[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PERN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Wed Dec 21 19:10:38 UTC 2022
IPv4 R&E Routing Table Report 19:10 GMT Wed 21 Dec, 2022
IPv4 BGP Table (R&E) as seen at PERN.
Report Website: https://bgp.nsrc.org/REN
Detailed Analysis: https://bgp.nsrc.org/REN/PERN/
Analysis Summary
----------------
BGP routing table entries examined: 18707
Prefixes after maximum aggregation (per Origin AS): 10639
Deaggregation factor: 1.76
Unique aggregates announced (without unneeded subnets): 11840
Number of IPv4 prefixes with a valid ROA: 4487
Number of IPv4 prefixes with an invalid ROA: 41
Number of IPv4 prefixes with no ROA: 14179
Total ASes present in the Internet Routing Table: 2800
Prefixes per ASN: 6.68
Origin-only ASes present in the Internet Routing Table: 2413
Origin ASes announcing only one prefix: 1082
Transit ASes present in the Internet Routing Table: 387
Transit-only ASes present in the Internet Routing Table: 74
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.7
Max AS path length visible: 21
Max AS path prepend of ASN ( 10497) 11
Prefixes from unregistered ASNs in the Routing Table: 5
Number of instances of unregistered ASNs: 5
Number of 32-bit ASNs allocated by the RIRs: 40950
Number of 32-bit ASNs visible in the Routing Table: 644
Prefixes from 32-bit ASNs in the Routing Table: 1817
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: 205152768
Equivalent to 12 /8s, 58 /16s and 98 /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: 2089
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 4689
Total APNIC prefixes after maximum aggregation: 2303
APNIC Deaggregation factor: 2.04
Prefixes being announced from the APNIC address blocks: 4691
Unique aggregates announced from the APNIC address blocks: 2629
APNIC Region origin ASes present in the Internet Routing Table: 585
APNIC Prefixes per ASN: 8.02
APNIC Region origin ASes announcing only one prefix: 252
APNIC Region transit ASes present in the Internet Routing Table: 65
Average APNIC Region AS path length visible: 4.9
Max APNIC Region AS path length visible: 17
Number of APNIC region 32-bit ASNs visible in the Routing Table: 228
Number of APNIC addresses announced to Internet: 45913600
Equivalent to 2 /8s, 188 /16s and 150 /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: 8058
Total ARIN prefixes after maximum aggregation: 4696
ARIN Deaggregation factor: 1.72
Prefixes being announced from the ARIN address blocks: 8075
Unique aggregates announced from the ARIN address blocks: 5255
ARIN Region origin ASes present in the Internet Routing Table: 1248
ARIN Prefixes per ASN: 6.47
ARIN Region origin ASes announcing only one prefix: 450
ARIN Region transit ASes present in the Internet Routing Table: 165
Average ARIN Region AS path length visible: 6.3
Max ARIN Region AS path length visible: 21
Number of ARIN region 32-bit ASNs visible in the Routing Table: 184
Number of ARIN addresses announced to Internet: 94424320
Equivalent to 5 /8s, 160 /16s and 205 /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: 3560
Total RIPE prefixes after maximum aggregation: 2854
RIPE Deaggregation factor: 1.25
Prefixes being announced from the RIPE address blocks: 3549
Unique aggregates announced from the RIPE address blocks: 2883
RIPE Region origin ASes present in the Internet Routing Table: 678
RIPE Prefixes per ASN: 5.23
RIPE Region origin ASes announcing only one prefix: 299
RIPE Region transit ASes present in the Internet Routing Table: 98
Average RIPE Region AS path length visible: 5.0
Max RIPE Region AS path length visible: 14
Number of RIPE region 32-bit ASNs visible in the Routing Table: 140
Number of RIPE addresses announced to Internet: 57913856
Equivalent to 3 /8s, 115 /16s and 178 /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: 1411
Total LACNIC prefixes after maximum aggregation: 583
LACNIC Deaggregation factor: 2.42
Prefixes being announced from the LACNIC address blocks: 1407
Unique aggregates announced from the LACNIC address blocks: 787
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: 60
LACNIC Region transit ASes present in the Internet Routing Table: 24
Average LACNIC Region AS path length visible: 7.1
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 65
Number of LACNIC addresses announced to Internet: 4216064
Equivalent to 0 /8s, 64 /16s and 85 /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: 984
Total AfriNIC prefixes after maximum aggregation: 198
AfriNIC Deaggregation factor: 4.97
Prefixes being announced from the AfriNIC address blocks: 984
Unique aggregates announced from the AfriNIC address blocks: 285
AfriNIC Region origin ASes present in the Internet Routing Table: 50
AfriNIC Prefixes per ASN: 19.68
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: 5.6
Max AfriNIC Region AS path length visible: 19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 27
Number of AfriNIC addresses announced to Internet: 2684672
Equivalent to 0 /8s, 40 /16s and 247 /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 576 2157 462 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
1237 186 74 134 KREONET-AS-KR KISTI, KR
