[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Apr 19 22:47:07 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 19 Apr, 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: 1035904
Prefixes after maximum aggregation (per Origin AS): 380133
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 478062
Total ASes present in the Internet Routing Table: 76992
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66276
Origin ASes announcing only one prefix: 26328
Transit ASes present in the Internet Routing Table: 10716
Transit-only ASes present in the Internet Routing Table: 536
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: 1143
Number of instances of unregistered ASNs: 1150
Number of 32-bit ASNs allocated by the RIRs: 46245
Number of 32-bit ASNs visible in the Routing Table: 38215
Prefixes from 32-bit ASNs in the Routing Table: 212446
Number of bogon 32-bit ASNs visible in the Routing Table: 81
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 489
Number of addresses announced to Internet: 3113256549
Equivalent to 185 /8s, 144 /16s and 134 /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: 350349
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267226
Total APNIC prefixes after maximum aggregation: 77182
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 258866
Unique aggregates announced from the APNIC address blocks: 102915
APNIC Region origin ASes present in the Internet Routing Table: 14670
APNIC Prefixes per ASN: 17.65
APNIC Region origin ASes announcing only one prefix: 4440
APNIC Region transit ASes present in the Internet Routing Table: 1965
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: 10125
Number of APNIC addresses announced to Internet: 753838400
Equivalent to 44 /8s, 238 /16s and 169 /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: 297113
Total ARIN prefixes after maximum aggregation: 130916
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 297641
Unique aggregates announced from the ARIN address blocks: 137857
ARIN Region origin ASes present in the Internet Routing Table: 19278
ARIN Prefixes per ASN: 15.44
ARIN Region origin ASes announcing only one prefix: 7022
ARIN Region transit ASes present in the Internet Routing Table: 1899
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: 5198
Number of ARIN addresses announced to Internet: 1349764352
Equivalent to 80 /8s, 115 /16s and 197 /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: 292258
Total RIPE prefixes after maximum aggregation: 134890
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 289945
Unique aggregates announced from the RIPE address blocks: 174076
RIPE Region origin ASes present in the Internet Routing Table: 28964
RIPE Prefixes per ASN: 10.01
RIPE Region origin ASes announcing only one prefix: 12013
RIPE Region transit ASes present in the Internet Routing Table: 3857
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12421
Number of RIPE addresses announced to Internet: 732107301
Equivalent to 43 /8s, 163 /16s and 18 /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: 138739
Total LACNIC prefixes after maximum aggregation: 29584
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135494
Unique aggregates announced from the LACNIC address blocks: 49017
LACNIC Region origin ASes present in the Internet Routing Table: 11240
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2208
LACNIC Region transit ASes present in the Internet Routing Table: 2463
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: 9185
Number of LACNIC addresses announced to Internet: 171901696
Equivalent to 10 /8s, 63 /16s and 3 /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: 39425
Total AfriNIC prefixes after maximum aggregation: 6887
AfriNIC Deaggregation factor: 5.72
Prefixes being announced from the AfriNIC address blocks: 53467
Unique aggregates announced from the AfriNIC address blocks: 13782
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 27.86
AfriNIC Region origin ASes announcing only one prefix: 645
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: 1286
Number of AfriNIC addresses announced to Internet: 105414656
Equivalent to 6 /8s, 72 /16s and 128 /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 10411 8921 126 CHINAMOBILE-CN China Mobile Communication
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4194 78 ERX-CERNET-BKB China Education and Resear
9498 4318 531 280 BBIL-AP BHARTI Airtel Ltd., IN
18403 4264 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3925 1332 26 VIETEL-AS-AP Viettel Group, VN
45899 3912 1890 51 VNPT-AS-VN VNPT Corp, VN
7713 3674 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
24560 2860 850 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2234 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 13231 39710 4101 AMAZON-02, US
174 5455 8761 934 COGENT-174, US
11492 4694 311 587 CABLEONE, US
