOOGLE-CLOUD-PLATFORM, US
16625 3120 1313 2254 AKAMAI-AS, US
4155 2843 216 1743 USDA-1, 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 9766 1298 1046 TTNET, TR
12479 7638 1713 150 UNI2-AS, ES
39891 4798 293 63 ALJAWWALSTC-AS, SA
20940 4099 3396 140 AKAMAI-ASN1, NL
9009 3798 361 2121 M247, RO
12389 3125 2317 875 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2455 364 579 TELLCOM-AS, TR
212238 2353 168 1721 CDNEXT, GB
8452 1849 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 12364 3255 576 UNINET, MX
10620 3510 481 1021 Telmex Colombia S.A., CO
13999 2527 538 352 Mega Cable, S.A. de C.V., MX
11830 1988 369 64 Instituto Costarricense de Electricidad y
28573 1611 2435 268 Claro NXT Telecomunicacoes Ltda, BR
3816 1346 787 205 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1196 371 22 Telefonica del Peru S.A.A., PE
11664 1166 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1064 71 374 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
6503 1023 373 162 Axtel, S.A.B. de C.V., MX
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
37457 1639 316 32 Telkom-Internet, ZA
29571 1607 102 33 ORANGE-COTE-IVOIRE, CI
20011 1296 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
24835 1114 633 33 RAYA-AS, EG
36992 885 1431 280 ETISALAT-MISR, EG
36935 774 522 45 Vodafone-, EG
37069 609 1112 11 MOBINIL, EG
24863 596 389 22 LINKdotNET-AS, EG
36914 576 82 3 KENET-AS, KE
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 13682 40960 5256 AMAZON-02, US
8151 12364 3255 576 UNINET, MX
9808 11812 8761 117 CHINAMOBILE-CN China Mobile Communication
47331 9766 1298 1046 TTNET, TR
12479 7638 1713 150 UNI2-AS, ES
7545 6148 840 623 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5393 8769 850 COGENT-174, US
4538 4843 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4798 293 63 ALJAWWALSTC-AS, SA
11492 4787 317 605 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 12364 11788 UNINET, MX
9808 11812 11695 CHINAMOBILE-CN China Mobile Communications Grou
47331 9766 8720 TTNET, TR
12479 7638 7488 UNI2-AS, ES
7545 6148 5525 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4843 4766 ERX-CERNET-BKB China Education and Research Net
39891 4798 4735 ALJAWWALSTC-AS, SA
174 5393 4543 COGENT-174, US
18403 4463 4438 FPT-AS-AP FPT Telecom Company, VN
11492 4787 4182 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
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
398074 UNALLOCATED 8.28.115.0/24 32787 PROLEXIC-TECHNOLOGIES-D
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
198.18.0.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.1.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.2.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.3.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.4.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.5.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.6.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.7.0/24 18229 CTRLS-AS-IN CtrlS, IN
198.18.9.0/24 18229 CTRLS-AS-IN CtrlS, IN
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
23.142.24.0/24 Origin: 62164 HEYMMAN-2, CA
23.142.24.0/24 Transit: 64236 UNREAL-SERVERS, US
23.147.224.0/24 Origin: 27392 639-DATACENTERS, US
23.147.224.0/24 Transit: 3356 LEVEL3, 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 /9:14 /10:41 /11:92 /12:298
/13:580 /14:1213 /15:2182 /16:13877 /17:8419 /18:13958
/19:25233 /20:45571 /21:54400 /22:114583 /23:111247 /24:643285
/25:406 /26:581 /27:1041 /28:69 /29:100 /30:16
/31:1 /32:865
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8844 9766 TTNET, TR
12479 6571 7638 UNI2-AS, ES
8151 6556 12364 UNINET, MX
11492 3581 4787 CABLEONE, US
39891 3489 4798 ALJAWWALSTC-AS, SA
6327 3432 3636 SHAW, CA
7155 2816 3857 VIASAT-SP-BACKBONE, US
22773 2496 3345 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2349 13682 AMAZON-02, US
30036 2267 2608 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2448 2:1535 3:848 4:25 5:5065 6:161
7:6 8:1629 9:1 11:172 12:1346 13:459
14:2605 15:366 16:285 17:378 18:897 20:567
21:4 22:188 23:7803 24:2829 25:2 27:2868
29:19 31:3403 32:50 33:1 34:84 35:262
36:3544 37:4712 38:10703 39:911 40:236 41:4549
42:1963 43:2720 44:379 45:20057 46:5173 47:338
49:1935 50:1911 51:592 52:1587 54:324 55:1107
56:11 57:282 58:2284 59:1405 60:1174 61:2962
62:3022 63:1817 64:5589 65:2200 66:4815 67:3161
68:1118 69:4036 70:1073 71:634 72:2963 74:2827
75:1524 76:612 77:2861 78:4373 79:1739 80:2232
81:2257 82:3238 83:1495 84:1884 85:4432 86:1098
87:2415 88:3580 89:4606 90:777 91:8542 92:2767
93:2970 94:4191 95:5669 96:1503 97:314 98:964
99:697 100:72 101:1445 102:4480 103:32540 104:5297
105:2210 106:976 107:2650 108:1274 109:4226 110:2248
111:3341 112:2243 113:1883 114:1982 115:2283 116:2127
117:2560 118:3004 119:1984 120:2161 121:1400 122:2815
123:2448 124:1755 125:2938 126:91 128:1637 129:1001
130:1335 131:2222 132:897 133:450 134:1587 135:435
136:1435 137:1200 138:3203 139:1588 140:1643 141:1528
142:1944 143:2086 144:1192 145:564 146:2200 147:2111
148:2711 149:3003 150:1238 151:2215 152:2104 153:591
154:7830 155:1840 156:2998 157:1960 158:1350 159:2504
160:3756 161:1908 162:3907 163:2255 164:1923 165:2128
166:1505 167:2052 168:4312 169:813 170:5592 171:1010
172:4448 173:3389 174:921 175:1322 176:3839 177:6014
178:4139 179:2773 180:2674 181:4325 182:3491 183:2242
184:2129 185:21874 186:5934 187:5144 188:4391 189:4709
190:10026 191:1709 192:11378 193:9536 194:7890 195:5758
196:3663 197:3847 198:6300 199:8604 200:8808 201:6622
202:10849 203:10777 204:4624 205:3701 206:4576 207:3647
208:4302 209:5246 210:4936 211:2677 212:4776 213:3920
214:1026 215:46 216:6865 217:3229 218:1423 219:574
220:2144 221:1187 222:845 223:2660
End of report
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