58647 175 18 2 KAGAWAU-AS Kagawa University, JP
7575 171 329 118 AARNET-AS-AP Australian Academic and Re
4538 129 4192 73 ERX-CERNET-BKB China Education and Rese
55824 115 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/PERN/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
2152 204 507 92 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
18558 134 18 4 NETBLK-RCOEK, US
23024 113 7 17 OCDE, US
2920 108 34 7 LACOE, US
32531 90 6 60 FORDHAM-UNIVERSITY, US
21976 85 51 18 NJEDGE-NET, US
1736 81 16 1 MU-AS, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-ARIN
RIPE Region per AS prefix count summary
---------------------------------------
ASN No of nets /20 equiv MaxAgg Description
680 281 1935 249 DFN Verein zur Foerderung eines Deutsch
786 186 1775 183 JANET Jisc Services Limited, GB
8895 134 24 4 ISU Internet Services Unit ISU, SA
559 115 550 106 SWITCH Peering requests: peering at switch
1103 99 1520 86 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 63 599 58 FR-RENATER Reseau National de telecommu
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-RIPE
LACNIC Region per AS prefix count summary
-----------------------------------------
ASN No of nets /20 equiv MaxAgg Description
1916 157 208 43 Rede Nacional de Ensino e Pesquisa, BR
28391 153 10 67 Universidad Juarez Autonoma de Tabasco,
11340 97 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
4270 44 16 1 Red de Interconexion Universitaria, AR
61468 42 3 15 CEDIA, EC
19611 37 17 2 Associacao Antonio Vieira - Unisinos, B
263282 37 5 12 FUNDACAO UNIVERSIDADE DO OESTE DE SANTA
28571 36 40 18 UNIVERSIDADE DE SAO PAULO, BR
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-LACNIC
AfriNIC Region per AS prefix count summary
------------------------------------------
ASN No of nets /20 equiv MaxAgg Description
2018 347 319 66 TENET-1, ZA
36914 242 82 3 KENET-AS, KE
2561 67 4 34 EUN, EG
8094 48 48 15 PUKNET, ZA
327687 41 28 3 RENU, UG
327700 35 16 1 MoRENet, MZ
37182 33 8 1 TERNET, TZ
3208 32 2 1 ARN, DZ
6879 24 2 9 ENSTINET-, EG
37074 13 8 2 UG-AS, GH
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet-AFRINIC
Global Per AS prefix count summary
----------------------------------
ASN No of nets /20 equiv MaxAgg Description
2907 576 2157 462 SINET-AS Research Organization of Infor
7497 434 182 24 CSTNET-AS-AP Computer Network Informati
2018 347 319 66 TENET-1, ZA
680 281 1935 249 DFN Verein zur Foerderung eines Deutsch
36914 242 82 3 KENET-AS, KE
668 219 702 180 DNIC-AS-00668, US
2152 204 507 92 CSUNET-NW, US
376 200 178 149 RISQ-AS, CA
5786 199 16 1 UPRENET, PR
786 186 1775 183 JANET Jisc Services Limited, GB
Complete listing at https://bgp.nsrc.org/REN/PERN/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 347 281 TENET-1, ZA
36914 242 239 KENET-AS, KE
5786 199 198 UPRENET, PR
58647 175 173 KAGAWAU-AS Kagawa University, JP
8895 134 130 ISU Internet Services Unit ISU, SA
18558 134 130 NETBLK-RCOEK, US
1916 157 114 Rede Nacional de Ensino e Pesquisa, BR
2152 204 112 CSUNET-NW, US
55824 115 103 NKN-CORE-NW NKN Core Network, IN
Complete listing at https://bgp.nsrc.org/REN/PERN/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
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/PERN/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/PERN/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 /14:34 /15:122 /16:2006 /17:417 /18:444
/19:570 /20:878 /21:886 /22:1478 /23:1580 /24:10260
/25:0 /26:0 /27:0 /28:0 /29:0 /30:0
/31:0 /32:0
Advertised prefixes smaller than registry allocations
-----------------------------------------------------
ASN No of nets Total ann. Description
36914 229 242 KENET-AS, KE
8895 129 134 ISU Internet Services Unit ISU, SA
23024 52 113 OCDE, US
18632 34 65 VOLCANO-VISION, US
32440 34 49 LONI, US
37182 32 33 TERNET, TZ
46115 32 35 LUTHER, US
25977 30 44 HCCS, US
28614 30 36 Fundacao Universidade Regional de Blumenau, BR
200521 30 52 SEAP-AGE, ES
Complete listing at https://bgp.nsrc.org/REN/PERN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
1:4 5:15 6:4 8:2 12:1 14:85
18:43 23:7 24:3 31:7 35:4 37:1
38:9 40:1 41:144 42:10 44:5 45:38
46:5 47:1 49:10 50:4 52:1 58:1
59:20 60:4 61:3 62:10 63:37 64:57
65:5 66:48 67:44 68:8 69:21 70:2
71:1 72:7 74:50 76:38 77:9 78:3
79:10 80:17 81:28 82:8 83:6 84:5
85:41 86:5 87:1 88:1 89:10 91:46
92:1 93:4 94:4 95:4 96:5 97:3
98:2 101:6 102:11 103:321 104:72 107:16
108:8 109:10 110:4 111:16 114:23 116:6
117:61 118:32 119:23 121:27 122:8 123:8
124:39 125:4 128:86 129:42 130:88 131:63
132:61 133:147 134:99 136:199 137:75 138:9
139:6 140:57 141:1 142:39 143:31 144:23
145:2 146:129 147:59 148:193 149:12 150:130
151:7 152:72 153:14 154:27 155:52 156:68
157:34 158:38 159:116 160:26 161:20 162:21
163:78 164:10 165:51 166:1 167:16 168:106
169:10 170:73 171:1 172:2 173:7 175:30
176:8 177:10 179:10 180:17 181:1 182:6
184:4 185:47 186:3 187:19 188:13 189:3
190:18 191:36 192:1366 193:346 194:147 195:87
196:160 197:147 198:516 199:285 200:229 201:37
202:622 203:430 204:353 205:131 206:196 207:182
208:70 209:131 210:185 211:14 212:168 213:5
214:8 216:86 217:11 218:22 219:6 220:17
222:5 223:4
End of report
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