[REN-BGP-stats-all] IPv4 R&E Routing Table Report - GEANT (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Fri Dec 29 17:00:39 UTC 2023
IPv4 R&E Routing Table Report 17:00 GMT Fri 29 Dec, 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: 19131
Prefixes after maximum aggregation (per Origin AS): 10629
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 11721
Number of IPv4 prefixes with a valid ROA: 6002
Number of IPv4 prefixes with an invalid ROA: 13
Number of IPv4 prefixes with no ROA: 13116
Total ASes present in the Internet Routing Table: 2750
Prefixes per ASN: 6.96
Origin-only ASes present in the Internet Routing Table: 2385
Origin ASes announcing only one prefix: 1058
Transit ASes present in the Internet Routing Table: 365
Transit-only ASes present in the Internet Routing Table: 61
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: 15
Max AS path prepend of ASN ( 47805) 11
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: 43278
Number of 32-bit ASNs visible in the Routing Table: 647
Prefixes from 32-bit ASNs in the Routing Table: 2042
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: 203126432
Equivalent to 12 /8s, 27 /16s and 118 /24s
Percentage of available address space announced: 5.5
Percentage of allocated address space announced: 5.5
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: 2436
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4656
Total APNIC prefixes after maximum aggregation: 2265
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4656
Unique aggregates announced from the APNIC address blocks: 2560
APNIC Region origin ASes present in the Internet Routing Table: 536
APNIC Prefixes per ASN: 8.69
APNIC Region origin ASes announcing only one prefix: 229
APNIC Region transit ASes present in the Internet Routing Table: 57
Average APNIC Region AS path length visible: 3.5
Max APNIC Region AS path length visible: 15
Number of APNIC region 32-bit ASNs visible in the Routing Table: 208
Number of APNIC addresses announced to Internet: 45423424
Equivalent to 2 /8s, 181 /16s and 27 /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, 131072-153913
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: 7945
Total ARIN prefixes after maximum aggregation: 4672
ARIN Deaggregation factor: 1.70
Prefixes being announced from the ARIN address blocks: 7971
Unique aggregates announced from the ARIN address blocks: 5190
ARIN Region origin ASes present in the Internet Routing Table: 1232
ARIN Prefixes per ASN: 6.47
ARIN Region origin ASes announcing only one prefix: 430
ARIN Region transit ASes present in the Internet Routing Table: 153
Average ARIN Region AS path length visible: 4.2
Max ARIN Region AS path length visible: 14
Number of ARIN region 32-bit ASNs visible in the Routing Table: 192
Number of ARIN addresses announced to Internet: 92960576
Equivalent to 5 /8s, 138 /16s and 119 /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: 3711
Total RIPE prefixes after maximum aggregation: 2932
RIPE Deaggregation factor: 1.27
Prefixes being announced from the RIPE address blocks: 3698
Unique aggregates announced from the RIPE address blocks: 2976
RIPE Region origin ASes present in the Internet Routing Table: 701
RIPE Prefixes per ASN: 5.28
RIPE Region origin ASes announcing only one prefix: 312
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: 13
Number of RIPE region 32-bit ASNs visible in the Routing Table: 150
Number of RIPE addresses announced to Internet: 57926656
Equivalent to 3 /8s, 115 /16s and 228 /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
196608-216475
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: 1481
Total LACNIC prefixes after maximum aggregation: 573
LACNIC Deaggregation factor: 2.58
Prefixes being announced from the LACNIC address blocks: 1478
Unique aggregates announced from the LACNIC address blocks: 765
LACNIC Region origin ASes present in the Internet Routing Table: 168
LACNIC Prefixes per ASN: 8.80
LACNIC Region origin ASes announcing only one prefix: 62
LACNIC Region transit ASes present in the Internet Routing Table: 27
Average LACNIC Region AS path length visible: 4.7
Max LACNIC Region AS path length visible: 13
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 69
Number of LACNIC addresses announced to Internet: 4161824
Equivalent to 0 /8s, 63 /16s and 129 /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: 1327
Total AfriNIC prefixes after maximum aggregation: 178
AfriNIC Deaggregation factor: 7.46
Prefixes being announced from the AfriNIC address blocks: 1327
Unique aggregates announced from the AfriNIC address blocks: 229
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 26.54
AfriNIC Region origin ASes announcing only one prefix: 25
AfriNIC Region transit ASes present in the Internet Routing Table: 8
Average AfriNIC Region AS path length visible: 2.8
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 28
Number of AfriNIC addresses announced to Internet: 2653696
Equivalent to 0 /8s, 40 /16s and 126 /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 591 2146 462 SINET-AS Research Organization of Infor
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
1237 196 74 142 KREONET-AS-KR KISTI, KR
