[REN-BGP-stats-all] IPv4 R&E Routing Table Report - BDREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Aug 3 19:05:40 UTC 2023
IPv4 R&E Routing Table Report 19:05 GMT Thu 03 Aug, 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: 18802
Prefixes after maximum aggregation (per Origin AS): 10522
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 11610
Number of IPv4 prefixes with a valid ROA: 5258
Number of IPv4 prefixes with an invalid ROA: 18
Number of IPv4 prefixes with no ROA: 13526
Total ASes present in the Internet Routing Table: 2754
Prefixes per ASN: 6.83
Origin-only ASes present in the Internet Routing Table: 2369
Origin ASes announcing only one prefix: 1050
Transit ASes present in the Internet Routing Table: 385
Transit-only ASes present in the Internet Routing Table: 77
Paths with bogon ASNs present in the IPv4 Routing Table: 6
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: 6
Number of instances of unregistered ASNs: 6
Number of 32-bit ASNs allocated by the RIRs: 42366
Number of 32-bit ASNs visible in the Routing Table: 623
Prefixes from 32-bit ASNs in the Routing Table: 1905
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: 2
Number of addresses announced to Internet: 203960576
Equivalent to 12 /8s, 40 /16s and 49 /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: 2049
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4814
Total APNIC prefixes after maximum aggregation: 2287
APNIC Deaggregation factor: 2.10
Prefixes being announced from the APNIC address blocks: 4818
Unique aggregates announced from the APNIC address blocks: 2600
APNIC Region origin ASes present in the Internet Routing Table: 545
APNIC Prefixes per ASN: 8.84
APNIC Region origin ASes announcing only one prefix: 224
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: 208
Number of APNIC addresses announced to Internet: 45835008
Equivalent to 2 /8s, 187 /16s and 99 /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: 7969
Total ARIN prefixes after maximum aggregation: 4657
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 7982
Unique aggregates announced from the ARIN address blocks: 5142
ARIN Region origin ASes present in the Internet Routing Table: 1250
ARIN Prefixes per ASN: 6.39
ARIN Region origin ASes announcing only one prefix: 448
ARIN Region transit ASes present in the Internet Routing Table: 165
Average ARIN Region AS path length visible: 5.5
Max ARIN Region AS path length visible: 11
Number of ARIN region 32-bit ASNs visible in the Routing Table: 193
Number of ARIN addresses announced to Internet: 93458176
Equivalent to 5 /8s, 146 /16s and 15 /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: 3570
Total RIPE prefixes after maximum aggregation: 2847
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3558
Unique aggregates announced from the RIPE address blocks: 2875
RIPE Region origin ASes present in the Internet Routing Table: 677
RIPE Prefixes per ASN: 5.26
RIPE Region origin ASes announcing only one prefix: 300
RIPE Region transit ASes present in the Internet Routing Table: 106
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: 141
Number of RIPE addresses announced to Internet: 57834240
Equivalent to 3 /8s, 114 /16s and 123 /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: 1421
Total LACNIC prefixes after maximum aggregation: 569
LACNIC Deaggregation factor: 2.50
Prefixes being announced from the LACNIC address blocks: 1420
Unique aggregates announced from the LACNIC address blocks: 782
LACNIC Region origin ASes present in the Internet Routing Table: 165
LACNIC Prefixes per ASN: 8.61
LACNIC Region origin ASes announcing only one prefix: 64
LACNIC Region transit ASes present in the Internet Routing Table: 26
Average LACNIC Region AS path length visible: 6.1
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4238336
Equivalent to 0 /8s, 64 /16s and 172 /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: 1022
Total AfriNIC prefixes after maximum aggregation: 156
AfriNIC Deaggregation factor: 6.55
Prefixes being announced from the AfriNIC address blocks: 1022
