[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Fri Jan 13 17:00:39 UTC 2023
IPv4 R&E Routing Table Report 17:00 GMT Fri 13 Jan, 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: 18951
Prefixes after maximum aggregation (per Origin AS): 10752
Deaggregation factor: 1.76
Unique aggregates announced (without unneeded subnets): 11948
Number of IPv4 prefixes with a valid ROA: 4461
Number of IPv4 prefixes with an invalid ROA: 71
Number of IPv4 prefixes with no ROA: 14419
Total ASes present in the Internet Routing Table: 2791
Prefixes per ASN: 6.79
Origin-only ASes present in the Internet Routing Table: 2422
Origin ASes announcing only one prefix: 1070
Transit ASes present in the Internet Routing Table: 369
Transit-only ASes present in the Internet Routing Table: 57
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 ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 10
Number of instances of unregistered ASNs: 10
Number of 32-bit ASNs allocated by the RIRs: 41040
Number of 32-bit ASNs visible in the Routing Table: 645
Prefixes from 32-bit ASNs in the Routing Table: 1801
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: 1
Number of addresses announced to Internet: 206887462
Equivalent to 12 /8s, 84 /16s and 218 /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: 4769
Total APNIC prefixes after maximum aggregation: 2306
APNIC Deaggregation factor: 2.07
Prefixes being announced from the APNIC address blocks: 4770
Unique aggregates announced from the APNIC address blocks: 2630
APNIC Region origin ASes present in the Internet Routing Table: 585
APNIC Prefixes per ASN: 8.15
APNIC Region origin ASes announcing only one prefix: 250
APNIC Region transit ASes present in the Internet Routing Table: 64
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: 45901888
Equivalent to 2 /8s, 188 /16s and 104 /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: 8071
Total ARIN prefixes after maximum aggregation: 4740
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 8086
Unique aggregates announced from the ARIN address blocks: 5299
ARIN Region origin ASes present in the Internet Routing Table: 1232
ARIN Prefixes per ASN: 6.56
ARIN Region origin ASes announcing only one prefix: 426
ARIN Region transit ASes present in the Internet Routing Table: 154
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: 182
Number of ARIN addresses announced to Internet: 96067072
Equivalent to 5 /8s, 185 /16s and 222 /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: 3685
Total RIPE prefixes after maximum aggregation: 2903
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3681
Unique aggregates announced from the RIPE address blocks: 2932
RIPE Region origin ASes present in the Internet Routing Table: 699
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: 104
Average RIPE Region AS path length visible: 2.9
Max RIPE Region AS path length visible: 11
Number of RIPE region 32-bit ASNs visible in the Routing Table: 143
Number of RIPE addresses announced to Internet: 58046790
Equivalent to 3 /8s, 117 /16s and 185 /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: 1410
Total LACNIC prefixes after maximum aggregation: 588
LACNIC Deaggregation factor: 2.40
Prefixes being announced from the LACNIC address blocks: 1407
Unique aggregates announced from the LACNIC address blocks: 792
LACNIC Region origin ASes present in the Internet Routing Table: 160
LACNIC Prefixes per ASN: 8.79
LACNIC Region origin ASes announcing only one prefix: 59
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 11
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4188576
Equivalent to 0 /8s, 63 /16s and 233 /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: 1006
Total AfriNIC prefixes after maximum aggregation: 207
AfriNIC Deaggregation factor: 4.86
Prefixes being announced from the AfriNIC address blocks: 1006
Unique aggregates announced from the AfriNIC address blocks: 294
AfriNIC Region origin ASes present in the Internet Routing Table: 53
AfriNIC Prefixes per ASN: 18.98
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 11
Average AfriNIC Region AS path length visible: 2.9
Max AfriNIC Region AS path length visible: 11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2682880
