[REN-BGP-stats-all] IPv4 R&E Routing Table Report - WACREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Mar 30 18:05:44 UTC 2023
IPv4 R&E Routing Table Report 18:05 GMT Thu 30 Mar, 2023
IPv4 BGP Table (R&E) as seen at WACREN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/WACREN/
Analysis Summary
----------------
BGP routing table entries examined: 18677
Prefixes after maximum aggregation (per Origin AS): 10438
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 11609
Number of IPv4 prefixes with a valid ROA: 4631
Number of IPv4 prefixes with an invalid ROA: 6
Number of IPv4 prefixes with no ROA: 14040
Total ASes present in the Internet Routing Table: 2758
Prefixes per ASN: 6.77
Origin-only ASes present in the Internet Routing Table: 2383
Origin ASes announcing only one prefix: 1064
Transit ASes present in the Internet Routing Table: 375
Transit-only ASes present in the Internet Routing Table: 64
Paths with bogon ASNs present in the IPv4 Routing Table: 3
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 20
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: 41547
Number of 32-bit ASNs visible in the Routing Table: 650
Prefixes from 32-bit ASNs in the Routing Table: 1810
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: 202187744
Equivalent to 12 /8s, 13 /16s and 35 /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: 2186
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4771
Total APNIC prefixes after maximum aggregation: 2306
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4772
Unique aggregates announced from the APNIC address blocks: 2628
APNIC Region origin ASes present in the Internet Routing Table: 578
APNIC Prefixes per ASN: 8.26
APNIC Region origin ASes announcing only one prefix: 248
APNIC Region transit ASes present in the Internet Routing Table: 61
Average APNIC Region AS path length visible: 4.7
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 226
Number of APNIC addresses announced to Internet: 45886272
Equivalent to 2 /8s, 188 /16s and 43 /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, 131072-151865
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: 7800
Total ARIN prefixes after maximum aggregation: 4494
ARIN Deaggregation factor: 1.74
Prefixes being announced from the ARIN address blocks: 7814
Unique aggregates announced from the ARIN address blocks: 5016
ARIN Region origin ASes present in the Internet Routing Table: 1216
ARIN Prefixes per ASN: 6.43
ARIN Region origin ASes announcing only one prefix: 427
ARIN Region transit ASes present in the Internet Routing Table: 158
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 20
Number of ARIN region 32-bit ASNs visible in the Routing Table: 186
Number of ARIN addresses announced to Internet: 91738496
Equivalent to 5 /8s, 119 /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, 393216-401308
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: 3620
Total RIPE prefixes after maximum aggregation: 2864
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3612
Unique aggregates announced from the RIPE address blocks: 2890
RIPE Region origin ASes present in the Internet Routing Table: 687
RIPE Prefixes per ASN: 5.26
RIPE Region origin ASes announcing only one prefix: 305
RIPE Region transit ASes present in the Internet Routing Table: 103
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 145
Number of RIPE addresses announced to Internet: 57916160
Equivalent to 3 /8s, 115 /16s and 187 /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: 1466
Total LACNIC prefixes after maximum aggregation: 561
LACNIC Deaggregation factor: 2.61
Prefixes being announced from the LACNIC address blocks: 1463
Unique aggregates announced from the LACNIC address blocks: 780
LACNIC Region origin ASes present in the Internet Routing Table: 157
LACNIC Prefixes per ASN: 9.32
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 5.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 64
Number of LACNIC addresses announced to Internet: 4007456
Equivalent to 0 /8s, 61 /16s and 38 /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: 1015
Total AfriNIC prefixes after maximum aggregation: 208
AfriNIC Deaggregation factor: 4.88
Prefixes being announced from the AfriNIC address blocks: 1014
Unique aggregates announced from the AfriNIC address blocks: 293
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 19.13
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 29
Number of AfriNIC addresses announced to Internet: 2638592
