[REN-BGP-stats-all] IPv4 R&E Routing Table Report - PERN (R&E) view
REN Routing Table Report
cscora at frr.nsrc.org
Thu Aug 25 19:10:34 UTC 2022
IPv4 R&E Routing Table Report 19:10 GMT Thu 25 Aug, 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: 872
Prefixes after maximum aggregation (per Origin AS): 618
Deaggregation factor: 1.41
Unique aggregates announced (without unneeded subnets): 821
Number of IPv4 prefixes with a valid ROA: 244
Number of IPv4 prefixes with an invalid ROA: 29
Number of IPv4 prefixes with no ROA: 599
Total ASes present in the Internet Routing Table: 231
Prefixes per ASN: 3.77
Origin-only ASes present in the Internet Routing Table: 150
Origin ASes announcing only one prefix: 84
Transit ASes present in the Internet Routing Table: 81
Transit-only ASes present in the Internet Routing Table: 36
Paths with bogon ASNs present in the IPv4 Routing Table: 0
Average AS path length visible in the Internet Routing Table: 5.4
Max AS path length visible: 14
Max AS path prepend of ASN ( 5653) 7
Prefixes from unregistered ASNs in the Routing Table: 0
Number of instances of unregistered ASNs: 0
Number of 32-bit ASNs allocated by the RIRs: 40050
Number of 32-bit ASNs visible in the Routing Table: 23
Prefixes from 32-bit ASNs in the Routing Table: 35
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: 0
Number of addresses announced to Internet: 2063872
Equivalent to 0 /8s, 31 /16s and 126 /24s
Percentage of available address space announced: 0.1
Percentage of allocated address space announced: 0.1
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: 88
APNIC Region Analysis Summary
-----------------------------
Prefixes being announced by APNIC Region ASes: 260
Total APNIC prefixes after maximum aggregation: 171
APNIC Deaggregation factor: 1.52
Prefixes being announced from the APNIC address blocks: 260
Unique aggregates announced from the APNIC address blocks: 234
APNIC Region origin ASes present in the Internet Routing Table: 53
APNIC Prefixes per ASN: 4.91
APNIC Region origin ASes announcing only one prefix: 20
APNIC Region transit ASes present in the Internet Routing Table: 25
Average APNIC Region AS path length visible: 5.0
Max APNIC Region AS path length visible: 11
Number of APNIC region 32-bit ASNs visible in the Routing Table: 14
Number of APNIC addresses announced to Internet: 434944
Equivalent to 0 /8s, 6 /16s and 163 /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: 494
Total ARIN prefixes after maximum aggregation: 350
ARIN Deaggregation factor: 1.41
Prefixes being announced from the ARIN address blocks: 494
Unique aggregates announced from the ARIN address blocks: 470
ARIN Region origin ASes present in the Internet Routing Table: 111
ARIN Prefixes per ASN: 4.45
ARIN Region origin ASes announcing only one prefix: 51
ARIN Region transit ASes present in the Internet Routing Table: 36
Average ARIN Region AS path length visible: 5.6
Max ARIN Region AS path length visible: 12
Number of ARIN region 32-bit ASNs visible in the Routing Table: 6
Number of ARIN addresses announced to Internet: 1578496
Equivalent to 0 /8s, 24 /16s and 22 /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: 61
Total RIPE prefixes after maximum aggregation: 47
RIPE Deaggregation factor: 1.30
Prefixes being announced from the RIPE address blocks: 62
Unique aggregates announced from the RIPE address blocks: 62
RIPE Region origin ASes present in the Internet Routing Table: 17
RIPE Prefixes per ASN: 3.65
RIPE Region origin ASes announcing only one prefix: 8
RIPE Region transit ASes present in the Internet Routing Table: 6
Average RIPE Region AS path length visible: 4.8
Max RIPE Region AS path length visible: 6
Number of RIPE region 32-bit ASNs visible in the Routing Table: 2
Number of RIPE addresses announced to Internet: 20992
Equivalent to 0 /8s, 0 /16s and 82 /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: 56
Total LACNIC prefixes after maximum aggregation: 49
LACNIC Deaggregation factor: 1.14
Prefixes being announced from the LACNIC address blocks: 55
Unique aggregates announced from the LACNIC address blocks: 54
LACNIC Region origin ASes present in the Internet Routing Table: 13
LACNIC Prefixes per ASN: 4.23
LACNIC Region origin ASes announcing only one prefix: 4
LACNIC Region transit ASes present in the Internet Routing Table: 8
Average LACNIC Region AS path length visible: 6.6
