[REN-BGP-stats-all] IPv4 R&E Routing Table Report - RouteViews OIX (Global) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sun May 11 22:46:59 UTC 2025
IPv4 R&E Routing Table Report 22:40 GMT Sun 11 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: 1033621
Prefixes after maximum aggregation (per Origin AS): 382013
Deaggregation factor: 2.71
Unique aggregates announced (without unneeded subnets): 479783
Total ASes present in the Internet Routing Table: 76962
Prefixes per ASN: 13.43
Origin-only ASes present in the Internet Routing Table: 66235
Origin ASes announcing only one prefix: 26386
Transit ASes present in the Internet Routing Table: 10727
Transit-only ASes present in the Internet Routing Table: 543
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: 1068
Number of instances of unregistered ASNs: 1071
Number of 32-bit ASNs allocated by the RIRs: 46393
Number of 32-bit ASNs visible in the Routing Table: 38271
Prefixes from 32-bit ASNs in the Routing Table: 213309
Number of bogon 32-bit ASNs visible in the Routing Table: 69
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 468
Number of addresses announced to Internet: 3111403813
Equivalent to 185 /8s, 116 /16s and 65 /24s
Percentage of available address space announced: 84.0
Percentage of allocated address space announced: 84.0
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: 349799
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 265934
Total APNIC prefixes after maximum aggregation: 77500
APNIC Deaggregation factor: 3.43
Prefixes being announced from the APNIC address blocks: 256987
Unique aggregates announced from the APNIC address blocks: 103409
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: 4467
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: 10151
Number of APNIC addresses announced to Internet: 749474880
Equivalent to 44 /8s, 172 /16s and 20 /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: 297346
Total ARIN prefixes after maximum aggregation: 131980
ARIN Deaggregation factor: 2.25
Prefixes being announced from the ARIN address blocks: 298256
Unique aggregates announced from the ARIN address blocks: 138588
ARIN Region origin ASes present in the Internet Routing Table: 19260
ARIN Prefixes per ASN: 15.49
ARIN Region origin ASes announcing only one prefix: 7020
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: 5204
Number of ARIN addresses announced to Internet: 1353269760
Equivalent to 80 /8s, 169 /16s and 66 /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: 290687
Total RIPE prefixes after maximum aggregation: 135292
RIPE Deaggregation factor: 2.15
Prefixes being announced from the RIPE address blocks: 288296
Unique aggregates announced from the RIPE address blocks: 174550
RIPE Region origin ASes present in the Internet Routing Table: 28973
RIPE Prefixes per ASN: 9.95
RIPE Region origin ASes announcing only one prefix: 12020
RIPE Region transit ASes present in the Internet Routing Table: 3875
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: 12440
Number of RIPE addresses announced to Internet: 731217765
Equivalent to 43 /8s, 149 /16s and 127 /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: 139102
Total LACNIC prefixes after maximum aggregation: 29706
LACNIC Deaggregation factor: 4.68
Prefixes being announced from the LACNIC address blocks: 135618
Unique aggregates announced from the LACNIC address blocks: 48945
LACNIC Region origin ASes present in the Internet Routing Table: 11235
LACNIC Prefixes per ASN: 12.07
LACNIC Region origin ASes announcing only one prefix: 2225
LACNIC Region transit ASes present in the Internet Routing Table: 2470
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: 9187
Number of LACNIC addresses announced to Internet: 171844992
Equivalent to 10 /8s, 62 /16s and 37 /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: 39484
Total AfriNIC prefixes after maximum aggregation: 6895
AfriNIC Deaggregation factor: 5.73
Prefixes being announced from the AfriNIC address blocks: 53995
Unique aggregates announced from the AfriNIC address blocks: 13906
AfriNIC Region origin ASes present in the Internet Routing Table: 1919
AfriNIC Prefixes per ASN: 28.14
AfriNIC Region origin ASes announcing only one prefix: 654
AfriNIC Region transit ASes present in the Internet Routing Table: 363
Average AfriNIC Region AS path length visible: 3.5
Max AfriNIC Region AS path length visible: 36
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1289
Number of AfriNIC addresses announced to Internet: 105373440
