[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 19 22:46:36 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Wed 19 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: 1030522
Prefixes after maximum aggregation (per Origin AS): 377919
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 475880
Total ASes present in the Internet Routing Table: 76835
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66186
Origin ASes announcing only one prefix: 26263
Transit ASes present in the Internet Routing Table: 10649
Transit-only ASes present in the Internet Routing Table: 535
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: 1075
Number of instances of unregistered ASNs: 1086
Number of 32-bit ASNs allocated by the RIRs: 46125
Number of 32-bit ASNs visible in the Routing Table: 38054
Prefixes from 32-bit ASNs in the Routing Table: 211086
Number of bogon 32-bit ASNs visible in the Routing Table: 93
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 533
Number of addresses announced to Internet: 3111982949
Equivalent to 185 /8s, 125 /16s and 23 /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: 348543
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265432
Total APNIC prefixes after maximum aggregation: 76702
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 257088
Unique aggregates announced from the APNIC address blocks: 102733
APNIC Region origin ASes present in the Internet Routing Table: 14603
APNIC Prefixes per ASN: 17.61
APNIC Region origin ASes announcing only one prefix: 4430
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: 48
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10071
Number of APNIC addresses announced to Internet: 751530816
Equivalent to 44 /8s, 203 /16s and 115 /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: 296027
Total ARIN prefixes after maximum aggregation: 129983
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296459
Unique aggregates announced from the ARIN address blocks: 136591
ARIN Region origin ASes present in the Internet Routing Table: 19243
ARIN Prefixes per ASN: 15.41
ARIN Region origin ASes announcing only one prefix: 7017
ARIN Region transit ASes present in the Internet Routing Table: 1894
Average ARIN Region AS path length visible: 2.9
Max ARIN Region AS path length visible: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5177
Number of ARIN addresses announced to Internet: 1350660352
Equivalent to 80 /8s, 129 /16s and 113 /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: 290288
Total RIPE prefixes after maximum aggregation: 134209
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 288252
Unique aggregates announced from the RIPE address blocks: 173615
RIPE Region origin ASes present in the Internet Routing Table: 28926
RIPE Prefixes per ASN: 9.97
RIPE Region origin ASes announcing only one prefix: 12005
RIPE Region transit ASes present in the Internet Routing Table: 3840
Average RIPE Region AS path length visible: 3.2
Max RIPE Region AS path length visible: 43
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12352
Number of RIPE addresses announced to Internet: 732550309
Equivalent to 43 /8s, 169 /16s and 212 /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: 138587
Total LACNIC prefixes after maximum aggregation: 29506
LACNIC Deaggregation factor: 4.70
Prefixes being announced from the LACNIC address blocks: 135291
Unique aggregates announced from the LACNIC address blocks: 49021
LACNIC Region origin ASes present in the Internet Routing Table: 11216
LACNIC Prefixes per ASN: 12.06
LACNIC Region origin ASes announcing only one prefix: 2160
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: 9166
Number of LACNIC addresses announced to Internet: 171679616
Equivalent to 10 /8s, 59 /16s and 159 /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: 39113
Total AfriNIC prefixes after maximum aggregation: 6851
AfriNIC Deaggregation factor: 5.71
Prefixes being announced from the AfriNIC address blocks: 52897
Unique aggregates announced from the AfriNIC address blocks: 13468
AfriNIC Region origin ASes present in the Internet Routing Table: 1924
AfriNIC Prefixes per ASN: 27.49
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 367
Average AfriNIC Region AS path length visible: 3.6
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: 105307136
Equivalent to 6 /8s, 70 /16s and 220 /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 10326 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6212 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4982 4193 77 ERX-CERNET-BKB China Education and Resear
18403 4400 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4267 530 279 BBIL-AP BHARTI Airtel Ltd., IN
