[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Apr 18 22:47:12 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 18 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: 1035604
Prefixes after maximum aggregation (per Origin AS): 380104
Deaggregation factor: 2.72
Unique aggregates announced (without unneeded subnets): 477994
Total ASes present in the Internet Routing Table: 76988
Prefixes per ASN: 13.45
Origin-only ASes present in the Internet Routing Table: 66262
Origin ASes announcing only one prefix: 26325
Transit ASes present in the Internet Routing Table: 10726
Transit-only ASes present in the Internet Routing Table: 537
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: 1139
Number of instances of unregistered ASNs: 1142
Number of 32-bit ASNs allocated by the RIRs: 46240
Number of 32-bit ASNs visible in the Routing Table: 38219
Prefixes from 32-bit ASNs in the Routing Table: 212388
Number of bogon 32-bit ASNs visible in the Routing Table: 73
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 473
Number of addresses announced to Internet: 3113209829
Equivalent to 185 /8s, 143 /16s and 207 /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: 350288
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 267252
Total APNIC prefixes after maximum aggregation: 77183
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 258892
Unique aggregates announced from the APNIC address blocks: 102896
APNIC Region origin ASes present in the Internet Routing Table: 14671
APNIC Prefixes per ASN: 17.65
APNIC Region origin ASes announcing only one prefix: 4448
APNIC Region transit ASes present in the Internet Routing Table: 1961
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 37
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10129
Number of APNIC addresses announced to Internet: 753840704
Equivalent to 44 /8s, 238 /16s and 178 /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: 296847
Total ARIN prefixes after maximum aggregation: 130905
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 297408
Unique aggregates announced from the ARIN address blocks: 137824
ARIN Region origin ASes present in the Internet Routing Table: 19279
ARIN Prefixes per ASN: 15.43
ARIN Region origin ASes announcing only one prefix: 7026
ARIN Region transit ASes present in the Internet Routing Table: 1903
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: 5199
Number of ARIN addresses announced to Internet: 1349696256
Equivalent to 80 /8s, 114 /16s and 187 /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: 292244
Total RIPE prefixes after maximum aggregation: 134891
RIPE Deaggregation factor: 2.17
Prefixes being announced from the RIPE address blocks: 289919
Unique aggregates announced from the RIPE address blocks: 174083
RIPE Region origin ASes present in the Internet Routing Table: 28956
RIPE Prefixes per ASN: 10.01
RIPE Region origin ASes announcing only one prefix: 11999
RIPE Region transit ASes present in the Internet Routing Table: 3861
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: 732133669
Equivalent to 43 /8s, 163 /16s and 121 /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: 138696
Total LACNIC prefixes after maximum aggregation: 29572
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135447
Unique aggregates announced from the LACNIC address blocks: 49000
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: 2205
LACNIC Region transit ASes present in the Internet Routing Table: 2465
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: 9182
Number of LACNIC addresses announced to Internet: 171903104
Equivalent to 10 /8s, 63 /16s and 8 /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: 39426
Total AfriNIC prefixes after maximum aggregation: 6880
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 53463
Unique aggregates announced from the AfriNIC address blocks: 13779
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 27.85
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 367
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: 1288
Number of AfriNIC addresses announced to Internet: 105406720
Equivalent to 6 /8s, 72 /16s and 97 /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 10412 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 4265 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 13230 39696 4091 AMAZON-02, US
174 5458 8761 936 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 3123 1312 2260 AKAMAI-AS, US
396982 2957 3650 468 GOOGLE-CLOUD-PLATFORM, US
36352 2691 221 830 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 2412 363 578 TELLCOM-AS, TR
212238 2097 148 1542 CDNEXT, GB
8452 1967 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 12256 3262 694 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 1191 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 1647 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 13230 39696 4091 AMAZON-02, US
8151 12256 3262 694 UNINET, MX
9808 10412 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 5458 8761 936 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 12256 11562 UNINET, MX
9808 10412 10286 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 5458 4522 COGENT-174, US
18403 4265 4240 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
23.140.216.0/24 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 /12:301
/13:586 /14:1237 /15:2201 /16:14120 /17:8607 /18:14805
/19:25638 /20:46253 /21:54995 /22:116627 /23:111459 /24:635355
/25:585 /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 6406 12256 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 2361 13230 AMAZON-02, US
30036 2216 2556 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2386 2:1543 3:618 4:25 5:4937 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
20:522 21:4 22:188 23:7507 24:2898 25:2
27:2815 29:19 31:3295 32:51 34:84 35:209
36:2422 37:4772 38:10234 39:906 40:166 41:4766
42:1933 43:2611 44:380 45:20070 46:5085 47:293
49:1941 50:1908 51:590 52:1588 54:299 55:1090
56:11 57:265 58:2297 59:1431 60:1171 61:3095
62:3040 63:1848 64:5547 65:2217 66:4726 67:3125
68:1146 69:4016 70:1083 71:628 72:2933 74:2829
75:1610 76:617 77:2852 78:4354 79:1775 80:2237
81:2230 82:3244 83:1465 84:1870 85:4390 86:1058
87:2423 88:3541 89:4485 90:787 91:8447 92:2803
93:2916 94:4144 95:5617 96:1448 97:323 98:1000
99:644 100:72 101:1424 102:4290 103:32542 104:4843
105:2233 106:985 107:2633 108:1220 109:4141 110:2275
111:3377 112:2073 113:1825 114:1983 115:2260 116:2089
117:2743 118:2913 119:2009 120:1908 121:1439 122:2894
123:2412 124:1685 125:2905 126:91 128:1606 129:1036
130:1319 131:2088 132:901 133:451 134:1539 135:377
136:1311 137:1174 138:3253 139:1629 140:1589 141:1489
142:1948 143:1751 144:1084 145:520 146:2181 147:2117
148:2675 149:2999 150:1254 151:1761 152:2129 153:568
154:8346 155:1638 156:3244 157:1920 158:1299 159:2447
160:3683 161:1922 162:3776 163:2092 164:1758 165:2242
166:1452 167:1919 168:4377 169:818 170:5365 171:1008
172:4504 173:3260 174:906 175:1306 176:3821 177:6125
178:3926 179:2742 180:2670 181:4232 182:3374 183:2050
184:2147 185:21825 186:5768 187:5079 188:4326 189:4642
190:9973 191:2071 192:11291 193:9499 194:7886 195:5692
196:3678 197:3986 198:6227 199:8493 200:8778 201:6538
202:10897 203:10770 204:4575 205:3722 206:4683 207:3592
208:4241 209:5265 210:4886 211:2634 212:4712 213:3906
214:1034 215:48 216:6720 217:3201 218:1392 219:550
220:2090 221:1061 222:848 223:2342
End of report
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