[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Thu Mar 13 22:46:21 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Thu 13 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: 1030297
Prefixes after maximum aggregation (per Origin AS): 377972
Deaggregation factor: 2.73
Unique aggregates announced (without unneeded subnets): 477165
Total ASes present in the Internet Routing Table: 76818
Prefixes per ASN: 13.41
Origin-only ASes present in the Internet Routing Table: 66165
Origin ASes announcing only one prefix: 26272
Transit ASes present in the Internet Routing Table: 10653
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: 1115
Number of instances of unregistered ASNs: 1121
Number of 32-bit ASNs allocated by the RIRs: 46137
Number of 32-bit ASNs visible in the Routing Table: 38020
Prefixes from 32-bit ASNs in the Routing Table: 210711
Number of bogon 32-bit ASNs visible in the Routing Table: 75
Special use prefixes present in the Routing Table: 4
Prefixes being announced from unallocated address space: 550
Number of addresses announced to Internet: 3114017893
Equivalent to 185 /8s, 156 /16s and 36 /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: 348310
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265568
Total APNIC prefixes after maximum aggregation: 76714
APNIC Deaggregation factor: 3.46
Prefixes being announced from the APNIC address blocks: 257280
Unique aggregates announced from the APNIC address blocks: 102923
APNIC Region origin ASes present in the Internet Routing Table: 14602
APNIC Prefixes per ASN: 17.62
APNIC Region origin ASes announcing only one prefix: 4428
APNIC Region transit ASes present in the Internet Routing Table: 1946
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: 10069
Number of APNIC addresses announced to Internet: 751857216
Equivalent to 44 /8s, 208 /16s and 110 /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: 295944
Total ARIN prefixes after maximum aggregation: 129984
ARIN Deaggregation factor: 2.28
Prefixes being announced from the ARIN address blocks: 296421
Unique aggregates announced from the ARIN address blocks: 136490
ARIN Region origin ASes present in the Internet Routing Table: 19240
ARIN Prefixes per ASN: 15.41
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: 5171
Number of ARIN addresses announced to Internet: 1351455744
Equivalent to 80 /8s, 141 /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: 290220
Total RIPE prefixes after maximum aggregation: 134159
RIPE Deaggregation factor: 2.16
Prefixes being announced from the RIPE address blocks: 288047
Unique aggregates announced from the RIPE address blocks: 173395
RIPE Region origin ASes present in the Internet Routing Table: 28915
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12016
RIPE Region transit ASes present in the Internet Routing Table: 3834
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: 12331
Number of RIPE addresses announced to Internet: 732398885
Equivalent to 43 /8s, 167 /16s and 133 /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: 138463
Total LACNIC prefixes after maximum aggregation: 29501
LACNIC Deaggregation factor: 4.69
Prefixes being announced from the LACNIC address blocks: 135370
Unique aggregates announced from the LACNIC address blocks: 48948
LACNIC Region origin ASes present in the Internet Routing Table: 11213
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2170
LACNIC Region transit ASes present in the Internet Routing Table: 2457
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: 9167
Number of LACNIC addresses announced to Internet: 172834560
Equivalent to 10 /8s, 77 /16s and 63 /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: 38987
Total AfriNIC prefixes after maximum aggregation: 6930
AfriNIC Deaggregation factor: 5.63
Prefixes being announced from the AfriNIC address blocks: 52627
Unique aggregates announced from the AfriNIC address blocks: 14945
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 27.42
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 362
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: 105210880
Equivalent to 6 /8s, 69 /16s and 100 /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 10327 8753 90 CHINAMOBILE-CN China Mobile Communication
7545 6211 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 5062 4194 78 ERX-CERNET-BKB China Education and Resear
18403 4396 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4258 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 3283 1869 103 VNPT-AS-VN VNPT Corp, VN
