[REN-BGP-stats-all] IPv4 R&E Routing Table Report - URAN (R&E) view
REN Routing Table Report
cscora at bgp.nsrc.org
Sat Jan 20 17:10:40 UTC 2024
IPv4 R&E Routing Table Report 17:10 GMT Sat 20 Jan, 2024
IPv4 BGP Table (R&E) as seen at URAN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/URAN/
Analysis Summary
----------------
BGP routing table entries examined: 18520
Prefixes after maximum aggregation (per Origin AS): 10316
Deaggregation factor: 1.80
Unique aggregates announced (without unneeded subnets): 11423
Number of IPv4 prefixes with a valid ROA: 5635
Number of IPv4 prefixes with an invalid ROA: 0
Number of IPv4 prefixes with no ROA: 12885
Total ASes present in the Internet Routing Table: 2633
Prefixes per ASN: 7.03
Origin-only ASes present in the Internet Routing Table: 2275
Origin ASes announcing only one prefix: 1026
Transit ASes present in the Internet Routing Table: 358
Transit-only ASes present in the Internet Routing Table: 63
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 4.7
Max AS path length visible: 16
Max AS path prepend of ASN ( 47805) 11
Prefixes from unregistered ASNs in the Routing Table: 15
Number of instances of unregistered ASNs: 15
Number of 32-bit ASNs allocated by the RIRs: 43429
Number of 32-bit ASNs visible in the Routing Table: 621
Prefixes from 32-bit ASNs in the Routing Table: 1928
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: 202249376
Equivalent to 12 /8s, 14 /16s and 20 /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: 2240
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4650
Total APNIC prefixes after maximum aggregation: 2262
APNIC Deaggregation factor: 2.06
Prefixes being announced from the APNIC address blocks: 4650
Unique aggregates announced from the APNIC address blocks: 2566
APNIC Region origin ASes present in the Internet Routing Table: 537
APNIC Prefixes per ASN: 8.66
APNIC Region origin ASes announcing only one prefix: 233
APNIC Region transit ASes present in the Internet Routing Table: 55
Average APNIC Region AS path length visible: 4.5
Max APNIC Region AS path length visible: 16
Number of APNIC region 32-bit ASNs visible in the Routing Table: 208
Number of APNIC addresses announced to Internet: 45478464
Equivalent to 2 /8s, 181 /16s and 242 /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: 8035
Total ARIN prefixes after maximum aggregation: 4674
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8065
Unique aggregates announced from the ARIN address blocks: 5198
ARIN Region origin ASes present in the Internet Routing Table: 1236
ARIN Prefixes per ASN: 6.53
ARIN Region origin ASes announcing only one prefix: 431
ARIN Region transit ASes present in the Internet Routing Table: 154
Average ARIN Region AS path length visible: 5.2
Max ARIN Region AS path length visible: 15
Number of ARIN region 32-bit ASNs visible in the Routing Table: 193
Number of ARIN addresses announced to Internet: 92828736
Equivalent to 5 /8s, 136 /16s and 116 /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: 3368
Total RIPE prefixes after maximum aggregation: 2699
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3355
Unique aggregates announced from the RIPE address blocks: 2740
RIPE Region origin ASes present in the Internet Routing Table: 615
RIPE Prefixes per ASN: 5.46
RIPE Region origin ASes announcing only one prefix: 281
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 3.8
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 135
Number of RIPE addresses announced to Internet: 57367808
Equivalent to 3 /8s, 107 /16s and 93 /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: 1207
Total LACNIC prefixes after maximum aggregation: 497
LACNIC Deaggregation factor: 2.43
Prefixes being announced from the LACNIC address blocks: 1204
Unique aggregates announced from the LACNIC address blocks: 699
LACNIC Region origin ASes present in the Internet Routing Table: 134
LACNIC Prefixes per ASN: 8.99
LACNIC Region origin ASes announcing only one prefix: 57
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 5.8
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 59
Number of LACNIC addresses announced to Internet: 3951392
Equivalent to 0 /8s, 60 /16s and 75 /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: 1245
Total AfriNIC prefixes after maximum aggregation: 172
AfriNIC Deaggregation factor: 7.24
Prefixes being announced from the AfriNIC address blocks: 1245
Unique aggregates announced from the AfriNIC address blocks: 219
AfriNIC Region origin ASes present in the Internet Routing Table: 45
AfriNIC Prefixes per ASN: 27.67
AfriNIC Region origin ASes announcing only one prefix: 24
AfriNIC Region transit ASes present in the Internet Routing Table: 7
Average AfriNIC Region AS path length visible: 3.7
Max AfriNIC Region AS path length visible: 12
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 26
