[REN-BGP-stats-all] IPv4 R&E Routing Table Report - AARNET (Seattle) (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Tue Mar 21 21:00:37 UTC 2023
IPv4 R&E Routing Table Report 21:00 GMT Tue 21 Mar, 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: 17426
Prefixes after maximum aggregation (per Origin AS): 9759
Deaggregation factor: 1.79
Unique aggregates announced (without unneeded subnets): 10893
Number of IPv4 prefixes with a valid ROA: 4190
Number of IPv4 prefixes with an invalid ROA: 9
Number of IPv4 prefixes with no ROA: 13227
Total ASes present in the Internet Routing Table: 2603
Prefixes per ASN: 6.69
Origin-only ASes present in the Internet Routing Table: 2237
Origin ASes announcing only one prefix: 1006
Transit ASes present in the Internet Routing Table: 366
Transit-only ASes present in the Internet Routing Table: 64
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: 4
Number of instances of unregistered ASNs: 4
Number of 32-bit ASNs allocated by the RIRs: 41481
Number of 32-bit ASNs visible in the Routing Table: 577
Prefixes from 32-bit ASNs in the Routing Table: 1645
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: 195048192
Equivalent to 11 /8s, 160 /16s and 51 /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: 2011
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4189
Total APNIC prefixes after maximum aggregation: 1928
APNIC Deaggregation factor: 2.17
Prefixes being announced from the APNIC address blocks: 4191
Unique aggregates announced from the APNIC address blocks: 2194
APNIC Region origin ASes present in the Internet Routing Table: 483
APNIC Prefixes per ASN: 8.68
APNIC Region origin ASes announcing only one prefix: 198
APNIC Region transit ASes present in the Internet Routing Table: 59
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: 174
Number of APNIC addresses announced to Internet: 41385728
Equivalent to 2 /8s, 119 /16s and 127 /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: 7458
Total ARIN prefixes after maximum aggregation: 4333
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 7471
Unique aggregates announced from the ARIN address blocks: 4841
ARIN Region origin ASes present in the Internet Routing Table: 1197
ARIN Prefixes per ASN: 6.24
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 159
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: 181
Number of ARIN addresses announced to Internet: 89845504
Equivalent to 5 /8s, 90 /16s and 239 /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: 3503
Total RIPE prefixes after maximum aggregation: 2804
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3492
Unique aggregates announced from the RIPE address blocks: 2861
RIPE Region origin ASes present in the Internet Routing Table: 677
RIPE Prefixes per ASN: 5.16
RIPE Region origin ASes announcing only one prefix: 303
RIPE Region transit ASes present in the Internet Routing Table: 100
Average RIPE Region AS path length visible: 4.6
Max RIPE Region AS path length visible: 15
Number of RIPE region 32-bit ASNs visible in the Routing Table: 142
Number of RIPE addresses announced to Internet: 57360128
Equivalent to 3 /8s, 107 /16s and 63 /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: 1237
Total LACNIC prefixes after maximum aggregation: 484
LACNIC Deaggregation factor: 2.56
Prefixes being announced from the LACNIC address blocks: 1236
Unique aggregates announced from the LACNIC address blocks: 704
LACNIC Region origin ASes present in the Internet Routing Table: 127
LACNIC Prefixes per ASN: 9.73
LACNIC Region origin ASes announcing only one prefix: 52
LACNIC Region transit ASes present in the Internet Routing Table: 20
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 52
Number of LACNIC addresses announced to Internet: 3802624
Equivalent to 0 /8s, 58 /16s and 6 /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: 1035
Total AfriNIC prefixes after maximum aggregation: 206
AfriNIC Deaggregation factor: 5.02
Prefixes being announced from the AfriNIC address blocks: 1034
Unique aggregates announced from the AfriNIC address blocks: 291
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 19.88
AfriNIC Region origin ASes announcing only one prefix: 24
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: 2653440
Equivalent to 0 /8s, 40 /16s and 125 /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 593 2157 463 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
1237 189 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
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
2152 149 507 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
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 137 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 94 27 74 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/AARNET-Seattle/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 220 208 43 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 58 37 19 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
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
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 380 319 72 TENET-1, ZA
36914 247 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 61 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
327700 33 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
37182 32 8 1 TERNET, TZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
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 593 2157 463 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 380 319 72 TENET-1, ZA
680 283 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 247 82 3 KENET-AS, KE
1916 220 208 43 Rede Nacional de Ensino e Pesquisa, BR
5786 199 16 1 UPRENET, PR
376 198 178 148 RISQ-AS, CA
1237 189 74 139 KREONET-AS-KR KISTI, KR
786 186 1775 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 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 380 308 TENET-1, ZA
36914 247 244 KENET-AS, KE
5786 199 198 UPRENET, PR
1916 220 177 Rede Nacional de Ensino e Pesquisa, BR
58647 178 176 KAGAWAU-AS Kagawa University, JP
8895 137 132 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
18621 UNALLOCATED 142.156.0.0/16 26677 ORION-ASN, CA
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 /14:34 /15:120 /16:1878 /17:392 /18:426
/19:528 /20:818 /21:803 /22:1402 /23:1471 /24:9522
/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 234 247 KENET-AS, KE
8895 132 137 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
32440 36 58 LONI, US
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
37182 31 32 TERNET, TZ
200521 31 53 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 41:139
42:10 44:5 45:35 46:5 47:1 49:6
50:1 52:1 58:1 59:20 60:4 61:3
62:11 63:33 64:51 65:1 66:33 67:42
68:8 69:19 70:2 72:7 74:50 76:42
77:9 78:3 79:10 80:17 81:28 82:7
83:6 84:10 85:42 86:5 87:1 89:10
91:45 92:2 93:4 94:4 95:2 96:5
97:1 98:2 101:6 102:16 103:245 104:81
108:8 109:10 110:2 111:16 114:23 116:6
117:61 118:32 119:21 121:28 122:8 123:8
124:39 125:4 128:54 129:41 130:84 131:56
132:43 133:157 134:97 136:199 137:91 138:2
139:6 140:37 141:1 142:38 143:25 144:23
145:2 146:131 147:54 148:192 149:12 150:127
151:9 152:141 153:14 154:29 155:52 156:62
157:24 158:36 159:115 160:27 161:21 162:20
163:74 164:10 165:51 166:1 167:16 168:104
169:10 170:15 171:1 172:3 173:7 175:31
176:8 177:9 179:9 180:15 181:1 184:3
185:49 186:3 187:18 188:13 189:3 190:18
191:36 192:1275 193:335 194:130 195:79 196:169
197:150 198:453 199:244 200:229 201:38 202:611
203:272 204:339 205:123 206:183 207:159 208:66
209:113 210:186 211:17 212:169 213:5 216:86
217:11 218:22 219:6 220:17 222:5 223:4
End of report
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