Equivalent to 0 /8s, 40 /16s and 67 /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 2158 465 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
1237 192 74 139 KREONET-AS-KR KISTI, KR
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
55824 118 18 11 NKN-CORE-NW NKN Core Network, IN
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart University, T
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
2152 155 507 92 CSUNET-NW, US
18558 139 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, US
2920 109 34 7 LACOE, US
32440 108 34 17 LONI, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 177 24 5 ISU Internet Services Unit ISU, SA
559 113 533 105 SWITCH Peering requests: peering at switch
1103 95 1518 84 SURFNET-NL SURFnet, The Netherlands, NL
2614 93 27 73 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 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/WACREN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 259 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 104 24 47 Red Universitaria Nacional, CL
1251 59 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
4270 45 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
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 381 319 72 TENET-1, ZA
36914 256 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 62 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 601 2158 465 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 381 319 72 TENET-1, ZA
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
1916 259 208 44 Rede Nacional de Ensino e Pesquisa, BR
36914 256 82 3 KENET-AS, KE
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
1237 192 74 139 KREONET-AS-KR KISTI, KR
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
Complete listing at https://bgp.nsrc.org/REN/WACREN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 381 309 TENET-1, ZA
36914 256 253 KENET-AS, KE
1916 259 215 Rede Nacional de Ensino e Pesquisa, BR
5786 199 198 UPRENET, PR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 177 172 ISU Internet Services Unit ISU, SA
18558 139 135 NETBLK-RCOEK, US
4538 192 119 ERX-CERNET-BKB China Education and Research Net
55824 118 107 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/WACREN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
65000 PRIVATE 130.229.0.0/18 2837 SUNET-KI, SE
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
65000 PRIVATE 194.14.96.0/24 2837 SUNET-KI, SE
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/WACREN/data-badAS
Advertised Unallocated Addresses
--------------------------------
Unassigned Network ASN Information AS Name
102.36.194.0/23 Origin: 2018 TENET-1, ZA
102.36.194.0/23 Transit: 396390 INDIANA-UNIVERSITY-NEAAR, US
192.31.196.0/24 Origin: 112 UNASSIGNED
192.31.196.0/24 Transit: 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/WACREN/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
/13:19 /14:35 /15:121 /16:1969 /17:409 /18:435
/19:550 /20:844 /21:839 /22:1473 /23:1540 /24:10179
/25:90 /26:64 /27:95 /28:1 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 243 256 KENET-AS, KE
8895 172 177 ISU Internet Services Unit ISU, SA
32440 80 108 LONI, US
23024 52 113 OCDE, US
1916 38 259 Rede Nacional de Ensino e Pesquisa, BR
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
Complete listing at https://bgp.nsrc.org/REN/WACREN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 8:2 12:1 14:89 23:6
24:3 31:7 35:6 38:9 40:1 41:107
42:15 44:5 45:37 46:5 47:1 49:6
50:1 52:1 58:12 59:21 60:4 61:3
62:11 63:33 64:53 65:1 66:33 67:42
68:8 69:19 70:2 71:1 72:7 74:50
76:42 77:9 78:3 79:10 80:17 81:28
82:7 83:6 84:8 85:42 86:5 87:1
89:10 91:48 92:2 93:4 94:4 95:2
96:5 97:1 98:2 101:8 102:17 103:301
104:81 108:8 109:11 110:2 111:16 114:23
116:6 117:61 118:33 119:21 121:29 122:8
123:8 124:39 125:4 128:86 129:42 130:87
131:58 132:49 133:159 134:99 136:199 137:91
138:9 139:6 140:38 141:1 142:39 143:29
144:23 145:2 146:133 147:54 148:192 149:12
150:130 151:9 152:144 153:14 154:31 155:55
156:68 157:33 158:36 159:115 160:27 161:20
162:20 163:74 164:10 165:51 166:1 167:16
168:124 169:8 170:63 171:1 172:3 173:7
175:31 176:8 177:9 179:10 180:15 181:1
182:1 184:3 185:49 186:3 187:18 188:13
189:3 190:18 191:36 192:1404 193:345 194:146
195:90 196:167 197:159 198:466 199:246 200:272
201:38 202:639 203:430 204:349 205:125 206:183
207:159 208:66 209:113 210:186 211:17 212:170
213:5 216:86 217:10 218:22 219:12 220:16
222:6 223:15
End of report
More information about the ren-bgp-stats-all
mailing list