[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 15 21:00:40 UTC 2022
IPv4 R&E Routing Table Report 21:00 GMT Wed 15 Jun, 2022
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: 17729
Prefixes after maximum aggregation (per Origin AS): 10041
Deaggregation factor: 1.77
Unique aggregates announced (without unneeded subnets): 11190
Number of IPv4 prefixes with a valid ROA: 3869
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 13844
Total ASes present in the Internet Routing Table: 2649
Prefixes per ASN: 6.69
Origin-only ASes present in the Internet Routing Table: 2278
Origin ASes announcing only one prefix: 1038
Transit ASes present in the Internet Routing Table: 371
Transit-only ASes present in the Internet Routing Table: 60
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.4
Max AS path length visible: 20
Max AS path prepend of ASN ( 10497) 11
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: 39592
Number of 32-bit ASNs visible in the Routing Table: 582
Prefixes from 32-bit ASNs in the Routing Table: 1642
Number of bogon 32-bit ASNs visible in the Routing Table: 0
Special use prefixes present in the Routing Table: 1
Prefixes being announced from unallocated address space: 2
Number of addresses announced to Internet: 199775488
Equivalent to 11 /8s, 232 /16s and 85 /24s
Percentage of available address space announced: 5.4
Percentage of allocated address space announced: 5.4
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: 1933
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4160
Total APNIC prefixes after maximum aggregation: 1923
APNIC Deaggregation factor: 2.16
Prefixes being announced from the APNIC address blocks: 4162
Unique aggregates announced from the APNIC address blocks: 2178
APNIC Region origin ASes present in the Internet Routing Table: 495
APNIC Prefixes per ASN: 8.41
APNIC Region origin ASes announcing only one prefix: 209
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 4.6
Max APNIC Region AS path length visible: 20
Number of APNIC region 32-bit ASNs visible in the Routing Table: 185
Number of APNIC addresses announced to Internet: 41529856
Equivalent to 2 /8s, 121 /16s and 178 /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: 7740
Total ARIN prefixes after maximum aggregation: 4556
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 7760
Unique aggregates announced from the ARIN address blocks: 5142
ARIN Region origin ASes present in the Internet Routing Table: 1208
ARIN Prefixes per ASN: 6.42
ARIN Region origin ASes announcing only one prefix: 435
ARIN Region transit ASes present in the Internet Routing Table: 157
Average ARIN Region AS path length visible: 4.1
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 170
Number of ARIN addresses announced to Internet: 93850368
Equivalent to 5 /8s, 152 /16s and 11 /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: 3467
Total RIPE prefixes after maximum aggregation: 2789
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3453
Unique aggregates announced from the RIPE address blocks: 2819
RIPE Region origin ASes present in the Internet Routing Table: 668
RIPE Prefixes per ASN: 5.17
RIPE Region origin ASes announcing only one prefix: 307
RIPE Region transit ASes present in the Internet Routing Table: 99
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: 136
Number of RIPE addresses announced to Internet: 57454080
Equivalent to 3 /8s, 108 /16s and 174 /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: 1428
Total LACNIC prefixes after maximum aggregation: 569
LACNIC Deaggregation factor: 2.51
Prefixes being announced from the LACNIC address blocks: 1423
Unique aggregates announced from the LACNIC address blocks: 762
LACNIC Region origin ASes present in the Internet Routing Table: 166
LACNIC Prefixes per ASN: 8.57
LACNIC Region origin ASes announcing only one prefix: 65
LACNIC Region transit ASes present in the Internet Routing Table: 23
Average LACNIC Region AS path length visible: 5.0
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 67
Number of LACNIC addresses announced to Internet: 4283392
Equivalent to 0 /8s, 65 /16s and 92 /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: 929
Total AfriNIC prefixes after maximum aggregation: 199
AfriNIC Deaggregation factor: 4.67
Prefixes being announced from the AfriNIC address blocks: 929
Unique aggregates announced from the AfriNIC address blocks: 287
AfriNIC Region origin ASes present in the Internet Routing Table: 47
AfriNIC Prefixes per ASN: 19.77
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: 3.7
Max AfriNIC Region AS path length visible: 13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 24
Number of AfriNIC addresses announced to Internet: 2657280
Equivalent to 0 /8s, 40 /16s and 140 /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 571 2140 454 SINET-AS Research Organization of Infor
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
1237 187 74 135 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