Equivalent to 6 /8s, 71 /16s and 223 /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 10800 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
18403 4402 347 25 FPT-AS-AP FPT Telecom Company, VN
9498 4371 534 303 BBIL-AP BHARTI Airtel Ltd., IN
7552 3909 1332 26 VIETEL-AS-AP Viettel Group, VN
7713 3696 1044 66 TELKOMNET-AS-AP PT Telekomunikasi Indones
45899 3285 1869 102 VNPT-AS-VN VNPT Corp, VN
24560 2869 852 536 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 13337 40834 4854 AMAZON-02, US
174 5377 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 3359 3048 169 ASN-CXA-ALL-CCI-22773-RDC, US
749 3253 54861 2504 DNIC-AS-00749, US
396982 3164 3852 416 GOOGLE-CLOUD-PLATFORM, US
16625 3155 1323 2267 AKAMAI-AS, US
36352 2788 228 852 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 7697 1714 148 UNI2-AS, ES
39891 4797 293 62 ALJAWWALSTC-AS, SA
20940 4070 3396 140 AKAMAI-ASN1, NL
9009 3825 330 1985 M247, RO
12389 3074 2303 886 ROSTELECOM-AS PJSC Rostelecom. Technical
34984 2411 363 577 TELLCOM-AS, TR
212238 2145 152 1580 CDNEXT, GB
8452 1940 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 682 UNINET, MX
10620 3505 481 1018 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 1189 371 22 Telefonica del Peru S.A.A., PE
28202 1128 52 9 Rede Brasileira de Comunicacao SA, BR
11664 1110 278 33 Techtel LMDS Comunicaciones Interactivas
22884 1056 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 18 LINKdotNET-AS, EG
37457 1639 316 32 Telkom-Internet, ZA
29571 1595 102 33 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 1019 521 42 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 13337 40834 4854 AMAZON-02, US
8151 12370 3265 682 UNINET, MX
9808 10800 8756 98 CHINAMOBILE-CN China Mobile Communication
47331 9752 1296 1077 TTNET, TR
12479 7697 1714 148 UNI2-AS, ES
7545 6162 842 654 TPG-INTERNET-AP TPG Telecom Limited, AU
174 5377 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 11688 UNINET, MX
9808 10800 10702 CHINAMOBILE-CN China Mobile Communications Grou
47331 9752 8675 TTNET, TR
12479 7697 7549 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 5377 4479 COGENT-174, US
18403 4402 4377 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
/13:582 /14:1233 /15:2200 /16:14099 /17:8438 /18:14223
/19:25364 /20:45840 /21:54471 /22:115604 /23:110103 /24:637726
/25:585 /26:587 /27:1054 /28:67 /29:106 /30:20
/31:2 /32:850
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
47331 8831 9752 TTNET, TR
12479 6618 7697 UNI2-AS, ES
8151 6513 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 2507 3359 ASN-CXA-ALL-CCI-22773-RDC, US
16509 2321 13337 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)
----------------------------------------------
1:2382 2:1537 3:713 4:27 5:4987 6:162
7:6 8:1663 9:1 11:172 12:1369 13:385
14:2561 15:355 16:285 17:374 18:920 20:529
21:4 22:188 23:7592 24:2905 25:2 27:2818
29:19 31:3323 32:52 33:1 34:84 35:211
36:2786 37:4759 38:10446 39:910 40:171 41:4748
42:2019 43:2625 44:379 45:20123 46:5127 47:300
49:1952 50:1907 51:591 52:1586 54:304 55:1093
56:11 57:266 58:2300 59:1435 60:1164 61:3025
62:3047 63:1840 64:5529 65:2200 66:4766 67:3128
68:1155 69:4011 70:1106 71:644 72:2955 74:2817
75:1628 76:621 77:2812 78:4353 79:1783 80:2242
81:2240 82:3181 83:1475 84:1874 85:4398 86:1057
87:2430 88:3545 89:4526 90:777 91:8475 92:2699
93:2917 94:4116 95:5569 96:1477 97:326 98:983
99:677 100:72 101:1429 102:4429 103:32552 104:5027
105:2244 106:1034 107:2653 108:1233 109:4139 110:2244
111:3395 112:2082 113:1829 114:1990 115:2262 116:2105
117:2618 118:2907 119:1972 120:1919 121:1439 122:2782
123:2418 124:1687 125:2887 126:91 128:1621 129:1029
130:1340 131:2116 132:897 133:451 134:1547 135:377
136:1312 137:1181 138:3235 139:1640 140:1593 141:1502
142:1945 143:1833 144:1112 145:510 146:2187 147:2099
148:2625 149:2932 150:1227 151:1855 152:2110 153:564
154:8497 155:1707 156:3512 157:1929 158:1310 159:2449
160:3690 161:1906 162:3762 163:2168 164:1754 165:2240
166:1476 167:1939 168:4369 169:819 170:5572 171:1012
172:4435 173:3290 174:912 175:1306 176:3812 177:6150
178:3812 179:2758 180:2691 181:4239 182:3429 183:2088
184:2122 185:21858 186:5836 187:5098 188:4354 189:4664
190:9966 191:2082 192:11288 193:9557 194:7881 195:5654
196:3681 197:3985 198:6240 199:8536 200:8781 201:6699
202:10741 203:10747 204:4575 205:3671 206:4551 207:3598
208:4311 209:5302 210:4940 211:2645 212:4726 213:3833
214:1029 215:48 216:6819 217:3209 218:1402 219:551
220:2092 221:1081 222:849 223:2379
End of report
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