[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri May 9 22:47:00 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Fri 09 May, 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: 1033345
Prefixes after maximum aggregation (per Origin AS): 381842
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479851
Total ASes present in the Internet Routing Table: 76980
Prefixes per ASN: 13.42
Origin-only ASes present in the Internet Routing Table: 66257
Origin ASes announcing only one prefix: 26376
Transit ASes present in the Internet Routing Table: 10723
Transit-only ASes present in the Internet Routing Table: 547
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.1
Max AS path length visible: 52
Max AS path prepend of ASN (265020) 50
Prefixes from unregistered ASNs in the Routing Table: 1069
Number of instances of unregistered ASNs: 1072
Number of 32-bit ASNs allocated by the RIRs: 46373
Number of 32-bit ASNs visible in the Routing Table: 38281
Prefixes from 32-bit ASNs in the Routing Table: 213378
Number of bogon 32-bit ASNs visible in the Routing Table: 71
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 473
Number of addresses announced to Internet: 3111999525
Equivalent to 185 /8s, 125 /16s and 88 /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: 349793
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265762
Total APNIC prefixes after maximum aggregation: 77495
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256899
Unique aggregates announced from the APNIC address blocks: 103344
APNIC Region origin ASes present in the Internet Routing Table: 14658
APNIC Prefixes per ASN: 17.53
APNIC Region origin ASes announcing only one prefix: 4463
APNIC Region transit ASes present in the Internet Routing Table: 1937
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: 10149
Number of APNIC addresses announced to Internet: 749401920
Equivalent to 44 /8s, 170 /16s and 247 /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: 297168
Total ARIN prefixes after maximum aggregation: 131831
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298066
Unique aggregates announced from the ARIN address blocks: 138581
ARIN Region origin ASes present in the Internet Routing Table: 19265
ARIN Prefixes per ASN: 15.47
ARIN Region origin ASes announcing only one prefix: 7027
ARIN Region transit ASes present in the Internet Routing Table: 1916
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: 5207
Number of ARIN addresses announced to Internet: 1353371904
Equivalent to 80 /8s, 170 /16s and 209 /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: 290918
Total RIPE prefixes after maximum aggregation: 135284
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288546
Unique aggregates announced from the RIPE address blocks: 174560
RIPE Region origin ASes present in the Internet Routing Table: 28972
RIPE Prefixes per ASN: 9.96
RIPE Region origin ASes announcing only one prefix: 12014
RIPE Region transit ASes present in the Internet Routing Table: 3870
Average RIPE Region AS path length visible: 3.0
Max RIPE Region AS path length visible: 22
Number of RIPE region 32-bit ASNs visible in the Routing Table: 12442
Number of RIPE addresses announced to Internet: 731740261
Equivalent to 43 /8s, 157 /16s and 120 /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: 138857
Total LACNIC prefixes after maximum aggregation: 29689
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135374
Unique aggregates announced from the LACNIC address blocks: 49014
LACNIC Region origin ASes present in the Internet Routing Table: 11238
LACNIC Prefixes per ASN: 12.05
LACNIC Region origin ASes announcing only one prefix: 2221
LACNIC Region transit ASes present in the Internet Routing Table: 2471
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: 9193
Number of LACNIC addresses announced to Internet: 171879040
Equivalent to 10 /8s, 62 /16s and 170 /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: 39571
Total AfriNIC prefixes after maximum aggregation: 6902
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 53986
Unique aggregates announced from the AfriNIC address blocks: 13964
AfriNIC Region origin ASes present in the Internet Routing Table: 1921
AfriNIC Prefixes per ASN: 28.10
AfriNIC Region origin ASes announcing only one prefix: 651
AfriNIC Region transit ASes present in the Internet Routing Table: 364
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: 1290
Number of AfriNIC addresses announced to Internet: 105380864
Equivalent to 6 /8s, 71 /16s and 252 /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 10799 8756 98 CHINAMOBILE-CN China Mobile Communication
7545 6162 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
9498 4368 534 301 BBIL-AP BHARTI Airtel Ltd., IN
18403 4346 347 25 FPT-AS-AP FPT Telecom Company, VN
7552 3909 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3694 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3285 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2867 852 535 AIRTELBROADBAND-AS-AP Bharti Airtel Ltd.,
45090 2208 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 13347 40824 4742 AMAZON-02, US
174 5384 8750 898 COGENT-174, US
