[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Feb 22 22:46:40 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sat 22 Feb, 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: 1028142
Prefixes after maximum aggregation (per Origin AS): 376830
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 475961
Total ASes present in the Internet Routing Table: 76778
Prefixes per ASN: 13.39
Origin-only ASes present in the Internet Routing Table: 66102
Origin ASes announcing only one prefix: 26266
Transit ASes present in the Internet Routing Table: 10676
Transit-only ASes present in the Internet Routing Table: 533
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: 1101
Number of instances of unregistered ASNs: 1108
Number of 32-bit ASNs allocated by the RIRs: 46175
Number of 32-bit ASNs visible in the Routing Table: 37909
Prefixes from 32-bit ASNs in the Routing Table: 210432
Number of bogon 32-bit ASNs visible in the Routing Table: 78
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 537
Number of addresses announced to Internet: 3116245605
Equivalent to 185 /8s, 190 /16s and 34 /24s
Percentage of available address space announced: 84.2
Percentage of allocated address space announced: 84.2
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: 347713
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265158
Total APNIC prefixes after maximum aggregation: 76655
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 257146
Unique aggregates announced from the APNIC address blocks: 102862
APNIC Region origin ASes present in the Internet Routing Table: 14565
APNIC Prefixes per ASN: 17.66
APNIC Region origin ASes announcing only one prefix: 4428
APNIC Region transit ASes present in the Internet Routing Table: 1932
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: 10029
Number of APNIC addresses announced to Internet: 755788864
Equivalent to 45 /8s, 12 /16s and 108 /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: 294382
Total ARIN prefixes after maximum aggregation: 129153
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 295830
Unique aggregates announced from the ARIN address blocks: 135873
ARIN Region origin ASes present in the Internet Routing Table: 19252
ARIN Prefixes per ASN: 15.37
ARIN Region origin ASes announcing only one prefix: 7011
ARIN Region transit ASes present in the Internet Routing Table: 1923
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: 5158
Number of ARIN addresses announced to Internet: 1348893696
Equivalent to 80 /8s, 102 /16s and 124 /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: 289918
Total RIPE prefixes after maximum aggregation: 134014
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 287134
Unique aggregates announced from the RIPE address blocks: 172906
RIPE Region origin ASes present in the Internet Routing Table: 28916
RIPE Prefixes per ASN: 9.93
RIPE Region origin ASes announcing only one prefix: 12023
RIPE Region transit ASes present in the Internet Routing Table: 3841
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: 12301
Number of RIPE addresses announced to Internet: 732481829
Equivalent to 43 /8s, 168 /16s and 201 /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: 138424
Total LACNIC prefixes after maximum aggregation: 29387
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 135432
Unique aggregates announced from the LACNIC address blocks: 48966
LACNIC Region origin ASes present in the Internet Routing Table: 11211
LACNIC Prefixes per ASN: 12.08
LACNIC Region origin ASes announcing only one prefix: 2157
LACNIC Region transit ASes present in the Internet Routing Table: 2454
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: 9143
Number of LACNIC addresses announced to Internet: 173949952
Equivalent to 10 /8s, 94 /16s and 68 /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: 39159
Total AfriNIC prefixes after maximum aggregation: 6943
AfriNIC Deaggregation factor: 5.64
Prefixes being announced from the AfriNIC address blocks: 52061
Unique aggregates announced from the AfriNIC address blocks: 14926
AfriNIC Region origin ASes present in the Internet Routing Table: 1920
AfriNIC Prefixes per ASN: 27.12
AfriNIC Region origin ASes announcing only one prefix: 647
AfriNIC Region transit ASes present in the Internet Routing Table: 361
Average AfriNIC Region AS path length visible: 3.4
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1278
Number of AfriNIC addresses announced to Internet: 104865536
Equivalent to 6 /8s, 64 /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 10337 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6214 844 662 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5042 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4274 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4240 530 275 BBIL-AP BHARTI Airtel Ltd., IN
7552 3919 1331 25 VIETEL-AS-AP Viettel Group, VN
7713 3673 1036 72 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3271 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2846 854 531 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 12799 39190 3786 AMAZON-02, US
