[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Sat Feb 25 17:00:40 UTC 2023
IPv4 R&E Routing Table Report 17:00 GMT Sat 25 Feb, 2023
IPv4 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: 18869
Prefixes after maximum aggregation (per Origin AS): 10707
Deaggregation factor: 1.76
Unique aggregates announced (without unneeded subnets): 11935
Number of IPv4 prefixes with a valid ROA: 4490
Number of IPv4 prefixes with an invalid ROA: 16
Number of IPv4 prefixes with no ROA: 14363
Total ASes present in the Internet Routing Table: 2787
Prefixes per ASN: 6.77
Origin-only ASes present in the Internet Routing Table: 2415
Origin ASes announcing only one prefix: 1071
Transit ASes present in the Internet Routing Table: 372
Transit-only ASes present in the Internet Routing Table: 58
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 3.7
Max AS path length visible: 19
Max AS path prepend of ASN (395156) 12
Prefixes from unregistered ASNs in the Routing Table: 11
Number of instances of unregistered ASNs: 11
Number of 32-bit ASNs allocated by the RIRs: 41293
Number of 32-bit ASNs visible in the Routing Table: 647
Prefixes from 32-bit ASNs in the Routing Table: 1816
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: 206338982
Equivalent to 12 /8s, 76 /16s and 123 /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: 99.6
Total number of prefixes smaller than registry allocations: 2235
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4759
Total APNIC prefixes after maximum aggregation: 2300
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4760
Unique aggregates announced from the APNIC address blocks: 2625
APNIC Region origin ASes present in the Internet Routing Table: 582
APNIC Prefixes per ASN: 8.18
APNIC Region origin ASes announcing only one prefix: 250
APNIC Region transit ASes present in the Internet Routing Table: 62
Average APNIC Region AS path length visible: 3.6
Max APNIC Region AS path length visible: 13
Number of APNIC region 32-bit ASNs visible in the Routing Table: 227
Number of APNIC addresses announced to Internet: 45888320
Equivalent to 2 /8s, 188 /16s and 51 /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: 8031
Total ARIN prefixes after maximum aggregation: 4746
ARIN Deaggregation factor: 1.69
Prefixes being announced from the ARIN address blocks: 8047
Unique aggregates announced from the ARIN address blocks: 5306
ARIN Region origin ASes present in the Internet Routing Table: 1235
ARIN Prefixes per ASN: 6.52
ARIN Region origin ASes announcing only one prefix: 429
ARIN Region transit ASes present in the Internet Routing Table: 156
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 19
Number of ARIN region 32-bit ASNs visible in the Routing Table: 185
Number of ARIN addresses announced to Internet: 95776640
Equivalent to 5 /8s, 181 /16s and 111 /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: 3678
Total RIPE prefixes after maximum aggregation: 2879
RIPE Deaggregation factor: 1.28
Prefixes being announced from the RIPE address blocks: 3674
Unique aggregates announced from the RIPE address blocks: 2925
RIPE Region origin ASes present in the Internet Routing Table: 697
RIPE Prefixes per ASN: 5.27
RIPE Region origin ASes announcing only one prefix: 310
RIPE Region transit ASes present in the Internet Routing Table: 105
Average RIPE Region AS path length visible: 2.8
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 144
Number of RIPE addresses announced to Internet: 58039878
Equivalent to 3 /8s, 117 /16s and 158 /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: 1357
Total LACNIC prefixes after maximum aggregation: 567
LACNIC Deaggregation factor: 2.39
Prefixes being announced from the LACNIC address blocks: 1354
Unique aggregates announced from the LACNIC address blocks: 786
LACNIC Region origin ASes present in the Internet Routing Table: 158
LACNIC Prefixes per ASN: 8.57
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: 4.8
Max LACNIC Region AS path length visible: 12
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 63
Number of LACNIC addresses announced to Internet: 3979936
Equivalent to 0 /8s, 60 /16s and 186 /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: 1033
Total AfriNIC prefixes after maximum aggregation: 206
AfriNIC Deaggregation factor: 5.01
Prefixes being announced from the AfriNIC address blocks: 1032
Unique aggregates announced from the AfriNIC address blocks: 291
AfriNIC Region origin ASes present in the Internet Routing Table: 52
AfriNIC Prefixes per ASN: 19.85
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 12
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 13