Number of AfriNIC addresses announced to Internet: 2622720
Equivalent to 0 /8s, 40 /16s and 5 /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 595 2162 465 SINET-AS Research Organization of Infor
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
1237 196 74 142 KREONET-AS-KR KISTI, KR
4538 181 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 128 19 18 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/URAN/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
376 200 162 150 RISQ-AS, CA
5786 196 16 1 UPRENET, PR
2152 145 507 93 CSUNET-NW, US
18558 141 18 4 NETBLK-RCOEK, US
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 103 34 7 LACOE, US
Complete listing at https://bgp.nsrc.org/REN/URAN/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 157 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
2614 93 27 73 ROEDUNET, RO
137 81 676 77 ASGARR Consortium GARR, IT
1930 79 88 74 RCCN Fundacao para a Ciencia e a Tecnol
553 78 462 78 BELWUE BelWue-Koordination, DE
2200 62 598 57 FR-RENATER Reseau National de telecommu
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 173 176 43 Rede Nacional de Ensino e Pesquisa, BR
28391 154 10 67 Universidad Juarez Autonoma de Tabasco,
11340 106 24 50 Red Universitaria Nacional, CL
271640 68 8 1 UNIVERSIDADE FEDERAL DE VICOSA, BR
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
3596 35 4 3 Universidad Autonoma Metropolitana, MX
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
36914 480 82 3 KENET-AS, KE
2018 381 319 71 TENET-1, ZA
327687 163 28 3 RENU, UG
8094 47 48 18 PUKNET, ZA
327700 44 16 1 MoRENet, MZ
6879 24 2 9 ENSTINET-, EG
37215 11 8 1 MAREN, MW
37501 11 49 6 UOFS, ZA
37654 11 1 6 RwEdNet-AS, RW
36982 8 33 8 UCT, ZA
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 595 2162 465 SINET-AS Research Organization of Infor
36914 480 82 3 KENET-AS, KE
7497 439 180 23 CSTNET-AS-AP Computer Network Informati
2018 381 319 71 TENET-1, ZA
680 283 1899 249 DFN Verein zur Foerderung eines Deutsch
668 204 652 173 DNIC-AS-00668, US
376 200 162 150 RISQ-AS, CA
1237 196 74 142 KREONET-AS-KR KISTI, KR
5786 196 16 1 UPRENET, PR
786 185 1767 182 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/URAN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
36914 480 477 KENET-AS, KE
7497 439 416 CSTNET-AS-AP Computer Network Information Cente
2018 381 310 TENET-1, ZA
5786 196 195 UPRENET, PR
58647 180 178 KAGAWAU-AS Kagawa University, JP
327687 163 160 RENU, UG
8895 157 152 ISU Internet Services Unit ISU, SA
18558 141 137 NETBLK-RCOEK, US
1916 173 130 Rede Nacional de Ensino e Pesquisa, BR
55824 128 110 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/URAN/data-CIDRnet
List of Unregistered Origin ASNs (Global)
-----------------------------------------
Bad AS Designation Net Originated Transit AS Transit AS Name
26303 UNALLOCATED 76.165.220.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.221.0/24 32440 LONI, US
26303 UNALLOCATED 76.165.222.0/24 32440 LONI, US
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
Complete listing at https://bgp.nsrc.org/REN/URAN/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/URAN/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 /16:2009 /17:426 /18:449
/19:557 /20:820 /21:838 /22:1427 /23:1482 /24:10120
/25:79 /26:51 /27:74 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 465 480 KENET-AS, KE
8895 152 157 ISU Internet Services Unit ISU, SA
32440 81 113 LONI, US
23024 52 109 OCDE, US
327700 40 44 MoRENet, MZ
28614 32 38 Fundacao Universidade Regional de Blumenau, BR
46115 32 35 LUTHER, US
200521 31 53 SEAP-AGE, ES
25977 30 44 HCCS, US
27609 29 45 USC-UNIVERSITY-HOSPITAL, US
Complete listing at https://bgp.nsrc.org/REN/URAN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:2 5:15 6:4 8:2 12:1 14:89
23:5 24:3 31:7 35:6 38:8 40:1
41:175 42:16 44:7 45:35 46:5 47:1
49:9 50:1 52:1 58:11 59:20 60:6
61:3 62:6 63:32 64:49 65:1 66:41
67:41 68:10 69:17 70:2 71:1 72:7
74:51 76:41 77:8 78:3 79:10 80:10
81:24 82:4 83:6 84:7 85:26 86:3
87:1 89:10 91:48 93:4 94:4 95:2
96:5 97:1 98:2 101:5 102:34 103:266
104:76 108:8 109:7 111:16 114:24 116:8
117:61 118:33 119:19 121:28 122:8 123:8
124:40 125:5 128:85 129:39 130:83 131:65
132:52 133:155 134:109 136:195 137:136 138:57
139:5 140:39 141:3 142:38 143:22 144:25
145:2 146:133 147:56 148:193 149:12 150:43
151:12 152:132 153:14 154:30 155:63 156:67
157:18 158:32 159:115 160:30 161:15 162:20
163:80 164:13 165:47 166:1 167:13 168:105
169:7 170:18 172:3 173:7 175:18 176:8
177:5 179:11 180:15 181:1 182:1 184:2
185:48 186:3 187:17 188:12 189:3 190:18
191:13 192:1449 193:255 194:122 195:70 196:202
197:328 198:465 199:275 200:227 201:37 202:624
203:422 204:352 205:130 206:187 207:145 208:72
209:113 210:193 211:15 212:157 213:2 214:8
216:82 217:9 218:22 219:5 220:15 222:3
223:14
End of report
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