[REN-BGP-stats-all] IPv4 R&E Routing Table Report - Erdemnet (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Mon Feb 17 20:20:52 UTC 2025
IPv4 R&E Routing Table Report 20:20 GMT Mon 17 Feb, 2025
IPv4 BGP Table (R&E) as seen at Erdemnet.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/Erdemnet/
Analysis Summary
----------------
BGP routing table entries examined: 19910
Prefixes after maximum aggregation (per Origin AS): 10837
Deaggregation factor: 1.84
Unique aggregates announced (without unneeded subnets): 12151
Number of IPv4 prefixes with a valid ROA: 7797
Number of IPv4 prefixes with an invalid ROA: 97
Number of IPv4 prefixes with no ROA: 12016
Total ASes present in the Internet Routing Table: 2855
Prefixes per ASN: 6.97
Origin-only ASes present in the Internet Routing Table: 2471
Origin ASes announcing only one prefix: 1111
Transit ASes present in the Internet Routing Table: 384
Transit-only ASes present in the Internet Routing Table: 70
Paths with bogon ASNs present in the IPv4 Routing Table: 4
Average AS path length visible in the Internet Routing Table: 6.9
Max AS path length visible: 26
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 46152
Number of 32-bit ASNs visible in the Routing Table: 694
Prefixes from 32-bit ASNs in the Routing Table: 1842
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 3
Number of addresses announced to Internet: 194430976
Equivalent to 11 /8s, 150 /16s and 200 /24s
Percentage of available address space announced: 5.3
Percentage of allocated address space announced: 5.3
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: 2437
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 5054
Total APNIC prefixes after maximum aggregation: 2379
APNIC Deaggregation factor: 2.12
Prefixes being announced from the APNIC address blocks: 5057
Unique aggregates announced from the APNIC address blocks: 2927
APNIC Region origin ASes present in the Internet Routing Table: 611
APNIC Prefixes per ASN: 8.28
APNIC Region origin ASes announcing only one prefix: 259
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 232
Number of APNIC addresses announced to Internet: 39797248
Equivalent to 2 /8s, 95 /16s and 66 /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: 8647
Total ARIN prefixes after maximum aggregation: 4846
ARIN Deaggregation factor: 1.78
Prefixes being announced from the ARIN address blocks: 8661
Unique aggregates announced from the ARIN address blocks: 5342
ARIN Region origin ASes present in the Internet Routing Table: 1292
ARIN Prefixes per ASN: 6.70
ARIN Region origin ASes announcing only one prefix: 466
ARIN Region transit ASes present in the Internet Routing Table: 161
Average ARIN Region AS path length visible: 7.9
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 212
Number of ARIN addresses announced to Internet: 89869568
Equivalent to 5 /8s, 91 /16s and 77 /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: 3619
Total RIPE prefixes after maximum aggregation: 2892
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3606
Unique aggregates announced from the RIPE address blocks: 2948
RIPE Region origin ASes present in the Internet Routing Table: 668
RIPE Prefixes per ASN: 5.40
RIPE Region origin ASes announcing only one prefix: 298
RIPE Region transit ASes present in the Internet Routing Table: 108
Average RIPE Region AS path length visible: 6.2
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 155
Number of RIPE addresses announced to Internet: 58117632
Equivalent to 3 /8s, 118 /16s and 206 /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: 1477
Total LACNIC prefixes after maximum aggregation: 541
LACNIC Deaggregation factor: 2.73
Prefixes being announced from the LACNIC address blocks: 1475
Unique aggregates announced from the LACNIC address blocks: 707
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 9.34
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 22
Average LACNIC Region AS path length visible: 8.1
Max LACNIC Region AS path length visible: 17
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4202752
Equivalent to 0 /8s, 64 /16s and 33 /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: 1108
Total AfriNIC prefixes after maximum aggregation: 175
AfriNIC Deaggregation factor: 6.33
Prefixes being announced from the AfriNIC address blocks: 1107
Unique aggregates announced from the AfriNIC address blocks: 224
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 20.89
AfriNIC Region origin ASes announcing only one prefix: 31
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 8.0
Max AfriNIC Region AS path length visible: 26
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 31
Number of AfriNIC addresses announced to Internet: 2441216
Equivalent to 0 /8s, 37 /16s and 64 /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
2907 623 2170 464 SINET-AS Research Organization of Informa
7497 451 180 24 CSTNET-AS-AP Computer Network Information
1237 192 74 146 KREONET-AS-KR KISTI, KR
58647 183 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 297 116 AARNET-AS-AP Australian Academic and Rese
55824 147 19 21 NKN-CORE-NW NKN Core Network, IN
4538 140 4192 71 ERX-CERNET-BKB China Education and Resear