11492 4726 313 592 CABLEONE, US
7155 3859 286 85 VIASAT-SP-BACKBONE, US
6327 3622 1320 81 SHAW, CA
22773 3361 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3165 3852 417 GOOGLE-CLOUD-PLATFORM, US
16625 3157 1323 2268 AKAMAI-AS, US
36352 2776 227 851 AS-COLOCROSSING, 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 9752 1296 1077 TTNET, TR
12479 7695 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4073 3396 140 AKAMAI-ASN1, NL
9009 3831 331 1990 M247, RO
12389 3074 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2138 151 1579 CDNEXT, GB
8452 1943 1852 14 TE-AS TE-AS, EG
13188 1606 100 34 TRIOLAN, UA
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 12370 3265 683 UNINET, MX
10620 3533 486 993 Telmex Colombia S.A., CO
13999 2513 540 362 Mega Cable, S.A. de C.V., MX
11830 1996 369 64 Instituto Costarricense de Electricidad y
28573 1601 2438 262 Claro NXT Telecomunicacoes Ltda, BR
3816 1338 785 210 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC,
6147 1191 371 22 Telefonica del Peru S.A.A., PE
28202 1128 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1108 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1055 70 380 TOTAL PLAY TELECOMUNICACIONES SA DE CV, M
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 1744 631 30 RAYA-AS, EG
24863 1650 389 16 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1596 103 34 ORANGE-COTE-IVOIRE, CI
36992 1434 1518 283 ETISALAT-MISR, EG
20011 1295 204 345 INTERNET-SOLUTIONS, ZA
36903 1249 554 96 MT-MPLS, MA
36935 1036 523 45 Vodafone-, EG
37069 932 1099 15 MOBINIL, EG
3741 560 661 319 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 13347 40824 4742 AMAZON-02, US
8151 12370 3265 683 UNINET, MX
9808 10799 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7695 1714 148 UNI2-AS, ES
7545 6162 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5384 8750 898 COGENT-174, US
4538 4859 4193 77 ERX-CERNET-BKB China Education and Resear
39891 4797 293 62 ALJAWWALSTC-AS, SA
11492 4726 313 592 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 12370 11687 UNINET, MX
9808 10799 10701 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7695 7547 UNI2-AS, ES
7545 6162 5508 TPG-INTERNET-AP TPG Telecom Limited, AU
4538 4859 4782 ERX-CERNET-BKB China Education and Research Net
39891 4797 4735 ALJAWWALSTC-AS, SA
174 5384 4486 COGENT-174, US
18403 4346 4321 FPT-AS-AP FPT Telecom Company, VN
11492 4726 4134 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
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
46639 UNALLOCATED 8.38.73.0/24 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
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 /10:41 /11:93 /12:300
/13:583 /14:1233 /15:2201 /16:14101 /17:8445 /18:14219
/19:25363 /20:45838 /21:54483 /22:115600 /23:110034 /24:637505
/25:586 /26:590 /27:1055 /28:67 /29:106 /30:20
/31:2 /32:847
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6616 7695 UNI2-AS, ES
8151 6512 12370 UNINET, MX
11492 3533 4726 CABLEONE, US
39891 3489 4797 ALJAWWALSTC-AS, SA
6327 3417 3622 SHAW, CA
7155 2818 3859 VIASAT-SP-BACKBONE, US
22773 2509 3361 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2325 13347 AMAZON-02, US
30036 2219 2559 MEDIACOM-ENTERPRISE-BUSINESS, US
Complete listing at https://bgp.nsrc.org/REN/OIX/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2381 2:1535 3:702 4:26 5:4999 6:162
7:6 8:1663 9:1 11:172 12:1370 13:382
14:2545 15:355 16:283 17:374 18:921 20:529
21:4 22:188 23:7584 24:2909 25:2 27:2819
29:19 31:3329 32:52 33:1 34:84 35:211
36:2785 37:4761 38:10453 39:910 40:171 41:4770
42:1986 43:2621 44:378 45:20135 46:5123 47:298
49:1952 50:1908 51:591 52:1591 54:308 55:1095
56:11 57:267 58:2300 59:1434 60:1164 61:3025
62:3050 63:1840 64:5531 65:2189 66:4764 67:3129
68:1155 69:4010 70:1106 71:645 72:2952 74:2817
75:1628 76:621 77:2843 78:4349 79:1783 80:2240
81:2241 82:3208 83:1475 84:1873 85:4413 86:1058
87:2428 88:3547 89:4537 90:776 91:8474 92:2735
93:2916 94:4109 95:5602 96:1477 97:326 98:983
99:675 100:72 101:1429 102:4436 103:32551 104:4854
105:2249 106:1034 107:2638 108:1234 109:4145 110:2241
111:3391 112:2080 113:1827 114:1990 115:2260 116:2105
117:2618 118:2902 119:1972 120:1923 121:1439 122:2784
123:2416 124:1688 125:2887 126:91 128:1617 129:1029
130:1336 131:2102 132:890 133:451 134:1546 135:377
136:1313 137:1184 138:3235 139:1645 140:1593 141:1511
142:1946 143:1830 144:1111 145:509 146:2187 147:2103
148:2644 149:2947 150:1257 151:1853 152:2110 153:564
154:8505 155:1706 156:3416 157:1933 158:1314 159:2450
160:3689 161:1906 162:3759 163:2163 164:1761 165:2239
166:1478 167:1939 168:4368 169:821 170:5555 171:1012
172:4431 173:3291 174:912 175:1303 176:3812 177:6144
178:3814 179:2748 180:2690 181:4247 182:3426 183:2086
184:2123 185:21871 186:5812 187:5094 188:4351 189:4670
190:9976 191:2076 192:11291 193:9552 194:7890 195:5701
196:3681 197:4005 198:6252 199:8543 200:8774 201:6566
202:10748 203:10744 204:4573 205:3654 206:4552 207:3596
208:4305 209:5298 210:4939 211:2642 212:4715 213:3835
214:1031 215:48 216:6819 217:3210 218:1402 219:551
220:2092 221:1081 222:849 223:2379
End of report
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