[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Wed Mar 5 22:46:15 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 05 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: 1029833
Prefixes after maximum aggregation (per Origin AS): 377734
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476773
Total ASes present in the Internet Routing Table: 76802
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66131
Origin ASes announcing only one prefix: 26293
Transit ASes present in the Internet Routing Table: 10671
Transit-only ASes present in the Internet Routing Table: 541
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: 1049
Number of instances of unregistered ASNs: 1056
Number of 32-bit ASNs allocated by the RIRs: 46211
Number of 32-bit ASNs visible in the Routing Table: 37974
Prefixes from 32-bit ASNs in the Routing Table: 210772
Number of bogon 32-bit ASNs visible in the Routing Table: 85
Special use prefixes present in the Routing Table: 8
Prefixes being announced from unallocated address space: 504
Number of addresses announced to Internet: 3114628453
Equivalent to 185 /8s, 165 /16s and 117 /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: 347975
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265617
Total APNIC prefixes after maximum aggregation: 76730
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 257306
Unique aggregates announced from the APNIC address blocks: 102875
APNIC Region origin ASes present in the Internet Routing Table: 14592
APNIC Prefixes per ASN: 17.63
APNIC Region origin ASes announcing only one prefix: 4433
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: 34
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10058
Number of APNIC addresses announced to Internet: 752153920
Equivalent to 44 /8s, 212 /16s and 245 /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: 295555
Total ARIN prefixes after maximum aggregation: 129888
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296100
Unique aggregates announced from the ARIN address blocks: 136371
ARIN Region origin ASes present in the Internet Routing Table: 19249
ARIN Prefixes per ASN: 15.38
ARIN Region origin ASes announcing only one prefix: 7009
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: 5171
Number of ARIN addresses announced to Internet: 1350407168
Equivalent to 80 /8s, 125 /16s and 148 /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: 289926
Total RIPE prefixes after maximum aggregation: 134055
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 287547
Unique aggregates announced from the RIPE address blocks: 172924
RIPE Region origin ASes present in the Internet Routing Table: 28903
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12024
RIPE Region transit ASes present in the Internet Routing Table: 3837
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 26
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12308
Number of RIPE addresses announced to Internet: 733011237
Equivalent to 43 /8s, 176 /16s and 221 /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: 138632
Total LACNIC prefixes after maximum aggregation: 29442
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 135614
Unique aggregates announced from the LACNIC address blocks: 49020
LACNIC Region origin ASes present in the Internet Routing Table: 11219
LACNIC Prefixes per ASN: 12.09
LACNIC Region origin ASes announcing only one prefix: 2173
LACNIC Region transit ASes present in the Internet Routing Table: 2468
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: 9156
Number of LACNIC addresses announced to Internet: 173910016
Equivalent to 10 /8s, 93 /16s and 168 /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: 39054
Total AfriNIC prefixes after maximum aggregation: 6970
AfriNIC Deaggregation factor: 5.60
Prefixes being announced from the AfriNIC address blocks: 52760
Unique aggregates announced from the AfriNIC address blocks: 15141
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 27.49
AfriNIC Region origin ASes announcing only one prefix: 654
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: 1281
Number of AfriNIC addresses announced to Internet: 104902400
Equivalent to 6 /8s, 64 /16s and 175 /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 10328 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6214 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5011 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4398 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4242 530 277 BBIL-AP BHARTI Airtel Ltd., IN
7552 3921 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3675 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3279 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2848 855 532 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2207 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 13001 39646 3945 AMAZON-02, US
174 5417 8769 975 COGENT-174, US
11492 4705 312 566 CABLEONE, US
7155 4175 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3386 3049 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3087 1315 2229 AKAMAI-AS, US
396982 2936 3660 455 GOOGLE-CLOUD-PLATFORM, US
