[REN-BGP-stats-all] IPv4 R&E Routing Table Report - WACREN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Feb 14 18:05:40 UTC 2023
IPv4 R&E Routing Table Report 18:05 GMT Tue 14 Feb, 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: 18303
Prefixes after maximum aggregation (per Origin AS): 10406
Deaggregation factor: 1.76
Unique aggregates announced (without unneeded subnets): 11543
Number of IPv4 prefixes with a valid ROA: 4328
Number of IPv4 prefixes with an invalid ROA: 69
Number of IPv4 prefixes with no ROA: 13906
Total ASes present in the Internet Routing Table: 2751
Prefixes per ASN: 6.65
Origin-only ASes present in the Internet Routing Table: 2382
Origin ASes announcing only one prefix: 1050
Transit ASes present in the Internet Routing Table: 369
Transit-only ASes present in the Internet Routing Table: 64
Paths with bogon ASNs present in the IPv4 Routing Table: 4
Average AS path length visible in the Internet Routing Table: 4.8
Max AS path length visible: 20
Max AS path prepend of ASN (395156) 12
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: 41188
Number of 32-bit ASNs visible in the Routing Table: 638
Prefixes from 32-bit ASNs in the Routing Table: 1790
Number of bogon 32-bit ASNs visible in the Routing Table: 1
Special use prefixes present in the Routing Table: 0
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 202249920
Equivalent to 12 /8s, 14 /16s and 22 /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: 2025
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4778
Total APNIC prefixes after maximum aggregation: 2303
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4779
Unique aggregates announced from the APNIC address blocks: 2635
APNIC Region origin ASes present in the Internet Routing Table: 581
APNIC Prefixes per ASN: 8.23
APNIC Region origin ASes announcing only one prefix: 245
APNIC Region transit ASes present in the Internet Routing Table: 62
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: 225
Number of APNIC addresses announced to Internet: 45899840
Equivalent to 2 /8s, 188 /16s and 96 /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: 7733
Total ARIN prefixes after maximum aggregation: 4501
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 7751
Unique aggregates announced from the ARIN address blocks: 5036
ARIN Region origin ASes present in the Internet Routing Table: 1213
ARIN Prefixes per ASN: 6.39
ARIN Region origin ASes announcing only one prefix: 425
ARIN Region transit ASes present in the Internet Routing Table: 155
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: 91720192
Equivalent to 5 /8s, 119 /16s and 138 /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: 3622
Total RIPE prefixes after maximum aggregation: 2869
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3614
Unique aggregates announced from the RIPE address blocks: 2894
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: 306
RIPE Region transit ASes present in the Internet Routing Table: 102
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: 143
Number of RIPE addresses announced to Internet: 57920768
Equivalent to 3 /8s, 115 /16s and 205 /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: 1388
Total LACNIC prefixes after maximum aggregation: 563
LACNIC Deaggregation factor: 2.47
Prefixes being announced from the LACNIC address blocks: 1384
Unique aggregates announced from the LACNIC address blocks: 778
LACNIC Region origin ASes present in the Internet Routing Table: 151
LACNIC Prefixes per ASN: 9.17
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 60
Number of LACNIC addresses announced to Internet: 4042880
Equivalent to 0 /8s, 61 /16s and 176 /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: 773
Total AfriNIC prefixes after maximum aggregation: 161
AfriNIC Deaggregation factor: 4.80
Prefixes being announced from the AfriNIC address blocks: 773
Unique aggregates announced from the AfriNIC address blocks: 198
AfriNIC Region origin ASes present in the Internet Routing Table: 48
AfriNIC Prefixes per ASN: 16.10
AfriNIC Region origin ASes announcing only one prefix: 22
AfriNIC Region transit ASes present in the Internet Routing Table: 10
Average AfriNIC Region AS path length visible: 3.3
Max AfriNIC Region AS path length visible: 8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2665472
