[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Jan 22 17:00:29 UTC 2022
IPv4 R&E Routing Table Report 17:00 GMT Sat 22 Jan, 2022
BGP Table (R&E) as seen at GEANT.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/GEANT/
Analysis Summary
----------------
BGP routing table entries examined: 18550
Prefixes after maximum aggregation (per Origin AS): 10554
Deaggregation factor: 1.76
Unique aggregates announced (without unneeded subnets): 11673
Number of IPv4 prefixes with a valid ROA: 3651
Number of IPv4 prefixes with an invalid ROA: 17
Number of IPv4 prefixes with no ROA: 14882
Total ASes present in the Internet Routing Table: 2734
Prefixes per ASN: 6.78
Origin-only ASes present in the Internet Routing Table: 2366
Origin ASes announcing only one prefix: 1095
Transit ASes present in the Internet Routing Table: 368
Transit-only ASes present in the Internet Routing Table: 46
Average AS path length visible in the Internet Routing Table: 3.8
Max AS path length visible: 14
Max AS path prepend of ASN ( 10497) 11
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: 38362
Number of 32-bit ASNs visible in the Routing Table: 612
Prefixes from 32-bit ASNs in the Routing Table: 1711
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: 207261306
Equivalent to 12 /8s, 90 /16s and 142 /24s
Percentage of available address space announced: 5.6
Percentage of allocated address space announced: 5.6
Percentage of available address space allocated: 100.0
Percentage of address space in use by end-sites: 99.5
Total number of prefixes smaller than registry allocations: 2113
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4557
Total APNIC prefixes after maximum aggregation: 2278
APNIC Deaggregation factor: 2.00
Prefixes being announced from the APNIC address blocks: 4558
Unique aggregates announced from the APNIC address blocks: 2547
APNIC Region origin ASes present in the Internet Routing Table: 561
APNIC Prefixes per ASN: 8.12
APNIC Region origin ASes announcing only one prefix: 247
APNIC Region transit ASes present in the Internet Routing Table: 58
Average APNIC Region AS path length visible: 3.8
Max APNIC Region AS path length visible: 14
Number of APNIC region 32-bit ASNs visible in the Routing Table: 216
Number of APNIC addresses announced to Internet: 45945152
Equivalent to 2 /8s, 189 /16s and 17 /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: 8047
Total ARIN prefixes after maximum aggregation: 4670
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8059
Unique aggregates announced from the ARIN address blocks: 5198
ARIN Region origin ASes present in the Internet Routing Table: 1217
ARIN Prefixes per ASN: 6.62
ARIN Region origin ASes announcing only one prefix: 433
ARIN Region transit ASes present in the Internet Routing Table: 156
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: 163
Number of ARIN addresses announced to Internet: 96304336
Equivalent to 5 /8s, 189 /16s and 124 /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: 3492
Total RIPE prefixes after maximum aggregation: 2807
RIPE Deaggregation factor: 1.24
Prefixes being announced from the RIPE address blocks: 3479
Unique aggregates announced from the RIPE address blocks: 2796
RIPE Region origin ASes present in the Internet Routing Table: 678
RIPE Prefixes per ASN: 5.13
RIPE Region origin ASes announcing only one prefix: 319
RIPE Region transit ASes present in the Internet Routing Table: 102
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 134
Number of RIPE addresses announced to Internet: 58085834
Equivalent to 3 /8s, 118 /16s and 81 /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: 1540
Total LACNIC prefixes after maximum aggregation: 607
LACNIC Deaggregation factor: 2.54
Prefixes being announced from the LACNIC address blocks: 1541
Unique aggregates announced from the LACNIC address blocks: 835
LACNIC Region origin ASes present in the Internet Routing Table: 178
LACNIC Prefixes per ASN: 8.66
LACNIC Region origin ASes announcing only one prefix: 75
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 4.8
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 73
Number of LACNIC addresses announced to Internet: 4202144
Equivalent to 0 /8s, 64 /16s and 30 /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: 911
Total AfriNIC prefixes after maximum aggregation: 189
AfriNIC Deaggregation factor: 4.82
Prefixes being announced from the AfriNIC address blocks: 911
Unique aggregates announced from the AfriNIC address blocks: 295
AfriNIC Region origin ASes present in the Internet Routing Table: 51
AfriNIC Prefixes per ASN: 17.86
AfriNIC Region origin ASes announcing only one prefix: 21
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2723328
Equivalent to 0 /8s, 41 /16s and 142 /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 577 2157 458 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
