[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Tue Mar 11 22:46:14 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Tue 11 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: 1030093
Prefixes after maximum aggregation (per Origin AS): 377849
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 476286
Total ASes present in the Internet Routing Table: 76799
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66145
Origin ASes announcing only one prefix: 26267
Transit ASes present in the Internet Routing Table: 10654
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: 1057
Number of instances of unregistered ASNs: 1078
Number of 32-bit ASNs allocated by the RIRs: 46190
Number of 32-bit ASNs visible in the Routing Table: 37988
Prefixes from 32-bit ASNs in the Routing Table: 210560
Number of bogon 32-bit ASNs visible in the Routing Table: 111
Special use prefixes present in the Routing Table: 2
Prefixes being announced from unallocated address space: 493
Number of addresses announced to Internet: 3114270821
Equivalent to 185 /8s, 160 /16s and 0 /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: 348685
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265426
Total APNIC prefixes after maximum aggregation: 76653
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 257203
Unique aggregates announced from the APNIC address blocks: 102823
APNIC Region origin ASes present in the Internet Routing Table: 14588
APNIC Prefixes per ASN: 17.63
APNIC Region origin ASes announcing only one prefix: 4414
APNIC Region transit ASes present in the Internet Routing Table: 1943
Average APNIC Region AS path length visible: 3.4
Max APNIC Region AS path length visible: 36
Number of APNIC region 32-bit ASNs visible in the Routing Table: 10058
Number of APNIC addresses announced to Internet: 751984448
Equivalent to 44 /8s, 210 /16s and 95 /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: 295667
Total ARIN prefixes after maximum aggregation: 130006
ARIN Deaggregation factor: 2.27
Prefixes being announced from the ARIN address blocks: 296299
Unique aggregates announced from the ARIN address blocks: 136458
ARIN Region origin ASes present in the Internet Routing Table: 19246
ARIN Prefixes per ASN: 15.40
ARIN Region origin ASes announcing only one prefix: 7007
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: 27
Number of ARIN region 32-bit ASNs visible in the Routing Table: 5169
Number of ARIN addresses announced to Internet: 1351512832
Equivalent to 80 /8s, 142 /16s and 115 /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: 290118
Total RIPE prefixes after maximum aggregation: 134094
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 287706
Unique aggregates announced from the RIPE address blocks: 173065
RIPE Region origin ASes present in the Internet Routing Table: 28916
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12023
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: 12319
Number of RIPE addresses announced to Internet: 732344613
Equivalent to 43 /8s, 166 /16s and 177 /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: 138810
Total LACNIC prefixes after maximum aggregation: 29491
LACNIC Deaggregation factor: 4.71
Prefixes being announced from the LACNIC address blocks: 135765
Unique aggregates announced from the LACNIC address blocks: 49030
LACNIC Region origin ASes present in the Internet Routing Table: 11221
LACNIC Prefixes per ASN: 12.10
LACNIC Region origin ASes announcing only one prefix: 2174
LACNIC Region transit ASes present in the Internet Routing Table: 2460
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: 9160
Number of LACNIC addresses announced to Internet: 172908288
Equivalent to 10 /8s, 78 /16s and 95 /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: 39015
Total AfriNIC prefixes after maximum aggregation: 6950
AfriNIC Deaggregation factor: 5.61
Prefixes being announced from the AfriNIC address blocks: 52625
Unique aggregates announced from the AfriNIC address blocks: 14479
AfriNIC Region origin ASes present in the Internet Routing Table: 1918
AfriNIC Prefixes per ASN: 27.44
AfriNIC Region origin ASes announcing only one prefix: 649
AfriNIC Region transit ASes present in the Internet Routing Table: 364
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: 1282
Number of AfriNIC addresses announced to Internet: 105279488
Equivalent to 6 /8s, 70 /16s and 112 /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 10329 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6212 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5062 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4403 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4254 530 277 BBIL-AP BHARTI Airtel Ltd., IN
7552 3922 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3676 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3284 1869 104 VNPT-AS-VN VNPT Corp, VN