24560 2838 847 536 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 12933 39643 3957 AMAZON-02, US
174 5616 8767 964 COGENT-174, US
11492 4675 310 585 CABLEONE, US
7155 4174 286 83 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3390 3049 182 ASN-CXA-ALL-CCI-22773-RDC, US
749 3259 54879 2506 DNIC-AS-00749, US
16625 3066 1297 2215 AKAMAI-AS, US
396982 2943 3660 456 GOOGLE-CLOUD-PLATFORM, US
30036 2545 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 9697 1290 1266 TTNET, TR
12479 7755 1714 145 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4027 3396 142 AKAMAI-ASN1, NL
9009 3772 323 1944 M247, RO
12389 3006 2303 891 ROSTELECOM-AS, RU
34984 2416 364 575 TELLCOM-AS, TR
212238 2039 146 1505 CDNEXT, GB
8452 1912 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 12108 3259 689 UNINET, MX
10620 3524 487 971 Telmex Colombia S.A., CO
13999 2505 538 370 Mega Cable, S.A. de C.V., MX
11830 1991 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 1195 371 22 Telefonica del Peru S.A.A., PE
28202 1132 52 9 Rede Brasileira de Comunicacao SA, BR
6503 1089 359 174 Axtel, S.A.B. de C.V., MX
11664 1064 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 1572 99 95 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 855 1083 15 MOBINIL, EG
3741 561 661 320 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 12933 39643 3957 AMAZON-02, US
8151 12108 3259 689 UNINET, MX
9808 10327 8753 90 CHINAMOBILE-CN China Mobile Communication
47331 9697 1290 1266 TTNET, TR
12479 7755 1714 145 UNI2-AS, ES
7545 6211 843 658 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5616 8767 964 COGENT-174, US
4538 5062 4194 78 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 12108 11419 UNINET, MX
9808 10327 10237 CHINAMOBILE-CN China Mobile Communications Grou
47331 9697 8431 TTNET, TR
12479 7755 7610 UNI2-AS, ES
7545 6211 5553 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 5616 4652 COGENT-174, US
18403 4396 4371 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
23.138.40.0/22 Origin: 964 IONSWITCH-NW, US
23.138.40.0/22 Transit: 20055 AS-WHOLESAIL, US
23.138.41.0/24 Origin: 964 IONSWITCH-NW, US
23.138.41.0/24 Transit: 20055 AS-WHOLESAIL, 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 /15:2206 /16:14127 /17:8588 /18:14289
/19:25458 /20:46075 /21:54677 /22:115938 /23:110441 /24:632965
/25:593 /26:590 /27:1056 /28:78 /29:106 /30:23
/31:2 /32:792
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8780 9697 TTNET, TR
12479 6693 7755 UNI2-AS, ES
8151 6257 12108 UNINET, MX
11492 3528 4675 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 3121 4174 VIASAT-SP-BACKBONE, US
22773 2526 3390 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2331 12933 AMAZON-02, US
30036 2206 2545 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2385 2:1537 3:591 4:25 5:4876 6:162
7:6 8:1643 9:1 10:1 11:172 12:1378
13:349 14:2546 15:351 16:279 17:363 18:923
20:472 21:4 22:188 23:7380 24:3068 25:2
27:2773 29:19 31:3274 32:53 34:83 35:208
36:2427 37:4747 38:10344 39:900 40:158 41:4778
42:1992 43:2602 44:357 45:20025 46:5094 47:291
49:2009 50:1900 51:590 52:1588 54:301 55:1070
56:9 57:254 58:2308 59:1314 60:1165 61:3097
62:3032 63:1853 64:5548 65:2192 66:4718 67:3073
68:1134 69:3992 70:1130 71:629 72:2945 74:2814
75:1660 76:617 77:2811 78:4232 79:1756 80:2229
81:2182 82:2842 83:1443 84:1834 85:4283 86:1041
87:2438 88:3428 89:4496 90:784 91:8447 92:2806
93:2916 94:3984 95:5476 96:1415 97:326 98:988
99:738 100:71 101:1412 102:4210 103:32612 104:4846
105:2230 106:1000 107:2598 108:1222 109:4176 110:2273
111:3343 112:2062 113:1829 114:1961 115:2208 116:2099
117:2759 118:2898 119:2015 120:1910 121:1439 122:2882
123:2332 124:1685 125:2915 126:87 128:1606 129:1017
130:1314 131:2029 132:899 133:451 134:1533 135:376
136:1295 137:1174 138:3236 139:1632 140:1565 141:1483
142:1873 143:1761 144:1066 145:487 146:2179 147:2097
148:2605 149:2950 150:1254 151:2163 152:2131 153:574
154:8138 155:1639 156:3326 157:1940 158:1280 159:2436
160:3646 161:1983 162:3710 163:1921 164:1759 165:2218
166:1406 167:1913 168:4392 169:821 170:5546 171:1005
172:4461 173:3251 174:913 175:1284 176:3808 177:6160
178:3976 179:2780 180:2656 181:4193 182:3376 183:2076
184:2314 185:21785 186:5741 187:4990 188:4342 189:4544
190:9946 191:2057 192:11217 193:9474 194:7879 195:5680
196:3627 197:3964 198:6253 199:8426 200:8727 201:6575
202:10920 203:10768 204:4561 205:3688 206:4683 207:3590
208:4206 209:5268 210:4885 211:2635 212:4602 213:3867
214:1059 215:42 216:6688 217:3170 218:1385 219:554
220:2107 221:1056 222:850 223:2339
End of report
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