7552 3912 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3677 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3280 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2834 845 538 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2205 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 12969 39645 3981 AMAZON-02, US
174 5583 8765 958 COGENT-174, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3623 1320 81 SHAW, CA
22773 3391 3049 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3086 1305 2228 AKAMAI-AS, US
396982 2945 3660 458 GOOGLE-CLOUD-PLATFORM, US
30036 2557 351 389 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 9719 1292 1203 TTNET, TR
12479 7755 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4030 3396 142 AKAMAI-ASN1, NL
9009 3770 323 1947 M247, RO
12389 3012 2304 892 ROSTELECOM-AS, RU
34984 2417 364 575 TELLCOM-AS, TR
212238 2053 147 1513 CDNEXT, GB
8452 1914 1852 14 TE-AS TE-AS, EG
5384 1798 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 12122 3259 685 UNINET, MX
10620 3523 486 970 Telmex Colombia S.A., CO
13999 2514 539 368 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 781 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1194 371 21 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1070 278 33 Techtel LMDS Comunicaciones Interactivas
6503 1067 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 1683 599 30 RAYA-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
24863 1621 389 16 LINKdotNET-AS, EG
29571 1560 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 859 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 12969 39645 3981 AMAZON-02, US
8151 12122 3259 685 UNINET, MX
9808 10326 8753 90 CHINAMOBILE-CN China Mobile Communication
47331 9719 1292 1203 TTNET, TR
12479 7755 1714 145 UNI2-AS, ES
7545 6212 843 657 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5583 8765 958 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 12122 11437 UNINET, MX
9808 10326 10236 CHINAMOBILE-CN China Mobile Communications Grou
47331 9719 8516 TTNET, TR
12479 7755 7610 UNI2-AS, ES
7545 6212 5555 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 5583 4625 COGENT-174, US
18403 4400 4375 FPT-AS-AP FPT Telecom Company, VN
7155 4174 4091 VIASAT-SP-BACKBONE, 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
23.136.36.0/24 Origin: 17378 AS17378, US
23.136.36.0/24 Transit: 18106 VIEWQWEST-SG-AP Viewqwest Pte Ltd, SG
23.136.44.0/24 Origin: 395881 SKYLINKHOSTINGLLC, ZZ
23.136.44.0/24 Transit: 40124 AS-CITSL, 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 /10:41 /11:93 /12:303
/13:586 /14:1236 /15:2207 /16:14135 /17:8597 /18:14298
/19:25489 /20:46082 /21:54667 /22:115964 /23:110401 /24:633166
/25:591 /26:590 /27:1056 /28:71 /29:105 /30:20
/31:2 /32:789
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8801 9719 TTNET, TR
12479 6690 7755 UNI2-AS, ES
8151 6269 12122 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3418 3623 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2527 3391 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2339 12969 AMAZON-02, US
30036 2217 2557 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2384 2:1538 3:597 4:25 5:4869 6:162
7:6 8:1644 9:1 10:1 11:172 12:1379
13:347 14:2551 15:352 16:279 17:364 18:920
20:472 21:4 22:188 23:7395 24:3074 25:2
27:2788 29:19 31:3274 32:55 34:83 35:209
36:2419 37:4746 38:10277 39:900 40:154 41:4781
42:2003 43:2583 44:356 45:20029 46:5074 47:291
49:2007 50:1896 51:590 52:1589 54:302 55:1070
56:9 57:264 58:2297 59:1385 60:1165 61:3100
62:3028 63:1860 64:5548 65:2205 66:4711 67:3063
68:1135 69:3999 70:1131 71:629 72:2938 74:2835
75:1663 76:615 77:2811 78:4247 79:1757 80:2232
81:2200 82:2896 83:1441 84:1835 85:4301 86:1046
87:2432 88:3426 89:4486 90:783 91:8443 92:2811
93:2915 94:4000 95:5461 96:1423 97:324 98:991
99:738 100:71 101:1328 102:4264 103:32532 104:4838
105:2228 106:999 107:2611 108:1218 109:4169 110:2272
111:3347 112:2063 113:1830 114:1960 115:2206 116:2094
117:2755 118:2896 119:1992 120:1909 121:1436 122:2884
123:2332 124:1686 125:2914 126:88 128:1610 129:1013
130:1318 131:2041 132:900 133:451 134:1533 135:375
136:1269 137:1175 138:3243 139:1625 140:1563 141:1485
142:1855 143:1759 144:1064 145:485 146:2180 147:2098
148:2616 149:2974 150:1257 151:2122 152:2125 153:574
154:8185 155:1636 156:3334 157:1935 158:1281 159:2430
160:3660 161:1999 162:3730 163:1953 164:1748 165:2239
166:1410 167:1917 168:4361 169:821 170:5534 171:1006
172:4479 173:3248 174:913 175:1279 176:3811 177:6142
178:4005 179:2821 180:2659 181:4202 182:3372 183:2072
184:2305 185:21801 186:5710 187:4993 188:4346 189:4567
190:9946 191:2077 192:11208 193:9485 194:7882 195:5683
196:3657 197:3973 198:6227 199:8424 200:8734 201:6564
202:10926 203:10765 204:4574 205:3678 206:4702 207:3590
208:4227 209:5276 210:4883 211:2635 212:4606 213:3860
214:1055 215:48 216:6683 217:3178 218:1386 219:549
220:2105 221:1056 222:851 223:2337
End of report
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