Equivalent to 0 /8s, 40 /16s and 172 /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 591 2157 463 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
4538 191 4190 72 ERX-CERNET-BKB China Education and Rese
1237 188 74 134 KREONET-AS-KR KISTI, KR
58647 177 18 2 KAGAWAU-AS Kagawa University, JP
7575 173 329 119 AARNET-AS-AP Australian Academic and Re
55824 119 18 12 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
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 154 507 93 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
270 120 329 85 AS270, US
23024 113 7 17 OCDE, US
2920 109 34 7 LACOE, US
32440 94 18 16 LONI, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 87 51 18 NJEDGE-NET, 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
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 176 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 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 180 208 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
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
1251 53 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
61468 46 3 14 CEDIA, EC
4270 45 16 1 Red de Interconexion Universitaria, AR
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
28571 37 40 18 UNIVERSIDADE DE SAO PAULO, BR
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
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 375 319 72 TENET-1, ZA
36914 98 82 3 KENET-AS, KE
8094 48 48 15 PUKNET, ZA
327687 44 28 3 RENU, UG
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
37182 31 8 1 TERNET, TZ
37074 13 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 10 1 6 RwEdNet-AS, RW
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 591 2157 463 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 375 319 72 TENET-1, ZA
680 281 1919 249 DFN Verein zur Foerderung eines Deutsch
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
4538 191 4190 72 ERX-CERNET-BKB China Education and Rese
1237 188 74 134 KREONET-AS-KR KISTI, KR
786 186 1775 183 JANET Jisc Services Limited, GB
1916 180 208 44 Rede Nacional de Ensino e Pesquisa, BR
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 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 375 303 TENET-1, ZA
5786 199 198 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
8895 176 172 ISU Internet Services Unit ISU, SA
1916 180 136 Rede Nacional de Ensino e Pesquisa, BR
18558 134 130 NETBLK-RCOEK, US
4538 191 119 ERX-CERNET-BKB China Education and Research Net
55824 119 107 NKN-CORE-NW NKN Core Network, IN
2920 109 102 LACOE, US
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
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
65000 PRIVATE 194.14.96.0/24 2837 SUNET-KI, SE
65591 UNALLOCATED 196.21.92.0/22 2018 TENET-1, ZA
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
395514 UNALLOCATED 205.213.88.0/24 2381 WISCNET1-AS, US
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 /16:1968 /17:412 /18:435
/19:560 /20:851 /21:842 /22:1463 /23:1530 /24:9818
/25:86 /26:58 /27:90 /28:1 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
8895 171 176 ISU Internet Services Unit ISU, SA
36914 87 98 KENET-AS, KE
32440 79 94 LONI, US
23024 52 113 OCDE, US
46115 32 35 LUTHER, US
200521 31 54 SEAP-AGE, ES
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
37182 30 31 TERNET, TZ
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 41:139
42:15 44:5 45:33 46:5 47:1 49:7
50:1 52:1 58:12 59:21 60:4 61:3
62:11 63:33 64:57 65:1 66:32 67:42
68:8 69:21 70:2 71:1 72:7 74:50
76:39 77:9 78:3 79:10 80:17 81:28
82:6 83:6 84:7 85:42 86:5 87:1
89:10 91:47 92:2 93:4 94:4 95:2
96:5 97:1 98:2 101:8 102:12 103:313
104:77 108:8 109:11 110:2 111:16 114:23
116:6 117:61 118:33 119:21 121:29 122:8
123:8 124:39 125:4 128:86 129:40 130:87
131:62 132:63 133:149 134:98 136:199 137:79
138:9 139:6 140:42 141:1 142:39 143:30
144:23 145:2 146:133 147:56 148:192 149:12
150:130 151:7 152:72 153:14 154:29 155:55
156:68 157:29 158:36 159:114 160:27 161:19
162:20 163:74 164:10 165:51 166:1 167:12
168:124 169:10 170:59 171:1 172:3 173:7
175:31 176:8 177:8 179:9 180:17 181:1
182:1 184:3 185:47 186:3 187:19 188:13
189:3 190:15 191:36 192:1422 193:303 194:148
195:43 196:162 197:3 198:470 199:250 200:217
201:35 202:630 203:426 204:342 205:126 206:183
207:162 208:65 209:112 210:186 211:18 212:169
213:5 216:88 217:11 218:22 219:12 220:17
222:6 223:9
End of report
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