Unique aggregates announced from the AfriNIC address blocks: 209
AfriNIC Region origin ASes present in the Internet Routing Table: 37
AfriNIC Prefixes per ASN: 27.62
AfriNIC Region origin ASes announcing only one prefix: 14
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: 2594304
Equivalent to 0 /8s, 39 /16s and 150 /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 596 2147 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
1237 191 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 166 16 1 NICNET-VSNL-BOARDER-AP National Informa
55824 146 20 34 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
668 204 652 173 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 197 16 1 UPRENET, PR
18558 136 18 4 NETBLK-RCOEK, US
81 128 521 31 NCREN, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
21976 82 51 18 NJEDGE-NET, US
1736 79 16 1 MU-AS, 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 136 24 5 ISU Internet Services Unit ISU, SA
559 111 533 103 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 221 176 42 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 48 Red Universitaria Nacional, CL
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 48 16 1 Red de Interconexion Universitaria, AR
61468 43 3 14 CEDIA, EC
271640 39 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
3596 34 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 368 319 71 TENET-1, ZA
36914 261 82 3 KENET-AS, KE
327687 165 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 38 16 1 MoRENet, MZ
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
36982 8 33 8 UCT, ZA
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 596 2147 465 SINET-AS Research Organization of Infor
7497 435 180 23 CSTNET-AS-AP Computer Network Informati
2018 368 319 71 TENET-1, ZA
680 283 1903 249 DFN Verein zur Foerderung eines Deutsch
2152 274 507 94 CSUNET-NW, US
36914 261 82 3 KENET-AS, KE
1916 221 176 42 Rede Nacional de Ensino e Pesquisa, BR
668 204 652 173 DNIC-AS-00668, US
376 202 178 150 RISQ-AS, CA
5786 197 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 435 412 CSTNET-AS-AP Computer Network Information Cente
2018 368 297 TENET-1, ZA
36914 261 258 KENET-AS, KE
5786 197 196 UPRENET, PR
2152 274 180 CSUNET-NW, US
1916 221 179 Rede Nacional de Ensino e Pesquisa, BR
58647 178 176 KAGAWAU-AS Kagawa University, JP
4758 166 165 NICNET-VSNL-BOARDER-AP National Informatics Cen
327687 165 162 RENU, UG
18558 136 132 NETBLK-RCOEK, US
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
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
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
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 /16:1991 /17:421 /18:433
/19:577 /20:880 /21:861 /22:1499 /23:1576 /24:10377
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 249 261 KENET-AS, KE
8895 131 136 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
327700 32 38 MoRENet, MZ
200521 31 54 SEAP-AGE, ES
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, 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
41:114 42:10 44:6 45:38 46:5 47:1
49:6 50:3 52:1 59:19 60:4 61:3
62:10 63:37 64:52 65:1 66:50 67:43
68:8 69:19 70:2 71:1 72:7 74:50
76:41 77:9 78:3 79:10 80:13 81:26
82:7 83:6 84:7 85:40 86:10 87:1
89:10 91:49 92:2 93:4 94:4 95:2
96:5 97:2 98:2 101:2 102:28 103:281
104:80 108:10 109:9 111:16 114:23 116:6
117:61 118:32 119:18 121:28 122:8 123:8
124:39 125:4 128:87 129:43 130:87 131:55
132:60 133:155 134:105 136:197 137:133 138:10
139:5 140:40 141:1 142:38 143:21 144:26
145:2 146:130 147:59 148:193 149:12 150:43
151:11 152:137 153:14 154:31 155:63 156:67
157:23 158:36 159:115 160:29 161:25 162:26
163:82 164:161 165:46 166:1 167:13 168:123
169:8 170:74 171:1 172:3 173:6 175:27
176:8 177:5 179:12 180:15 181:1 182:1
184:3 185:54 186:3 187:17 188:13 189:3
190:19 191:13 192:1356 193:299 194:140 195:87
196:202 197:165 198:515 199:281 200:295 201:38
202:622 203:420 204:364 205:137 206:190 207:191
208:67 209:138 210:190 211:14 212:167 213:5
214:8 216:86 217:11 218:22 219:6 220:17
222:2 223:14
End of report
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