[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Seattle) (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Jun 7 21:00:37 UTC 2023
IPv4 R&E Routing Table Report 21:00 GMT Wed 07 Jun, 2023
IPv4 BGP Table (R&E) as seen at AARNET (Seattle).
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/AARNET-Seattle/
Analysis Summary
----------------
BGP routing table entries examined: 17610
Prefixes after maximum aggregation (per Origin AS): 9831
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 10968
Number of IPv4 prefixes with a valid ROA: 4452
Number of IPv4 prefixes with an invalid ROA: 7
Number of IPv4 prefixes with no ROA: 13151
Total ASes present in the Internet Routing Table: 2629
Prefixes per ASN: 6.70
Origin-only ASes present in the Internet Routing Table: 2258
Origin ASes announcing only one prefix: 1003
Transit ASes present in the Internet Routing Table: 371
Transit-only ASes present in the Internet Routing Table: 70
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.3
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 3
Number of instances of unregistered ASNs: 3
Number of 32-bit ASNs allocated by the RIRs: 42031
Number of 32-bit ASNs visible in the Routing Table: 590
Prefixes from 32-bit ASNs in the Routing Table: 1707
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: 194823424
Equivalent to 11 /8s, 156 /16s and 197 /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: 2018
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4187
Total APNIC prefixes after maximum aggregation: 1912
APNIC Deaggregation factor: 2.19
Prefixes being announced from the APNIC address blocks: 4189
Unique aggregates announced from the APNIC address blocks: 2192
APNIC Region origin ASes present in the Internet Routing Table: 482
APNIC Prefixes per ASN: 8.69
APNIC Region origin ASes announcing only one prefix: 198
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 4.2
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 173
Number of APNIC addresses announced to Internet: 41448960
Equivalent to 2 /8s, 120 /16s and 118 /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: 7434
Total ARIN prefixes after maximum aggregation: 4345
ARIN Deaggregation factor: 1.71
Prefixes being announced from the ARIN address blocks: 7448
Unique aggregates announced from the ARIN address blocks: 4830
ARIN Region origin ASes present in the Internet Routing Table: 1192
ARIN Prefixes per ASN: 6.25
ARIN Region origin ASes announcing only one prefix: 419
ARIN Region transit ASes present in the Internet Routing Table: 158
Average ARIN Region AS path length visible: 4.0
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 183
Number of ARIN addresses announced to Internet: 89186304
Equivalent to 5 /8s, 80 /16s and 224 /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: 3527
Total RIPE prefixes after maximum aggregation: 2804
RIPE Deaggregation factor: 1.26
Prefixes being announced from the RIPE address blocks: 3515
Unique aggregates announced from the RIPE address blocks: 2869
RIPE Region origin ASes present in the Internet Routing Table: 675
RIPE Prefixes per ASN: 5.21
RIPE Region origin ASes announcing only one prefix: 302
RIPE Region transit ASes present in the Internet Routing Table: 106
Average RIPE Region AS path length visible: 4.7
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 144
Number of RIPE addresses announced to Internet: 57357056
Equivalent to 3 /8s, 107 /16s and 51 /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: 1439
Total LACNIC prefixes after maximum aggregation: 559
LACNIC Deaggregation factor: 2.57
Prefixes being announced from the LACNIC address blocks: 1437
Unique aggregates announced from the LACNIC address blocks: 782
LACNIC Region origin ASes present in the Internet Routing Table: 156
LACNIC Prefixes per ASN: 9.21
LACNIC Region origin ASes announcing only one prefix: 58
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.1
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 62
Number of LACNIC addresses announced to Internet: 4143872
Equivalent to 0 /8s, 63 /16s and 59 /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: 1020
Total AfriNIC prefixes after maximum aggregation: 208
AfriNIC Deaggregation factor: 4.90
Prefixes being announced from the AfriNIC address blocks: 1019
Unique aggregates announced from the AfriNIC address blocks: 293
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 19.60