17882 135 8 35 UNIVISION-AS-AP UNIVISION LLC, MN
4850 82 0 1 DIGICOM-AS-AP Digicom LLC, MN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, Tha
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 532 507 99 CENIC-2152, US
2920 226 44 49 LACOE, US
668 208 631 176 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
5786 194 16 1 UPRENET, PR
18558 140 18 5 NETBLK-RCOEK, US
81 129 519 34 NCREN, US
23024 97 7 17 OCDE, US
21976 90 34 16 NJEDGE-NET, US
237 85 542 51 MERIT-AS-14, US
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
786 194 1755 184 JANET Jisc Services Limited, GB
559 114 533 104 SWITCH Peering requests: peering at switch.c
8895 110 24 5 ISU Internet Services Unit ISU, SA
1103 98 1743 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 26 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnolog
3267 78 29 68 NIKS, RU
553 75 366 75 BELWUE BelWue-Koordination, DE
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 236 178 42 Rede Nacional de Ensino e Pesquisa, BR
28391 157 10 69 Universidad Juarez Autonoma de Tabasco, M
11340 109 25 52 Red Universitaria Nacional, CL
271640 67 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 53 16 1 Red de Interconexion Universitaria, AR
61468 52 5 17 CEDIA, EC
2715 49 99 35 Fundacao Carlos Chagas Filho de Amparo a
19611 48 17 2 Associacao Antonio Vieira - Unisinos, BR
28614 38 2 2 Fundacao Universidade Regional de Blumena
1251 37 31 26 FUNDACAO DE AMPARO A PESQUISA DO ESTADO S
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 473 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
8094 47 48 18 PUKNET, ZA
37182 36 8 1 TERNET, TZ
37215 34 8 1 MAREN, MW
6879 24 2 9 ENSTINET-, EG
37661 12 8 4 NRaE1-AS, NG
37501 11 49 6 UOFS, ZA
327700 11 16 1 MoRENet, MZ
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 623 2170 464 SINET-AS Research Organization of Informa
2152 532 507 99 CENIC-2152, US
36914 473 82 3 KENET-AS, KE
7497 451 180 24 CSTNET-AS-AP Computer Network Information
2018 380 319 71 TENET-1, ZA
680 284 1899 249 DFN Verein zur Foerderung eines Deutschen
1916 236 178 42 Rede Nacional de Ensino e Pesquisa, BR
2920 226 44 49 LACOE, US
668 208 631 176 DNIC-AS-00668, US
376 202 162 151 RISQ-AS, CA
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 473 470 KENET-AS, KE
2152 532 433 CENIC-2152, US
7497 451 427 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
1916 236 194 Rede Nacional de Ensino e Pesquisa, BR
5786 194 193 UPRENET, PR
58647 183 181 KAGAWAU-AS Kagawa University, JP
2920 226 177 LACOE, US
18558 140 135 NETBLK-RCOEK, US
55824 147 126 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26971 UNALLOCATED 129.111.0.0/16 276 OTS-AS-276, US
65101 PRIVATE 202.21.123.0/24 9484 MOBINET-AS-MN Mobinet L
65512 PRIVATE 202.126.89.0/24 55805 MOBICOM-AS-MN MobiCom C
65512 PRIVATE 202.126.90.0/24 55805 MOBICOM-AS-MN MobiCom C
65512 PRIVATE 202.126.91.0/24 55805 MOBICOM-AS-MN MobiCom C
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
164.160.192.0/21 Origin: 37661 NRaE1-AS, NG
164.160.192.0/21 Transit: 37288 WACREN, SN
202.14.117.0/24 Origin: 17827 STOU-AS-TH Sukhothai Thammathirat Open U
202.14.117.0/24 Transit: 4621 UNINET-AS-AP UNINET-, TH
203.9.156.0/24 Origin: 1851 ADELAIDE-UNIVERSITY-AS-AP The University
203.9.156.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/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 /8:0 /9:1 /10:1 /11:0 /12:10
/13:16 /14:32 /15:111 /16:1962 /17:413 /18:457
/19:575 /20:870 /21:889 /22:1508 /23:1624 /24:11355
/25:0 /26:2 /27:2 /28:4 /29:2 /30:4
/31:1 /32:70
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 460 473 KENET-AS, KE
8895 107 110 ISU Internet Services Unit ISU, SA
4850 81 82 DIGICOM-AS-AP Digicom LLC, MN
2152 62 532 CENIC-2152, US
23024 36 97 OCDE, US
17882 35 135 UNIVISION-AS-AP UNIVISION LLC, MN
37182 35 36 TERNET, TZ
3267 34 78 NIKS, RU
32440 33 58 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
Complete listing at https://bgp.nsrc.org/REN/Erdemnet/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:93
23:10 24:3 27:4 31:1 35:9 36:2
37:8 38:11 40:1 41:194 42:11 43:8
44:4 45:51 46:4 47:1 49:12 50:4
52:1 59:23 60:6 61:3 62:8 63:36
64:49 65:5 66:88 67:41 68:11 69:17
70:2 71:1 72:8 74:55 76:35 77:9
78:3 79:10 80:14 81:25 82:7 83:9
84:8 85:51 86:5 87:1 89:10 91:41
92:2 93:14 94:2 95:2 96:5 97:1
98:2 102:13 103:372 104:80 107:2 108:8
109:5 111:21 112:16 113:1 114:24 116:9
117:61 118:33 119:37 121:27 122:24 123:8
124:43 125:5 128:58 129:39 130:98 131:63
132:64 133:156 134:106 136:194 137:98 138:58
139:9 140:33 141:3 142:41 143:25 144:27
145:2 146:136 147:59 148:199 149:13 150:69
151:11 152:136 153:14 154:45 155:64 156:130
157:28 158:30 159:117 160:34 161:17 162:24
163:66 164:11 165:49 167:26 168:119 169:7
170:103 171:1 172:2 173:6 175:16 177:6
179:9 180:16 181:1 182:11 184:3 185:50
186:3 187:22 188:14 189:3 190:34 191:13
192:1421 193:304 194:139 195:82 196:149 197:336
198:551 199:279 200:333 201:37 202:735 203:450
204:394 205:178 206:215 207:315 208:67 209:171
210:222 211:3 212:146 213:6 214:8 216:94
217:12 218:24 219:6 220:16 222:2 223:15
End of report
More information about the ren-bgp-stats-all
mailing list