4538 183 4193 75 ERX-CERNET-BKB China Education and Rese
58647 180 18 2 KAGAWAU-AS Kagawa University, JP
7575 176 329 119 AARNET-AS-AP Australian Academic and Re
55824 125 18 16 NKN-CORE-NW NKN Core Network, IN
4762 75 4 1 MAHIDOL-BORDER-AS Mahidol University, T
4621 70 37 10 UNINET-AS-AP UNINET-, TH
9411 66 16 2 NONTRINET-AS-AP Kasetsart 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
668 204 652 173 DNIC-AS-00668, US
376 201 162 151 RISQ-AS, CA
2152 146 507 94 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
5786 138 16 1 UPRENET, PR
81 126 521 30 NCREN, US
270 118 329 82 AS270, US
32440 113 35 18 LONI, US
23024 109 7 22 OCDE, US
2920 104 34 7 LACOE, 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 1899 249 DFN Verein zur Foerderung eines Deutsch
786 185 1767 182 JANET Jisc Services Limited, GB
8895 158 24 5 ISU Internet Services Unit ISU, SA
559 114 533 104 SWITCH Peering requests: peering at switch
1103 95 1503 83 SURFNET-NL SURFnet, The Netherlands, NL
3267 95 45 59 RUNNET, RU
2614 94 27 74 ROEDUNET, RO
137 81 676 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 76 462 76 BELWUE BelWue-Koordination, DE
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 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
11340 103 24 48 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
4270 50 17 3 Red de Interconexion Universitaria, AR
19611 48 17 2 Associacao Antonio Vieira - Unisinos, B
2715 44 99 34 Fundacao Carlos Chagas Filho de Amparo
61468 43 3 14 CEDIA, EC
28614 38 2 2 Fundacao Universidade Regional de Blume
1251 35 32 25 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
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
36914 510 82 3 KENET-AS, KE
2018 380 319 71 TENET-1, ZA
327687 161 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 45 16 1 MoRENet, MZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 14 8 2 UG-AS, GH
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
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 591 2146 462 SINET-AS Research Organization of Infor
36914 510 82 3 KENET-AS, KE
7497 437 180 23 CSTNET-AS-AP Computer Network Informati
2018 380 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
1916 250 176 43 Rede Nacional de Ensino e Pesquisa, BR
668 204 652 173 DNIC-AS-00668, US
376 201 162 151 RISQ-AS, CA
1237 196 74 142 KREONET-AS-KR KISTI, KR
786 185 1767 182 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/GEANT/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 510 507 KENET-AS, KE
7497 437 414 CSTNET-AS-AP Computer Network Information Cente
2018 380 309 TENET-1, ZA
1916 250 207 Rede Nacional de Ensino e Pesquisa, BR
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 161 158 RENU, UG
8895 158 153 ISU Internet Services Unit ISU, SA
18558 141 137 NETBLK-RCOEK, US
5786 138 137 UPRENET, PR
55824 125 109 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
394607 UNALLOCATED 104.249.65.0/24 23024 OCDE, US
11570 UNALLOCATED 192.94.216.0/24 40498 ABQG, US
11570 UNALLOCATED 192.207.226.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.106.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.107.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.108.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.188.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.189.0/24 40498 ABQG, US
11570 UNALLOCATED 198.59.190.0/24 40498 ABQG, US
11570 UNALLOCATED 204.134.85.0/24 40498 ABQG, 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 RESERVED, ZZ
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 /10:1 /11:1 /12:10
/13:19 /14:35 /15:121 /16:2015 /17:430 /18:449
/19:583 /20:861 /21:890 /22:1505 /23:1540 /24:10442
/25:86 /26:59 /27:72 /28:0 /29:0 /30:0
/31:1 /32:10
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 495 510 KENET-AS, KE
8895 153 158 ISU Internet Services Unit ISU, SA
32440 81 113 LONI, US
23024 52 109 OCDE, US
3267 45 95 RUNNET, RU
1916 40 250 Rede Nacional de Ensino e Pesquisa, BR
327700 39 45 MoRENet, MZ
200521 33 56 SEAP-AGE, ES
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
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 14:88
23:5 24:3 31:7 35:6 38:8 40:1
41:220 42:16 44:7 45:42 46:5 47:1
49:9 50:1 52:1 58:11 59:20 60:5
61:3 62:15 63:32 64:48 65:1 66:39
67:41 68:10 69:17 70:2 71:1 72:7
74:51 76:41 77:9 78:3 79:10 80:16
81:26 82:6 83:7 84:11 85:47 86:9
87:1 89:10 91:50 92:2 93:4 94:4
95:2 96:5 97:1 98:2 101:5 102:37
103:267 104:73 108:8 109:7 111:16 114:23
116:8 117:61 118:33 119:18 121:29 122:8
123:8 124:40 125:5 128:84 129:40 130:83
131:65 132:59 133:155 134:109 136:137 137:177
138:9 139:5 140:41 141:3 142:38 143:23
144:25 145:2 146:130 147:57 148:193 149:12
150:43 151:12 152:132 153:14 154:30 155:63
156:66 157:18 158:30 159:115 160:29 161:15
162:20 163:81 164:13 165:47 166:1 167:13
168:119 169:7 170:86 172:3 173:7 175:18
176:8 177:6 179:12 180:15 181:1 182:1
184:2 185:59 186:3 187:17 188:14 189:3
190:18 191:13 192:1450 193:308 194:144 195:92
196:201 197:317 198:464 199:276 200:325 201:37
202:617 203:423 204:351 205:128 206:187 207:146
208:72 209:113 210:193 211:15 212:159 213:5
214:8 216:82 217:9 218:22 219:6 220:15
222:3 223:14
End of report
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