Equivalent to 0 /8s, 40 /16s and 240 /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 588 2157 462 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
4538 191 4192 73 ERX-CERNET-BKB China Education and Rese
1237 188 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 172 329 118 AARNET-AS-AP Australian Academic and Re
55824 114 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
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
668 215 684 176 DNIC-AS-00668, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
2152 151 507 90 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 92 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
680 283 1935 251 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 176 24 4 ISU Internet Services Unit ISU, SA
559 114 550 105 SWITCH Peering requests: peering at switch
1103 96 1518 85 SURFNET-NL SURFnet, The Netherlands, NL
2614 95 27 75 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/GEANT/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 177 208 44 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 96 24 55 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 47 3 15 CEDIA, EC
4270 44 16 1 Red de Interconexion Universitaria, AR
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 366 319 72 TENET-1, ZA
36914 244 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 45 28 3 RENU, UG
3208 32 2 1 ARN, DZ
327700 32 16 1 MoRENet, MZ
37182 31 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/GEANT/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 588 2157 462 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 366 319 72 TENET-1, ZA
680 283 1935 251 DFN Verein zur Foerderung eines Deutsch
36914 244 82 3 KENET-AS, KE
668 215 684 176 DNIC-AS-00668, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
4538 191 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 434 410 CSTNET-AS-AP Computer Network Information Cente
2018 366 294 TENET-1, ZA
36914 244 241 KENET-AS, KE
5786 199 198 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 176 172 ISU Internet Services Unit ISU, SA
1916 177 133 Rede Nacional de Ensino e Pesquisa, BR
18558 134 130 NETBLK-RCOEK, US
4538 191 118 ERX-CERNET-BKB China Education and Research Net
55824 114 102 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
33008 UNALLOCATED 162.248.66.0/24 11096 FLORIDANET, 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/GEANT/data-badAS
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
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 /16:2024 /17:420 /18:450
/19:568 /20:866 /21:885 /22:1475 /23:1559 /24:10267
/25:86 /26:57 /27:82 /28:0 /29:0 /30:0
/31:1 /32:20
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 231 244 KENET-AS, KE
8895 171 176 ISU Internet Services Unit ISU, SA
32440 77 92 LONI, US
23024 52 113 OCDE, US
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
37182 30 31 TERNET, TZ
200521 30 52 SEAP-AGE, ES
263282 30 37 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
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 14:84
18:44 23:6 24:3 31:7 35:6 38:9
40:1 41:139 42:15 44:5 45:36 46:5
47:1 49:10 50:3 52:1 58:12 59:21
60:4 61:3 62:14 63:33 64:51 65:1
66:32 67:42 68:8 69:21 70:2 71:1
72:7 74:50 76:37 77:9 78:3 79:10
80:18 81:28 82:8 83:6 84:22 85:42
86:8 87:1 89:10 91:47 92:1 93:4
94:4 95:4 96:5 97:2 98:2 101:8
102:16 103:318 104:72 108:8 109:10 110:2
111:16 114:23 116:6 117:61 118:33 119:22
121:27 122:8 123:8 124:39 125:4 128:86
129:40 130:88 131:64 132:62 133:149 134:100
136:199 137:75 138:9 139:6 140:57 141:1
142:39 143:30 144:25 145:2 146:130 147:59
148:194 149:12 150:130 151:7 152:77 153:14
154:28 155:52 156:68 157:29 158:40 159:116
160:26 161:19 162:20 163:77 164:10 165:51
166:1 167:16 168:124 169:10 170:57 172:2
173:7 175:31 176:8 177:10 179:10 180:17
181:1 182:1 184:3 185:49 186:3 187:19
188:13 189:3 190:18 191:36 192:1452 193:346
194:148 195:91 196:156 197:148 198:488 199:284
200:221 201:37 202:635 203:424 204:347 205:129
206:187 207:164 208:66 209:115 210:186 211:14
212:168 213:5 214:8 216:87 217:12 218:22
219:12 220:17 222:6 223:9
End of report
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