7155 3829 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3408 3050 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3254 54879 2505 DNIC-AS-00749, US
16625 3116 1307 2254 AKAMAI-AS, US
396982 2957 3650 468 GOOGLE-CLOUD-PLATFORM, US
36352 2708 222 836 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 9747 1294 1095 TTNET, TR
12479 7704 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4055 3396 142 AKAMAI-ASN1, NL
9009 3800 328 1978 M247, RO
12389 3073 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 578 TELLCOM-AS, TR
212238 2097 148 1542 CDNEXT, GB
8452 1966 1852 14 TE-AS TE-AS, EG
5384 1788 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 12255 3262 693 UNINET, MX
10620 3522 486 992 Telmex Colombia S.A., CO
13999 2515 539 364 Mega Cable, S.A. de C.V., MX
11830 1994 369 64 Instituto Costarricense de Electricidad y
28573 1600 2438 256 Claro NXT Telecomunicacoes Ltda, BR
3816 1333 784 206 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 1085 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1054 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 1743 607 31 RAYA-AS, EG
24863 1648 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1588 102 22 ORANGE-COTE-IVOIRE, CI
36992 1433 1518 283 ETISALAT-MISR, EG
20011 1296 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1020 521 42 Vodafone-, EG
37069 932 1099 15 MOBINIL, EG
6713 561 1861 35 IAM-AS, MA
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 13231 39710 4101 AMAZON-02, US
8151 12255 3262 693 UNINET, MX
9808 10411 8921 126 CHINAMOBILE-CN China Mobile Communication
47331 9747 1294 1095 TTNET, TR
12479 7704 1714 145 UNI2-AS, ES
7545 6215 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5455 8761 934 COGENT-174, US
4538 4981 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4694 311 587 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 12255 11562 UNINET, MX
9808 10411 10285 CHINAMOBILE-CN China Mobile Communications Grou
47331 9747 8652 TTNET, TR
12479 7704 7559 UNI2-AS, ES
7545 6215 5558 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4981 4903 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5455 4521 COGENT-174, US
18403 4264 4239 FPT-AS-AP FPT Telecom Company, VN
11492 4694 4107 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
23.138.4.0/24 Origin: 16509 AMAZON-02, US
23.138.4.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, 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
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 /12:301
/13:586 /14:1237 /15:2201 /16:14119 /17:8607 /18:14806
/19:25636 /20:46257 /21:54995 /22:116616 /23:111456 /24:635668
/25:584 /26:582 /27:1061 /28:66 /29:107 /30:20
/31:2 /32:830
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8828 9747 TTNET, TR
12479 6625 7704 UNI2-AS, ES
8151 6405 12255 UNINET, MX
11492 3531 4694 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2787 3829 VIASAT-SP-BACKBONE, US
22773 2545 3408 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2351 13231 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)
----------------------------------------------
1:2387 2:1544 3:618 4:25 5:4939 6:163
7:6 8:1650 9:1 10:1 11:172 12:1375
13:355 14:2554 15:354 16:283 17:369 18:924
20:523 21:4 22:188 23:7515 24:2898 25:2
27:2800 29:19 31:3310 32:51 34:84 35:209
36:2423 37:4773 38:10225 39:907 40:166 41:4768
42:1931 43:2613 44:378 45:20101 46:5083 47:293
49:1941 50:1908 51:590 52:1588 54:299 55:1085
56:11 57:265 58:2298 59:1434 60:1171 61:3095
62:3040 63:1849 64:5550 65:2217 66:4727 67:3125
68:1146 69:4014 70:1083 71:630 72:2934 74:2829
75:1610 76:617 77:2853 78:4355 79:1772 80:2238
81:2229 82:3242 83:1465 84:1872 85:4390 86:1058
87:2423 88:3541 89:4496 90:787 91:8449 92:2802
93:2915 94:4153 95:5618 96:1452 97:323 98:999
99:643 100:72 101:1424 102:4280 103:32528 104:4846
105:2232 106:985 107:2634 108:1219 109:4141 110:2277
111:3376 112:2073 113:1826 114:1983 115:2261 116:2090
117:2743 118:2916 119:2010 120:1907 121:1438 122:2894
123:2416 124:1685 125:2905 126:91 128:1606 129:1036
130:1322 131:2091 132:902 133:451 134:1539 135:377
136:1311 137:1175 138:3253 139:1630 140:1591 141:1495
142:1948 143:1751 144:1085 145:520 146:2181 147:2117
148:2674 149:3002 150:1255 151:1757 152:2129 153:568
154:8344 155:1641 156:3252 157:1920 158:1299 159:2446
160:3700 161:1922 162:3775 163:2094 164:1761 165:2240
166:1449 167:1919 168:4381 169:822 170:5537 171:1008
172:4509 173:3264 174:906 175:1306 176:3815 177:6120
178:3925 179:2745 180:2671 181:4233 182:3375 183:2049
184:2152 185:21815 186:5777 187:5070 188:4327 189:4643
190:9970 191:2071 192:11291 193:9506 194:7890 195:5690
196:3680 197:3990 198:6236 199:8495 200:8790 201:6562
202:10880 203:10781 204:4573 205:3718 206:4682 207:3590
208:4241 209:5265 210:4888 211:2634 212:4712 213:3906
214:1027 215:48 216:6727 217:3201 218:1393 219:550
220:2088 221:1059 222:847 223:2342
End of report
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