174 5455 8765 946 COGENT-174, US
11492 4705 312 562 CABLEONE, US
7155 4175 286 83 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3381 3049 180 ASN-CXA-ALL-CCI-22773-RDC, US
749 3260 54879 2507 DNIC-AS-00749, US
16625 3060 1313 2213 AKAMAI-AS, US
396982 2929 3660 449 GOOGLE-CLOUD-PLATFORM, US
30036 2590 359 278 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 9673 1285 1314 TTNET, TR
12479 7770 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4024 3396 143 AKAMAI-ASN1, NL
9009 3780 325 1925 M247, RO
12389 2997 2303 894 ROSTELECOM-AS, RU
34984 2415 364 573 TELLCOM-AS, TR
212238 2017 147 1490 CDNEXT, GB
8452 1923 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 12048 3250 700 UNINET, MX
10620 3545 492 952 Telmex Colombia S.A., CO
13999 2519 541 366 Mega Cable, S.A. de C.V., MX
11830 1993 369 64 Instituto Costarricense de Electricidad y
28573 1594 2437 265 Claro NXT Telecomunicacoes Ltda, BR
3816 1329 777 211 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1155 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
6503 1130 374 163 Axtel, S.A.B. de C.V., MX
11664 1067 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
24863 1644 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1559 98 102 ORANGE-COTE-IVOIRE, CI
36992 1426 1518 286 ETISALAT-MISR, EG
20011 1291 202 342 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 997 521 42 Vodafone-, EG
37069 847 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 12799 39190 3786 AMAZON-02, US
8151 12048 3250 700 UNINET, MX
9808 10337 8753 90 CHINAMOBILE-CN China Mobile Communication
47331 9673 1285 1314 TTNET, TR
12479 7770 1714 145 UNI2-AS, ES
7545 6214 844 662 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5455 8765 946 COGENT-174, US
4538 5042 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4705 312 562 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 12048 11348 UNINET, MX
9808 10337 10247 CHINAMOBILE-CN China Mobile Communications Grou
47331 9673 8359 TTNET, TR
12479 7770 7625 UNI2-AS, ES
7545 6214 5552 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5042 4964 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5455 4509 COGENT-174, US
18403 4274 4249 FPT-AS-AP FPT Telecom Company, VN
11492 4705 4143 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
400866 UNALLOCATED 2.59.148.0/23 21859 ZEN-ECN, US
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
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
23.140.16.0/24 Origin: 63371 RESERVED, ZZ
23.140.16.0/24 Transit: 3356 LEVEL3, 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 /12:307
/13:588 /14:1235 /15:2203 /16:14099 /17:8576 /18:14252
/19:25441 /20:46123 /21:54840 /22:116204 /23:110138 /24:630666
/25:601 /26:590 /27:1051 /28:78 /29:106 /30:23
/31:2 /32:852
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8758 9673 TTNET, TR
12479 6723 7770 UNI2-AS, ES
8151 6206 12048 UNINET, MX
11492 3556 4705 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3121 4175 VIASAT-SP-BACKBONE, US
22773 2519 3381 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2280 12799 AMAZON-02, US
30036 2250 2590 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2332 2:1599 3:571 4:25 5:4830 6:163
7:6 8:1644 9:1 10:1 11:172 12:1384
13:350 14:2549 15:348 16:273 17:358 18:917
20:460 21:4 22:188 23:7389 24:2773 25:2
27:2775 29:19 31:3218 32:53 34:82 35:206
36:2434 37:4735 38:10026 39:898 40:157 41:4780
42:1953 43:2579 44:352 45:19883 46:5045 47:294
49:1996 50:1898 51:590 52:1603 54:300 55:1087
56:9 57:252 58:2320 59:1289 60:1167 61:3105
62:3051 63:1853 64:5564 65:2221 66:4727 67:3092
68:1144 69:4014 70:1126 71:621 72:2957 74:2816
75:1652 76:617 77:2789 78:4232 79:1758 80:2250
81:2197 82:2676 83:1456 84:1819 85:4282 86:1029
87:2438 88:3428 89:4481 90:763 91:8458 92:2816
93:2894 94:3992 95:5441 96:1365 97:327 98:982
99:741 100:71 101:1403 102:4288 103:32687 104:4833
105:2229 106:991 107:2605 108:1216 109:4142 110:2270
111:3338 112:2075 113:1827 114:1959 115:2220 116:2102
117:2751 118:2899 119:2015 120:1909 121:1436 122:2899
123:2330 124:1680 125:2916 126:94 128:1683 129:1033
130:1315 131:2011 132:913 133:450 134:1533 135:371
136:1341 137:1177 138:3241 139:1626 140:1570 141:1489
142:1876 143:1718 144:1069 145:473 146:2160 147:2068
148:2593 149:2957 150:1241 151:1686 152:2131 153:574
154:7898 155:1626 156:3195 157:1926 158:1260 159:2433
160:3680 161:1938 162:3719 163:1859 164:1744 165:2213
166:1357 167:1907 168:4375 169:821 170:5518 171:1007
172:4374 173:3278 174:919 175:1289 176:3746 177:6155
178:3940 179:2723 180:2657 181:4168 182:3376 183:2044
184:2309 185:21784 186:5722 187:4993 188:4348 189:4592
190:9924 191:2091 192:11221 193:9452 194:7872 195:5647
196:3561 197:3996 198:6233 199:8377 200:8725 201:6558
202:10913 203:10777 204:4596 205:3741 206:4705 207:3607
208:4224 209:5249 210:4922 211:2636 212:4613 213:3874
214:1054 215:42 216:6682 217:3177 218:1396 219:555
220:2117 221:1056 222:849 223:2334
End of report
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