[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Mar 25 22:46:31 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 25 Mar, 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: 1032546
Prefixes after maximum aggregation (per Origin AS): 378464
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 475975
Total ASes present in the Internet Routing Table: 76875
Prefixes per ASN: 13.43
Origin-only ASes present in the Internet Routing Table: 66188
Origin ASes announcing only one prefix: 26298
Transit ASes present in the Internet Routing Table: 10687
Transit-only ASes present in the Internet Routing Table: 548
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.2
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1059
Number of instances of unregistered ASNs: 1065
Number of 32-bit ASNs allocated by the RIRs: 46134
Number of 32-bit ASNs visible in the Routing Table: 38079
Prefixes from 32-bit ASNs in the Routing Table: 210995
Number of bogon 32-bit ASNs visible in the Routing Table: 77
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 521
Number of addresses announced to Internet: 3114660197
Equivalent to 185 /8s, 165 /16s and 241 /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: 348805
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 266899
Total APNIC prefixes after maximum aggregation: 76988
APNIC Deaggregation factor: 3.47
Prefixes being announced from the APNIC address blocks: 258568
Unique aggregates announced from the APNIC address blocks: 102589
APNIC Region origin ASes present in the Internet Routing Table: 14628
APNIC Prefixes per ASN: 17.68
APNIC Region origin ASes announcing only one prefix: 4448
APNIC Region transit ASes present in the Internet Routing Table: 1957
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 48
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10090
Number of APNIC addresses announced to Internet: 754431040
Equivalent to 44 /8s, 247 /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: 296579
Total ARIN prefixes after maximum aggregation: 130134
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296918
Unique aggregates announced from the ARIN address blocks: 136563
ARIN Region origin ASes present in the Internet Routing Table: 19245
ARIN Prefixes per ASN: 15.43
ARIN Region origin ASes announcing only one prefix: 7014
ARIN Region transit ASes present in the Internet Routing Table: 1883
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: 5172
Number of ARIN addresses announced to Internet: 1350514432
Equivalent to 80 /8s, 127 /16s and 55 /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: 290908
Total RIPE prefixes after maximum aggregation: 134300
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 288903
Unique aggregates announced from the RIPE address blocks: 173795
RIPE Region origin ASes present in the Internet Routing Table: 28926
RIPE Prefixes per ASN: 9.99
RIPE Region origin ASes announcing only one prefix: 11988
RIPE Region transit ASes present in the Internet Routing Table: 3851
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12360
Number of RIPE addresses announced to Internet: 732507301
Equivalent to 43 /8s, 169 /16s and 44 /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: 138175
Total LACNIC prefixes after maximum aggregation: 29517
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 134855
Unique aggregates announced from the LACNIC address blocks: 49012
LACNIC Region origin ASes present in the Internet Routing Table: 11229
LACNIC Prefixes per ASN: 12.01
LACNIC Region origin ASes announcing only one prefix: 2203
LACNIC Region transit ASes present in the Internet Routing Table: 2459
Average LACNIC Region AS path length visible: 3.4
Max LACNIC Region AS path length visible: 52
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 9175
Number of LACNIC addresses announced to Internet: 171763328
Equivalent to 10 /8s, 60 /16s and 230 /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: 38926
Total AfriNIC prefixes after maximum aggregation: 6865
AfriNIC Deaggregation factor: 5.67
Prefixes being announced from the AfriNIC address blocks: 52779
Unique aggregates announced from the AfriNIC address blocks: 13569
AfriNIC Region origin ASes present in the Internet Routing Table: 1916
AfriNIC Prefixes per ASN: 27.55
AfriNIC Region origin ASes announcing only one prefix: 645
AfriNIC Region transit ASes present in the Internet Routing Table: 362
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 38
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1282
Number of AfriNIC addresses announced to Internet: 105193728
Equivalent to 6 /8s, 69 /16s and 33 /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 10395 8921 125 CHINAMOBILE-CN China Mobile Communication
7545 6216 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4286 530 278 BBIL-AP BHARTI Airtel Ltd., IN
18403 4229 347 25 FPT-AS-AP FPT Telecom Company, VN
45899 3914 1890 52 VNPT-AS-VN VNPT Corp, VN
7552 3913 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2843 847 540 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2233 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 12971 39646 3982 AMAZON-02, US