24560 2841 848 539 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2206 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 12947 39644 3938 AMAZON-02, US
174 5626 8768 961 COGENT-174, US
11492 4673 310 589 CABLEONE, US
7155 4175 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3391 3049 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3078 1306 2226 AKAMAI-AS, US
396982 2944 3660 457 GOOGLE-CLOUD-PLATFORM, US
30036 2546 350 417 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 9683 1287 1285 TTNET, TR
12479 7775 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4032 3396 142 AKAMAI-ASN1, NL
9009 3783 324 1948 M247, RO
12389 2988 2303 891 ROSTELECOM-AS, RU
34984 2415 364 574 TELLCOM-AS, TR
212238 2028 144 1495 CDNEXT, GB
8452 1911 1852 14 TE-AS TE-AS, EG
5384 1781 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 12089 3257 689 UNINET, MX
10620 3523 487 970 Telmex Colombia S.A., CO
13999 2508 539 374 Mega Cable, S.A. de C.V., MX
11830 1992 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 1203 371 22 Telefonica del Peru S.A.A., PE
28202 1126 52 9 Rede Brasileira de Comunicacao SA, BR
6503 1107 359 174 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 1619 389 16 LINKdotNET-AS, EG
29571 1582 100 104 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 1022 523 45 Vodafone-, EG
37069 883 1083 15 MOBINIL, EG
6713 559 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 12947 39644 3938 AMAZON-02, US
8151 12089 3257 689 UNINET, MX
9808 10329 8753 90 CHINAMOBILE-CN China Mobile Communication
47331 9683 1287 1285 TTNET, TR
12479 7775 1714 145 UNI2-AS, ES
7545 6212 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5626 8768 961 COGENT-174, US
4538 5062 4194 78 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4673 310 589 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 12089 11400 UNINET, MX
9808 10329 10239 CHINAMOBILE-CN China Mobile Communications Grou
47331 9683 8398 TTNET, TR
12479 7775 7630 UNI2-AS, ES
7545 6212 5554 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5062 4984 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5626 4665 COGENT-174, US
18403 4403 4378 FPT-AS-AP FPT Telecom Company, VN
7155 4175 4092 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
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 /10:42 /11:92 /12:304
/13:587 /14:1236 /15:2205 /16:14135 /17:8584 /18:14278
/19:25485 /20:46080 /21:54755 /22:115926 /23:110460 /24:632655
/25:585 /26:590 /27:1058 /28:77 /29:106 /30:23
/31:2 /32:795
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8766 9683 TTNET, TR
12479 6715 7775 UNI2-AS, ES
8151 6244 12089 UNINET, MX
11492 3527 4673 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 3121 4175 VIASAT-SP-BACKBONE, US
22773 2527 3391 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2340 12947 AMAZON-02, US
30036 2206 2546 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 2:1534 3:586 4:25 5:4876 6:162
7:6 8:1662 9:1 10:1 11:172 12:1379
13:347 14:2557 15:352 16:279 17:364 18:924
20:471 21:4 22:188 23:7382 24:3066 25:2
27:2773 29:19 31:3261 32:53 34:83 35:208
36:2433 37:4735 38:10310 39:898 40:157 41:4767
42:2017 43:2580 44:359 45:19941 46:5091 47:290
49:2009 50:1898 51:590 52:1592 54:302 55:941
56:9 57:254 58:2311 59:1303 60:1166 61:3099
62:3028 63:1845 64:5552 65:2196 66:4731 67:3081
68:1142 69:4001 70:1131 71:623 72:2949 74:2815
75:1655 76:617 77:2808 78:4235 79:1758 80:2227
81:2181 82:2818 83:1445 84:1835 85:4281 86:1038
87:2440 88:3426 89:4489 90:782 91:8450 92:2812
93:2924 94:3986 95:5468 96:1412 97:327 98:974
99:738 100:71 101:1412 102:4227 103:32577 104:4822
105:2234 106:1001 107:2602 108:1226 109:4167 110:2271
111:3344 112:2045 113:1829 114:1960 115:2210 116:2100
117:2761 118:2899 119:2014 120:1911 121:1439 122:2882
123:2331 124:1685 125:2899 126:86 128:1609 129:1017
130:1320 131:2026 132:895 133:451 134:1533 135:376
136:1283 137:1176 138:3237 139:1624 140:1561 141:1483
142:1875 143:1753 144:1056 145:484 146:2178 147:2083
148:2609 149:2950 150:1249 151:1946 152:2141 153:574
154:8125 155:1646 156:3317 157:1934 158:1279 159:2442
160:3648 161:1978 162:3707 163:1914 164:1758 165:2219
166:1400 167:1915 168:4374 169:819 170:5536 171:1006
172:4460 173:3249 174:915 175:1284 176:3784 177:6256
178:3954 179:2810 180:2649 181:4189 182:3378 183:2075
184:2314 185:21783 186:5768 187:4993 188:4342 189:4645
190:9963 191:2107 192:11225 193:9473 194:7862 195:5670
196:3603 197:3967 198:6241 199:8420 200:8726 201:6612
202:10918 203:10775 204:4555 205:3685 206:4685 207:3591
208:4208 209:5263 210:4924 211:2641 212:4609 213:3889
214:1066 215:42 216:6700 217:3184 218:1390 219:555
220:2108 221:1056 222:849 223:2338
End of report
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