[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Jul 12 19:05:38 UTC 2023
IPv4 R&E Routing Table Report 19:05 GMT Wed 12 Jul, 2023
IPv4 BGP Table (R&E) as seen at BDREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/BDREN/
Analysis Summary
----------------
BGP routing table entries examined: 19015
Prefixes after maximum aggregation (per Origin AS): 10507
Deaggregation factor: 1.81
Unique aggregates announced (without unneeded subnets): 11592
Number of IPv4 prefixes with a valid ROA: 5261
Number of IPv4 prefixes with an invalid ROA: 20
Number of IPv4 prefixes with no ROA: 13734
Total ASes present in the Internet Routing Table: 2751
Prefixes per ASN: 6.91
Origin-only ASes present in the Internet Routing Table: 2364
Origin ASes announcing only one prefix: 1043
Transit ASes present in the Internet Routing Table: 387
Transit-only ASes present in the Internet Routing Table: 79
Paths with bogon ASNs present in the IPv4 Routing Table: 3
Average AS path length visible in the Internet Routing Table: 5.2
Max AS path length visible: 12
Max AS path prepend of ASN (136911) 11
Prefixes from unregistered ASNs in the Routing Table: 9
Number of instances of unregistered ASNs: 9
Number of 32-bit ASNs allocated by the RIRs: 42266
Number of 32-bit ASNs visible in the Routing Table: 617
Prefixes from 32-bit ASNs in the Routing Table: 1888
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: 4
Number of addresses announced to Internet: 203902400
Equivalent to 12 /8s, 39 /16s and 77 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
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: 2242
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4799
Total APNIC prefixes after maximum aggregation: 2260
APNIC Deaggregation factor: 2.12
Prefixes being announced from the APNIC address blocks: 4803
Unique aggregates announced from the APNIC address blocks: 2585
APNIC Region origin ASes present in the Internet Routing Table: 541
APNIC Prefixes per ASN: 8.88
APNIC Region origin ASes announcing only one prefix: 225
APNIC Region transit ASes present in the Internet Routing Table: 56
Average APNIC Region AS path length visible: 4.8
Max APNIC Region AS path length visible: 12
Number of APNIC region 32-bit ASNs visible in the Routing Table: 204
Number of APNIC addresses announced to Internet: 45826880
Equivalent to 2 /8s, 187 /16s and 67 /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, 131072-153913
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: 8075
Total ARIN prefixes after maximum aggregation: 4666
ARIN Deaggregation factor: 1.73
Prefixes being announced from the ARIN address blocks: 8091
Unique aggregates announced from the ARIN address blocks: 5154
ARIN Region origin ASes present in the Internet Routing Table: 1246
ARIN Prefixes per ASN: 6.49
ARIN Region origin ASes announcing only one prefix: 439
ARIN Region transit ASes present in the Internet Routing Table: 168
Average ARIN Region AS path length visible: 5.4
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 190
Number of ARIN addresses announced to Internet: 93431008
Equivalent to 5 /8s, 145 /16s and 164 /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, 393216-401308
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, 47/8, 48/8, 50/8, 52/8, 53/8,
54/8, 55/8, 56/8, 57/8, 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: 3613
Total RIPE prefixes after maximum aggregation: 2857
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3601
Unique aggregates announced from the RIPE address blocks: 2881
RIPE Region origin ASes present in the Internet Routing Table: 681
RIPE Prefixes per ASN: 5.29
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 107
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 143
Number of RIPE addresses announced to Internet: 57834752
Equivalent to 3 /8s, 114 /16s and 125 /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
196608-213403
RIPE Address Blocks 2/8, 5/8, 25/8, 31/8, 37/8, 46/8, 51/8,
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: 1472
Total LACNIC prefixes after maximum aggregation: 559
LACNIC Deaggregation factor: 2.63
Prefixes being announced from the LACNIC address blocks: 1470
Unique aggregates announced from the LACNIC address blocks: 760
LACNIC Region origin ASes present in the Internet Routing Table: 163
LACNIC Prefixes per ASN: 9.02
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 25
Average LACNIC Region AS path length visible: 6.0
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 66
Number of LACNIC addresses announced to Internet: 4210592
Equivalent to 0 /8s, 64 /16s and 63 /24s
LACNIC AS Blocks 26592-26623, 27648-28671, 52224-53247,
61440-61951, 64099-64197, 262144-273820 + 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: 1047
Total AfriNIC prefixes after maximum aggregation: 156
AfriNIC Deaggregation factor: 6.71
Prefixes being announced from the AfriNIC address blocks: 1046
Unique aggregates announced from the AfriNIC address blocks: 208
AfriNIC Region origin ASes present in the Internet Routing Table: 37
AfriNIC Prefixes per ASN: 28.27
AfriNIC Region origin ASes announcing only one prefix: 15
AfriNIC Region transit ASes present in the Internet Routing Table: 9
Average AfriNIC Region AS path length visible: 5.5
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 14
Number of AfriNIC addresses announced to Internet: 2594048