4538 128 4192 73 ERX-CERNET-BKB China Education and Rese
55824 116 18 11 NKN-CORE-NW NKN Core Network, IN
4621 78 37 10 UNINET-AS-AP UNINET-, TH
4762 65 4 1 MAHIDOL-BORDER-AS Mahidol University, T
23570 59 5 11 INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
1659 54 1450 34 ERX-TANET-ASN1 Taiwan Academic Network
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
668 210 702 178 DNIC-AS-00668, US
376 204 178 153 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 151 507 90 CSUNET-NW, US
18558 131 18 4 NETBLK-RCOEK, US
23024 114 7 17 OCDE, US
2920 107 34 6 LACOE, US
32531 91 16 1 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, US
3 81 496 15 MIT-GATEWAYS, 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
680 285 1967 251 DFN Verein zur Foerderung eines Deutsch
786 186 1774 183 JANET Jisc Services Limited, GB
8895 137 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 100 1520 87 SURFNET-NL SURFnet, The Netherlands, NL
2614 96 27 76 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
2200 63 583 58 FR-RENATER Reseau National de telecommu
1930 58 81 53 RCCN Fundacao para a Ciencia e a Tecnol
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 158 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 94 24 54 Red Universitaria Nacional, CL
1251 59 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
19611 46 17 2 Associacao Antonio Vieira - Unisinos, B
4270 42 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28571 39 42 16 UNIVERSIDADE DE SAO PAULO, BR
28614 37 2 2 Fundacao Universidade Regional de Blume
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 376 319 73 TENET-1, ZA
36914 214 82 3 KENET-AS, KE
2561 67 4 32 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 39 28 3 RENU, UG
327700 32 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37182 18 8 1 TERNET, TZ
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 571 2140 454 SINET-AS Research Organization of Infor
7497 433 182 24 CSTNET-AS-AP Computer Network Informati
2018 376 319 73 TENET-1, ZA
680 285 1967 251 DFN Verein zur Foerderung eines Deutsch
36914 214 82 3 KENET-AS, KE
668 210 702 178 DNIC-AS-00668, US
376 204 178 153 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
1237 187 74 135 KREONET-AS-KR KISTI, KR
786 186 1774 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 433 409 CSTNET-AS-AP Computer Network Information Cente
2018 376 303 TENET-1, ZA
36914 214 211 KENET-AS, KE
5786 200 199 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 137 133 ISU Internet Services Unit ISU, SA
18558 131 127 NETBLK-RCOEK, US
1916 158 114 Rede Nacional de Ensino e Pesquisa, BR
55824 116 105 NKN-CORE-NW NKN Core Network, IN
2920 107 101 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
22063 UNALLOCATED 153.10.0.0/16 2152 CSUNET-NW, US
22226 UNALLOCATED 156.1.0.0/16 2152 CSUNET-NW, US
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/AARNET-Seattle/data-badAS
Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------
Prefix Origin AS Description
192.88.99.0/24 1103 SURFNET-NL SURFnet, The Netherlands, NL
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-spar
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
192.88.99.0/24 Origin: 1103 SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24 Transit: 11537 INTERNET2-RESEARCH-EDU, US
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 /15:121 /16:1941 /17:392 /18:432
/19:537 /20:846 /21:866 /22:1372 /23:1504 /24:9652
/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 201 214 KENET-AS, KE
8895 132 137 ISU Internet Services Unit ISU, SA
23024 53 114 OCDE, US
25977 31 45 HCCS, US
28614 31 37 Fundacao Universidade Regional de Blumenau, BR
200521 31 52 SEAP-AGE, ES
32440 30 45 LONI, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
40326 29 33 ECKERD-COLLEGE, US
Complete listing at https://bgp.nsrc.org/REN/AARNET-Seattle/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:3 5:15 6:4 8:2 12:1 14:86
18:46 23:9 24:3 31:7 35:4 37:6
38:9 40:1 41:125 42:10 44:5 45:39
46:6 47:1 49:10 50:1 52:1 59:20
60:4 61:3 62:6 63:34 64:49 66:35
67:43 68:8 69:19 70:2 71:1 72:9
74:18 76:33 77:8 78:3 79:10 80:18
81:28 82:5 83:6 84:7 85:43 86:3
87:1 88:1 89:10 91:45 93:10 94:4
95:4 96:5 97:1 98:2 101:6 102:12
103:259 104:76 108:8 109:10 110:4 111:16
114:23 116:7 117:61 118:32 119:24 121:27
122:8 123:8 124:39 125:4 128:58 129:38
130:90 131:67 132:52 133:145 134:99 136:200
137:75 138:1 139:5 140:52 141:1 142:41
143:27 144:23 145:2 146:127 147:54 148:191
149:12 150:127 151:6 152:68 153:13 154:29
155:48 156:61 157:27 158:44 159:116 160:26
161:21 162:20 163:63 164:19 165:57 166:1
167:16 168:126 169:10 170:51 171:1 172:2
173:7 175:31 176:8 177:11 179:10 180:16
181:1 182:3 184:10 185:41 186:3 187:19
188:13 189:5 190:34 191:34 192:1319 193:299
194:126 195:83 196:162 197:120 198:468 199:283
200:237 201:38 202:613 203:271 204:322 205:165
206:187 207:171 208:66 209:115 210:184 211:15
212:172 213:5 214:8 216:85 217:11 218:22
219:6 220:17 222:5 223:3
End of report
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