AfriNIC Region origin ASes announcing only one prefix: 26
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 3.9
Max AfriNIC Region AS path length visible: 15
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2686464
Equivalent to 0 /8s, 40 /16s and 254 /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 595 2154 465 SINET-AS Research Organization of Infor
7497 436 182 24 CSTNET-AS-AP Computer Network Informati
1237 190 74 139 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
4538 130 4192 73 ERX-CERNET-BKB China Education and Rese
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
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
376 202 178 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
2152 136 507 93 CSUNET-NW, US
18558 134 18 4 NETBLK-RCOEK, US
81 129 521 32 NCREN, US
23024 113 7 17 OCDE, US
2920 107 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, US
1736 79 16 1 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 284 1919 250 DFN Verein zur Foerderung eines Deutsch
786 186 1767 183 JANET Jisc Services Limited, GB
8895 138 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/AARNET-Seattle/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 221 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 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 43 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 382 319 72 TENET-1, ZA
36914 256 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 58 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 42 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
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/AARNET-Seattle/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 595 2154 465 SINET-AS Research Organization of Infor
7497 436 182 24 CSTNET-AS-AP Computer Network Informati
2018 382 319 72 TENET-1, ZA
680 284 1919 250 DFN Verein zur Foerderung eines Deutsch
36914 256 82 3 KENET-AS, KE
1916 221 208 43 Rede Nacional de Ensino e Pesquisa, BR
376 202 178 150 RISQ-AS, CA
5786 198 16 1 UPRENET, PR
1237 190 74 139 KREONET-AS-KR KISTI, KR
786 186 1767 183 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 436 412 CSTNET-AS-AP Computer Network Information Cente
2018 382 310 TENET-1, ZA
36914 256 253 KENET-AS, KE
5786 198 197 UPRENET, PR
1916 221 178 Rede Nacional de Ensino e Pesquisa, BR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 138 133 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
55824 119 107 NKN-CORE-NW NKN Core Network, IN
2920 107 100 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, US
394607 UNALLOCATED 216.100.93.0/24 23024 OCDE, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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: 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
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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 /15:120 /16:1873 /17:401 /18:425
/19:538 /20:806 /21:816 /22:1417 /23:1468 /24:9681
/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 244 256 KENET-AS, KE
8895 133 138 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 37 59 LONI, US
327700 36 42 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 31 54 SEAP-AGE, ES
25977 30 44 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/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 35:4 38:9 40:1 41:116
42:10 44:6 45:38 46:5 47:1 49:6
50:1 52:1 58:1 59:19 60:4 61:3
62:11 63:33 64:50 65:1 66:33 67:41
68:8 69:19 70:2 71:1 72:7 74:50
76:40 77:9 78:3 79:10 80:13 81:26
82:7 83:6 84:10 85:41 86:10 87:1
89:10 91:48 92:2 93:4 94:4 95:2
96:5 97:1 98:2 101:6 102:18 103:238
104:81 108:8 109:9 110:2 111:16 114:23
116:6 117:61 118:32 119:21 121:29 122:8
123:8 124:38 125:4 128:55 129:42 130:85
131:51 132:57 133:155 134:99 136:198 137:86
138:1 139:6 140:35 141:1 142:39 143:17
144:23 145:2 146:130 147:54 148:192 149:12
150:127 151:10 152:141 153:14 154:31 155:61
156:63 157:18 158:38 159:115 160:27 161:21
162:20 163:75 164:10 165:51 166:1 167:16
168:123 169:8 170:64 171:1 172:3 173:7
175:31 176:8 177:5 179:12 180:15 181:1
184:11 185:51 186:3 187:17 188:13 189:3
190:18 191:36 192:1279 193:333 194:129 195:99
196:167 197:161 198:448 199:246 200:296 201:38
202:620 203:271 204:340 205:121 206:180 207:165
208:70 209:127 210:184 211:6 212:169 213:5
216:86 217:10 218:22 219:6 220:17 222:5
223:4
End of report
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