30036 2551 353 413 MEDIACOM-ENTERPRISE-BUSINESS, 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 9685 1288 1286 TTNET, TR
12479 7770 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4042 3396 142 AKAMAI-ASN1, NL
9009 3768 323 1931 M247, RO
12389 2990 2304 896 ROSTELECOM-AS, RU
34984 2413 363 572 TELLCOM-AS, TR
212238 2029 146 1500 CDNEXT, GB
8452 1920 1852 14 TE-AS TE-AS, EG
5384 1799 585 30 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 12074 3254 696 UNINET, MX
10620 3548 492 954 Telmex Colombia S.A., CO
13999 2510 539 374 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1597 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1330 781 212 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1169 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
6503 1117 374 163 Axtel, S.A.B. de C.V., MX
11664 1075 278 33 Techtel LMDS Comunicaciones Interactivas
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 1683 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1618 389 16 LINKdotNET-AS, EG
29571 1577 99 102 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
20011 1292 202 342 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1022 523 45 Vodafone-, EG
37069 867 1083 15 MOBINIL, EG
6713 558 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 13001 39646 3945 AMAZON-02, US
8151 12074 3254 696 UNINET, MX
9808 10328 8753 90 CHINAMOBILE-CN China Mobile Communication
47331 9685 1288 1286 TTNET, TR
12479 7770 1714 145 UNI2-AS, ES
7545 6214 843 659 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5417 8769 975 COGENT-174, US
4538 5011 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4705 312 566 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 12074 11378 UNINET, MX
9808 10328 10238 CHINAMOBILE-CN China Mobile Communications Grou
47331 9685 8399 TTNET, TR
12479 7770 7625 UNI2-AS, ES
7545 6214 5555 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5011 4933 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5417 4442 COGENT-174, US
18403 4398 4373 FPT-AS-AP FPT Telecom Company, VN
11492 4705 4139 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
100.108.0.0/23 43939 INTERNETIA_ETTH2-AS Noc-Bialystok, PL
100.108.14.0/24 43939 INTERNETIA_ETTH2-AS Noc-Bialystok, PL
100.108.38.0/23 43939 INTERNETIA_ETTH2-AS Noc-Bialystok, PL
100.108.43.0/24 43939 INTERNETIA_ETTH2-AS Noc-Bialystok, PL
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
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 7018 ATT-INTERNET4, US
23.140.48.0/24 Origin: 63371 RESERVED, ZZ
23.140.48.0/24 Transit: 7018 ATT-INTERNET4, 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
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 /10:42 /11:92 /12:304
/13:587 /14:1235 /15:2207 /16:14125 /17:8591 /18:14276
/19:25483 /20:46143 /21:54772 /22:116165 /23:110378 /24:632194
/25:593 /26:590 /27:1053 /28:77 /29:106 /30:23
/31:2 /32:762
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8768 9685 TTNET, TR
12479 6712 7770 UNI2-AS, ES
8151 6228 12074 UNINET, MX
11492 3555 4705 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 3121 4175 VIASAT-SP-BACKBONE, US
22773 2522 3386 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2343 13001 AMAZON-02, US
30036 2212 2551 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2363 2:1538 3:584 4:25 5:4861 6:167
7:6 8:1644 9:1 10:1 11:172 12:1379
13:351 14:2552 15:351 16:277 17:364 18:925
20:465 21:4 22:188 23:7384 24:2771 25:2
27:2777 29:19 31:3248 32:53 34:82 35:207
36:2438 37:4746 38:10168 39:899 40:154 41:4787
42:2011 43:2578 44:357 45:19969 46:5067 47:292
49:1998 50:1899 51:589 52:1599 54:301 55:1071
56:9 57:252 58:2320 59:1289 60:1166 61:3085
62:3020 63:1854 64:5571 65:2201 66:4735 67:3100
68:1139 69:4008 70:1124 71:621 72:2955 74:2817
75:1656 76:618 77:2799 78:4237 79:1748 80:2241
81:2180 82:2777 83:1446 84:1835 85:4282 86:1037
87:2436 88:3426 89:4483 90:781 91:8444 92:2816
93:2914 94:3993 95:5477 96:1408 97:327 98:979
99:740 100:73 101:1421 102:4240 103:32618 104:4835
105:2235 106:998 107:2603 108:1221 109:4162 110:2271
111:3341 112:2070 113:1831 114:1954 115:2213 116:2104
117:2760 118:2902 119:2013 120:1911 121:1436 122:2904
123:2335 124:1686 125:2914 126:92 128:1623 129:1039
130:1315 131:2016 132:906 133:450 134:1534 135:375
136:1314 137:1174 138:3247 139:1636 140:1558 141:1478
142:1879 143:1752 144:1069 145:478 146:2176 147:2084
148:2606 149:2966 150:1251 151:1962 152:2133 153:574
154:8191 155:1637 156:3326 157:1937 158:1279 159:2441
160:3677 161:1972 162:3715 163:1892 164:1761 165:2216
166:1388 167:1914 168:4364 169:818 170:5531 171:1004
172:4470 173:3257 174:916 175:1288 176:3782 177:6211
178:3930 179:2728 180:2656 181:4177 182:3379 183:2052
184:2314 185:21770 186:5722 187:4976 188:4339 189:4607
190:9945 191:2105 192:11214 193:9462 194:7858 195:5656
196:3584 197:3964 198:6243 199:8410 200:8716 201:6573
202:10921 203:10790 204:4587 205:3707 206:4691 207:3606
208:4220 209:5283 210:4872 211:2635 212:4603 213:3876
214:1060 215:42 216:6688 217:3181 218:1392 219:554
220:2110 221:1055 222:849 223:2337
End of report
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