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 590 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
4538 192 4192 73 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 118 18 11 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/GEANT/data-ASnet-APNIC
ARIN Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
668 219 702 180 DNIC-AS-00668, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 153 507 92 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 93 18 16 LONI, US
32531 90 6 60 FORDHAM-UNIVERSITY, 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
680 282 1919 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 177 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 94 27 74 ROEDUNET, RO
137 82 677 77 ASGARR Consortium GARR, IT
553 73 449 73 BELWUE BelWue-Koordination, DE
3267 67 64 28 RUNNET, RU
1930 65 81 60 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 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
1251 58 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 42 3 14 CEDIA, EC
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/GEANT/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 378 319 72 TENET-1, ZA
36914 249 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
327687 60 28 3 RENU, UG
8094 48 48 15 PUKNET, ZA
3208 32 2 1 ARN, DZ
37182 32 8 1 TERNET, TZ
327700 32 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
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 590 2157 464 SINET-AS Research Organization of Infor
7497 435 182 24 CSTNET-AS-AP Computer Network Informati
2018 378 319 72 TENET-1, ZA
680 282 1919 249 DFN Verein zur Foerderung eines Deutsch
36914 249 82 3 KENET-AS, KE
668 219 702 180 DNIC-AS-00668, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
4538 192 4192 73 ERX-CERNET-BKB China Education and Rese
1237 188 74 134 KREONET-AS-KR KISTI, KR
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 435 411 CSTNET-AS-AP Computer Network Information Cente
2018 378 306 TENET-1, ZA
36914 249 246 KENET-AS, KE
5786 199 198 UPRENET, PR
58647 177 175 KAGAWAU-AS Kagawa University, JP
8895 177 173 ISU Internet Services Unit ISU, SA
1916 180 136 Rede Nacional de Ensino e Pesquisa, BR
18558 134 130 NETBLK-RCOEK, US
4538 192 119 ERX-CERNET-BKB China Education and Research Net
55824 118 107 NKN-CORE-NW NKN Core Network, IN
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
30797 UNALLOCATED 84.237.71.0/24 5387 NSC, RU
30797 UNALLOCATED 84.237.96.0/23 5387 NSC, RU
30797 UNALLOCATED 84.237.98.0/24 5387 NSC, RU
30797 UNALLOCATED 84.237.99.0/24 5387 NSC, RU
30797 UNALLOCATED 84.237.100.0/24 5387 NSC, RU
30797 UNALLOCATED 84.237.120.0/23 5387 NSC, RU
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
19658 UNALLOCATED 199.27.241.0/24 11096 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/GEANT/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: 20965 GEANT The GEANT IP Service, NL
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/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
/13:19 /14:36 /15:122 /16:2014 /17:416 /18:443
/19:560 /20:867 /21:880 /22:1480 /23:1561 /24:10210
/25:83 /26:53 /27:91 /28:0 /29:0 /30:0
/31:1 /32:19
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 236 249 KENET-AS, KE
8895 172 177 ISU Internet Services Unit ISU, SA
32440 78 93 LONI, US
23024 52 113 OCDE, US
46115 32 35 LUTHER, US
37182 31 32 TERNET, TZ
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
3267 29 67 RUNNET, RU
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:89
23:6 24:3 31:7 35:6 38:9 40:1
41:136 42:15 44:5 45:33 46:5 47:1
49:7 50:1 52:1 58:12 59:21 60:4
61:3 62:15 63:33 64:52 65:1 66:33
67:42 68:8 69:21 70:2 71:1 72:7
74:50 76:39 77:9 78:3 79:10 80:19
81:28 82:5 83:6 84:21 85:44 86:10
87:1 89:10 91:47 92:2 93:4 94:4
95:2 96:5 97:1 98:2 101:8 102:16
103:309 104:77 108:8 109:10 110:2 111:16
114:23 116:6 117:61 118:33 119:21 121:29
122:8 123:8 124:39 125:4 128:86 129:39
130:87 131:61 132:50 133:149 134:101 136:199
137:91 138:9 139:6 140:53 141:1 142:39
143:30 144:25 145:2 146:107 147:59 148:192
149:12 150:130 151:9 152:79 153:14 154:30
155:55 156:68 157:29 158:37 159:115 160:27
161:19 162:20 163:76 164:10 165:50 166:1
167:16 168:125 169:10 170:63 172:3 173:7
175:31 176:8 177:9 179:10 180:17 181:1
182:1 184:3 185:48 186:3 187:19 188:12
189:3 190:18 191:36 192:1453 193:345 194:149
195:92 196:166 197:154 198:491 199:277 200:220
201:36 202:628 203:426 204:347 205:128 206:186
207:164 208:69 209:115 210:186 211:17 212:170
213:5 214:8 216:86 217:13 218:22 219:12
220:16 222:6 223:9
End of report
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