174 5558 8766 961 COGENT-174, US
11492 4675 310 585 CABLEONE, US
7155 4173 286 83 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3389 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3255 54879 2506 DNIC-AS-00749, US
16625 3116 1311 2246 AKAMAI-AS, US
396982 2947 3665 460 GOOGLE-CLOUD-PLATFORM, US
36352 2564 213 798 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 9734 1293 1153 TTNET, TR
12479 7744 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4033 3396 142 AKAMAI-ASN1, NL
9009 3776 326 1954 M247, RO
12389 3040 2303 891 ROSTELECOM-AS, RU
34984 2412 363 576 TELLCOM-AS, TR
212238 2055 147 1515 CDNEXT, GB
8452 1954 1852 14 TE-AS TE-AS, EG
5384 1803 585 29 EMIRATES-INTERNET Emirates Internet, AE
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 12180 3263 682 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2516 539 369 Mega Cable, S.A. de C.V., MX
11830 1991 369 64 Instituto Costarricense de Electricidad y
28573 1595 2438 259 Claro NXT Telecomunicacoes Ltda, BR
3816 1328 781 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1195 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1073 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1070 359 174 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
24835 1703 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1618 389 18 LINKdotNET-AS, EG
29571 1567 102 23 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
20011 1276 198 333 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1006 521 42 Vodafone-, EG
37069 903 1083 15 MOBINIL, EG
3741 562 661 321 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 12971 39646 3982 AMAZON-02, US
8151 12180 3263 682 UNINET, MX
9808 10395 8921 125 CHINAMOBILE-CN China Mobile Communication
47331 9734 1293 1153 TTNET, TR
12479 7744 1714 145 UNI2-AS, ES
7545 6216 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5558 8766 961 COGENT-174, US
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4675 310 585 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 12180 11498 UNINET, MX
9808 10395 10270 CHINAMOBILE-CN China Mobile Communications Grou
47331 9734 8581 TTNET, TR
12479 7744 7599 UNI2-AS, ES
7545 6216 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4905 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5558 4597 COGENT-174, US
18403 4229 4204 FPT-AS-AP FPT Telecom Company, VN
11492 4675 4090 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
46559 UNALLOCATED 8.3.52.0/23 3257 GTT-BACKBONE GTT, US
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
Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
10.116.75.0/24 22884 TOTAL PLAY TELECOMUNICACIONES SA DE CV, MX
172.22.139.0/24 8151 UNINET, MX
172.22.243.0/24 8151 UNINET, MX
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 /12:304
/13:586 /14:1238 /15:2208 /16:14152 /17:8613 /18:14766
/19:25646 /20:46283 /21:54950 /22:116460 /23:110820 /24:633130
/25:584 /26:588 /27:1060 /28:71 /29:106 /30:20
/31:2 /32:792
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8816 9734 TTNET, TR
12479 6677 7744 UNI2-AS, ES
8151 6322 12180 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3120 4173 VIASAT-SP-BACKBONE, US
22773 2525 3389 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2330 12971 AMAZON-02, US
30036 2218 2558 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2374 2:1539 3:598 4:25 5:4880 6:163
7:6 8:1645 9:1 10:1 11:172 12:1376
13:352 14:2552 15:353 16:279 17:364 18:915
20:474 21:4 22:188 23:7402 24:3069 25:2
27:2804 29:19 31:3294 32:55 34:83 35:209
36:2427 37:4866 38:10296 39:900 40:154 41:4678
42:1934 43:2601 44:358 45:19945 46:5024 47:291
49:2006 50:1904 51:588 52:1585 54:301 55:1089
56:11 57:261 58:2288 59:1414 60:1169 61:3095
62:3032 63:1852 64:5547 65:2208 66:4702 67:3073
68:1130 69:4006 70:1131 71:628 72:2934 74:2846
75:1666 76:616 77:2819 78:4249 79:1698 80:2235
81:2206 82:2993 83:1461 84:1834 85:4311 86:1053
87:2425 88:3429 89:4499 90:784 91:8454 92:2804
93:2907 94:4140 95:5471 96:1426 97:324 98:993
99:739 100:71 101:1327 102:4183 103:32561 104:4836
105:2229 106:999 107:2611 108:1215 109:4026 110:2271
111:3352 112:2064 113:1822 114:1962 115:2207 116:2096
117:2749 118:2875 119:2004 120:1905 121:1433 122:2885
123:2370 124:1685 125:2896 126:86 128:1604 129:1012
130:1307 131:2037 132:902 133:451 134:1533 135:374
136:1290 137:1172 138:3207 139:1624 140:1574 141:1481
142:1864 143:1750 144:1066 145:487 146:2183 147:2098
148:2628 149:2975 150:1264 151:2040 152:2118 153:574
154:8222 155:1644 156:3288 157:1936 158:1274 159:2436
160:3650 161:1982 162:3739 163:1980 164:1754 165:2245
166:1426 167:1912 168:4345 169:824 170:5526 171:1007
172:4476 173:3258 174:913 175:1284 176:3830 177:6130
178:3998 179:2794 180:2660 181:4210 182:3379 183:2053
184:2304 185:21790 186:5701 187:4992 188:4356 189:4593
190:9967 191:2097 192:11213 193:9489 194:7906 195:5686
196:3649 197:3950 198:6233 199:8440 200:8725 201:6554
202:10898 203:10774 204:4592 205:3705 206:4698 207:3577
208:4218 209:5276 210:4885 211:2635 212:4613 213:3883
214:1050 215:46 216:6669 217:3177 218:1386 219:550
220:2089 221:1059 222:851 223:2336
End of report
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