1237 188 74 135 KREONET-AS-KR KISTI, KR
58647 178 18 2 KAGAWAU-AS Kagawa University, JP
4538 176 4192 72 ERX-CERNET-BKB China Education and Rese
7575 176 330 123 AARNET-AS-AP Australian Academic and Re
55824 114 18 10 NKN-CORE-NW NKN Core Network, IN
4621 80 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
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
7896 251 51 7 NU-AS, US
668 211 702 182 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
5786 200 16 1 UPRENET, PR
2152 144 507 86 CSUNET-NW, US
18558 136 18 4 NETBLK-RCOEK, US
270 119 329 88 AS270, US
2920 111 34 6 LACOE, US
21976 85 51 18 NJEDGE-NET, US
1736 80 16 1 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
786 185 1774 182 JANET Jisc Services Limited, GB
8895 182 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 98 1520 85 SURFNET-NL SURFnet, The Netherlands, NL
137 82 677 77 ASGARR Consortium GARR, IT
553 72 449 72 BELWUE BelWue-Koordination, DE
2200 68 647 61 FR-RENATER Reseau National de telecommu
2614 58 32 55 ROEDUNET, RO
1930 57 81 52 RCCN Fundacao para a Ciencia e a Tecnol
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 202 207 42 Rede Nacional de Ensino e Pesquisa, BR
28391 152 10 66 Universidad Juarez Autonoma de Tabasco,
11340 95 24 55 Red Universitaria Nacional, CL
1251 65 37 20 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
2715 58 102 38 Fundacao Carlos Chagas Filho de Amparo
52286 54 4 31 Columbus Networks Guatemala, GT
19611 45 17 2 Associacao Antonio Vieira - Unisinos, B
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 41 3 15 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 350 319 74 TENET-1, ZA
36914 203 82 3 KENET-AS, KE
2561 72 5 31 EUN, EG
8094 50 48 4 PUKNET, ZA
327700 43 16 1 MoRENet, MZ
327687 39 28 3 RENU, UG
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
37182 12 8 1 TERNET, TZ
37501 11 49 6 UOFS, ZA
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 577 2157 458 SINET-AS Research Organization of Infor
7497 430 182 24 CSTNET-AS-AP Computer Network Informati
2018 350 319 74 TENET-1, ZA
680 279 1950 245 DFN Verein zur Foerderung eines Deutsch
7896 251 51 7 NU-AS, US
668 211 702 182 DNIC-AS-00668, US
376 203 178 152 RISQ-AS, CA
36914 203 82 3 KENET-AS, KE
1916 202 207 42 Rede Nacional de Ensino e Pesquisa, BR
5786 200 16 1 UPRENET, PR
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
7497 430 406 CSTNET-AS-AP Computer Network Information Cente
2018 350 276 TENET-1, ZA
7896 251 244 NU-AS, US
36914 203 200 KENET-AS, KE
5786 200 199 UPRENET, PR
8895 182 178 ISU Internet Services Unit ISU, SA
58647 178 176 KAGAWAU-AS Kagawa University, JP
1916 202 160 Rede Nacional de Ensino e Pesquisa, BR
18558 136 132 NETBLK-RCOEK, US
2920 111 105 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/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
Complete listing at https://bgp.nsrc.org/REN/GEANT/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/GEANT/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: 20965 GEANT The GEANT IP Service, NL
Complete listing at https://bgp.nsrc.org/REN/GEANT/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 /14:36 /15:123 /16:2033 /17:392 /18:441
/19:561 /20:852 /21:902 /22:1418 /23:1541 /24:10008
/25:72 /26:55 /27:56 /28:1 /29:0 /30:0
/31:1 /32:26
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 190 203 KENET-AS, KE
8895 177 182 ISU Internet Services Unit ISU, SA
23024 53 56 OCDE, US
327700 39 43 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
25977 31 45 HCCS, US
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
32440 29 44 LONI, US
40326 29 33 ECKERD-COLLEGE, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 6:4 8:2 12:1 14:85
18:42 23:7 24:3 31:6 37:6 38:9
40:1 41:126 42:13 44:5 45:42 46:6
47:1 49:8 50:1 52:1 58:7 59:4
60:4 61:3 62:11 63:34 64:47 66:35
67:43 68:8 69:20 71:1 72:10 74:20
76:33 77:7 78:3 79:10 80:16 81:28
82:4 83:7 84:8 85:33 86:7 87:1
88:1 89:10 91:45 92:1 93:19 94:4
95:5 96:5 97:1 98:2 101:8 102:13
103:288 104:14 106:1 108:8 109:10 110:3
111:20 112:4 114:23 116:5 117:61 119:21
121:27 123:8 124:39 125:4 128:86 129:176
130:92 131:83 132:58 133:140 134:100 136:192
137:79 138:8 139:5 140:47 141:2 142:41
143:35 144:52 145:2 146:128 147:60 148:191
149:13 150:35 151:6 152:77 153:11 154:25
155:51 156:67 157:26 158:41 159:115 160:25
161:16 162:20 163:64 164:22 165:55 166:2
167:16 168:161 169:10 170:53 172:2 173:2
175:31 176:8 177:10 178:1 179:11 180:21
181:12 182:6 184:4 185:42 186:3 187:18
188:13 189:5 190:49 191:33 192:1433 193:250
194:140 195:92 196:150 197:115 198:474 199:279
200:254 201:38 202:607 203:414 204:328 205:163
206:186 207:169 208:59 209:115 210:182 211:13
212:172 213:5 214:7 216:86 217:15 218:25
219:12 220:16 222:5 223:3
End of report
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