Equivalent to 0 /8s, 39 /16s and 149 /24s
AfriNIC AS Blocks 36864-37887, 327680-329727 & ERX transfers
AfriNIC Address Blocks 41/8, 45/8, 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 601 2147 466 SINET-AS Research Organization of Infor
7497 431 180 23 CSTNET-AS-AP Computer Network Informati
1237 193 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 177 329 120 AARNET-AS-AP Australian Academic and Re
4758 167 16 2 NICNET-VSNL-BOARDER-AP National Informa
55824 143 19 32 NKN-CORE-NW NKN Core Network, IN
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2152 274 507 94 CSUNET-NW, US
668 217 636 180 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
18558 134 18 4 NETBLK-RCOEK, US
81 128 521 31 NCREN, US
23024 113 7 17 OCDE, US
2920 109 34 7 LACOE, US
32440 108 35 18 LONI, US
21976 85 51 18 NJEDGE-NET, US
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 163 24 5 ISU Internet Services Unit ISU, SA
559 112 533 104 SWITCH Peering requests: peering at switch
1103 94 1502 83 SURFNET-NL SURFnet, The Netherlands, NL
2614 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 74 465 74 BELWUE BelWue-Koordination, DE
1930 65 81 60 RCCN Fundacao para a Ciencia e a Tecnol
2200 64 599 59 FR-RENATER Reseau National de telecommu
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 258 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 47 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
1251 56 36 15 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
4270 48 16 1 Red de Interconexion Universitaria, AR
61468 42 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
3596 35 4 3 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 362 319 72 TENET-1, ZA
36914 258 82 3 KENET-AS, KE
327687 166 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 39 16 1 MoRENet, MZ
37215 37 8 1 MAREN, MW
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 601 2147 466 SINET-AS Research Organization of Infor
7497 431 180 23 CSTNET-AS-AP Computer Network Informati
2018 362 319 72 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
2152 274 507 94 CSUNET-NW, US
1916 258 176 42 Rede Nacional de Ensino e Pesquisa, BR
36914 258 82 3 KENET-AS, KE
668 217 636 180 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 431 408 CSTNET-AS-AP Computer Network Information Cente
2018 362 290 TENET-1, ZA
36914 258 255 KENET-AS, KE
1916 258 216 Rede Nacional de Ensino e Pesquisa, BR
5786 198 197 UPRENET, PR
2152 274 180 CSUNET-NW, US
58647 178 176 KAGAWAU-AS Kagawa University, JP
4758 167 165 NICNET-VSNL-BOARDER-AP National Informatics Cen
327687 166 163 RENU, UG
8895 163 158 ISU Internet Services Unit ISU, SA
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
65200 PRIVATE 43.224.124.0/22 132124 ICTA-LK Information and Comm
29867 UNALLOCATED 64.202.80.0/20 22742 CT-EDU-NET, US
65200 PRIVATE 103.11.32.0/22 132124 ICTA-LK Information and Comm
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
29867 UNALLOCATED 192.160.243.0/24 22742 CT-EDU-NET, US
29867 UNALLOCATED 192.160.244.0/24 22742 CT-EDU-NET, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
65200 PRIVATE 220.247.225.0/24 132124 ICTA-LK Information and Comm
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
64.202.80.0/20 Origin: 29867 UNASSIGNED
64.202.80.0/20 Transit: 22742 CT-EDU-NET, US
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 11537 INTERNET2-RESEARCH-EDU, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
202.58.231.0/24 Origin: 134096 EHEALTHNSW-AS-AP eHealth NSW, AU
202.58.231.0/24 Transit: 7575 AARNET-AS-AP Australian Academic and Res
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-add-IANA
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:1 /10:2 /11:1 /12:10
/13:18 /14:33 /15:122 /16:1987 /17:423 /18:436
/19:577 /20:875 /21:869 /22:1493 /23:1580 /24:10357
/25:89 /26:64 /27:75 /28:3 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 246 258 KENET-AS, KE
8895 158 163 ISU Internet Services Unit ISU, SA
32440 79 108 LONI, US
23024 52 113 OCDE, US
1916 39 258 Rede Nacional de Ensino e Pesquisa, BR
327700 34 39 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
2152 31 274 CSUNET-NW, US
Complete listing at https://bgp.nsrc.org/REN/BDREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:1 5:15 6:4 8:2 12:1 14:89
23:7 24:3 31:7 35:2 38:9 40:1
41:143 42:10 44:6 45:37 46:5 47:1
49:9 50:3 52:1 58:1 59:19 60:4
61:3 62:10 63:37 64:53 65:1 66:48
67:43 68:8 69:19 70:2 71:1 72:7
74:50 76:41 77:9 78:3 79:10 80:9
81:26 82:7 83:6 84:7 85:41 86:10
87:1 89:10 91:48 92:2 93:4 94:4
95:2 97:2 98:2 101:2 102:28 103:264
104:80 108:10 109:9 111:16 114:23 116:6
117:61 118:32 119:18 121:28 122:8 123:8
124:37 125:4 128:87 129:40 130:89 131:55
132:62 133:155 134:104 136:198 137:134 138:9
139:5 140:52 141:1 142:39 143:21 144:26
145:2 146:130 147:59 148:193 149:12 150:43
151:11 152:136 153:14 154:31 155:63 156:67
157:23 158:36 159:115 160:27 161:24 162:26
163:80 164:160 165:46 166:1 167:13 168:115
169:8 170:67 171:1 172:3 173:7 175:27
176:8 177:5 179:12 180:15 181:1 182:1
184:3 185:54 186:3 187:17 188:13 189:3
190:18 191:13 192:1357 193:296 194:141 195:88
196:203 197:163 198:514 199:283 200:297 201:38
202:618 203:426 204:361 205:137 206:186 207:191
208:71 209:139 210:182 211:3 212:168 213:5
214:8 216:87 217:11 218:22 219:6 220:17
222:2 223:14
End of report
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