Max LACNIC Region AS path length visible: 14
Number of LACNIC region 32-bit ASNs visible in the Routing Table: 1
Number of LACNIC addresses announced to Internet: 29184
Equivalent to 0 /8s, 0 /16s and 114 /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: 1
Total AfriNIC prefixes after maximum aggregation: 1
AfriNIC Deaggregation factor: 1.00
Prefixes being announced from the AfriNIC address blocks: 1
Unique aggregates announced from the AfriNIC address blocks: 1
AfriNIC Region origin ASes present in the Internet Routing Table: 1
AfriNIC Prefixes per ASN: 1.00
AfriNIC Region origin ASes announcing only one prefix: 1
AfriNIC Region transit ASes present in the Internet Routing Table: 0
Average AfriNIC Region AS path length visible: 7.0
Max AfriNIC Region AS path length visible: 7
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 0
Number of AfriNIC addresses announced to Internet: 256
Equivalent to 0 /8s, 0 /16s and 1 /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
45773 44 3 8 HECPERN-AS-PK PERN AS Content Servie Pr
24363 28 18 20 CNGI-JNN-IX-AS-AP CERNET2 IX at Shandon
24361 27 19 14 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeas
1659 18 5 18 ERX-TANET-ASN1 Taiwan Academic Network
9270 15 4 6 APAN-KR-AS National Infomation Society
24362 14 6 11 CNGI-HEF-IX-AS-AP CERNET2 IX at Univers
138371 14 6 6 CNGI-QDA-IX-AS-AP CERNET2 regional IX a
4621 7 0 6 UNINET-AS-AP UNINET-, TH
24355 7 3 5 CNGI-CD-IX-AS-AP CERNET2 IX at Universi
23910 6 1 6 CNGI-CERNET2-AS-AP China Next Generatio
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
376 76 6 54 RISQ-AS, CA
6360 47 7 31 UNIVHAWAII, US
3112 21 5 21 OARNET-AS-1, US
30674 16 16 1 BAYLORU, US
32666 16 16 1 CWRU-AS-1, US
3464 14 34 6 ASC-NET, US
25935 14 16 1 WNYRIC-NET, US
237 13 61 9 MERIT-AS-14, US
3450 13 26 4 UTK, US
3754 10 1 6 NYSERNET3-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
8895 17 1 15 ISU Internet Services Unit ISU, SA
5408 11 1 10 GR-NET www.grnet.gr, GR
47862 11 1 3 ANKABUT, AE
51182 4 1 1 UAEU, AE
789 2 0 2 IN2P3 IN2P3 Autonomous System, EU
2200 2 1 2 FR-RENATER Reseau National de telecommu
8248 2 0 2 GR-EDUNET, GR
8517 2 0 2 ULAKNET, TR
50999 2 0 2 KAUST-AS1, SA
766 1 0 1 REDIRIS RedIRIS Autonomous System, ES
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
3597 22 2 16 Fundacion InnovaT, AR
20191 10 1 9 Pontificia Universidad Catolica de Chil
278 5 0 5 Universidad Nacional Autonoma de Mexico
11340 5 0 5 Red Universitaria Nacional, CL
4270 2 0 2 Red de Interconexion Universitaria, AR
18592 2 2 2 Corporacion Universitaria para el Desar
27676 2 0 2 ALMA - Atacama Large Millimeter Array,
27817 2 0 2 Red Nacional Academica de Tecnologia Av
263204 2 0 2 UNIVERSIDAD NACIONAL DEL NORDESTE, AR
1251 1 0 1 FUNDACAO DE AMPARO A PESQUISA DO ESTADO
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
30983 1 0 1 MARWAN-AS, MA
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
376 76 6 54 RISQ-AS, CA
6360 47 7 31 UNIVHAWAII, US
45773 44 3 8 HECPERN-AS-PK PERN AS Content Servie Pr
24363 28 18 20 CNGI-JNN-IX-AS-AP CERNET2 IX at Shandon
24361 27 19 14 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeas
3597 22 2 16 Fundacion InnovaT, AR
3112 21 5 21 OARNET-AS-1, US
1659 18 5 18 ERX-TANET-ASN1 Taiwan Academic Network
8895 17 1 15 ISU Internet Services Unit ISU, SA
30674 16 16 1 BAYLORU, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-ASnet
Global Per AS Maximum Aggregation summary
-----------------------------------------
ASN No of nets Net Savings Description
45773 44 36 HECPERN-AS-PK PERN AS Content Servie Provider,
6360 47 16 UNIVHAWAII, US
30674 16 15 BAYLORU, US
32666 16 15 CWRU-AS-1, US
24361 27 13 CNGI-NJ-IX-AS-AP CERNET2 IX at Southeast Univer
25935 14 13 WNYRIC-NET, US
9270 15 9 APAN-KR-AS National Infomation Society Agency,
3450 13 9 UTK, US
24363 28 8 CNGI-JNN-IX-AS-AP CERNET2 IX at Shandong Univer
3464 14 8 ASC-NET, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-CIDRnet
Number of prefixes announced per prefix length (Global)
-------------------------------------------------------
/1:0 /2:0 /3:0 /4:0 /5:0 /6:0
/7:0 /8:0 /9:0 /10:0 /11:0 /12:0
/13:0 /14:0 /15:0 /16:4 /17:13 /18:28
/19:34 /20:77 /21:52 /22:54 /23:83 /24:527
/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
8895 17 17 ISU Internet Services Unit ISU, SA
47862 11 11 ANKABUT, AE
5408 9 11 GR-NET www.grnet.gr, GR
38 6 7 UIUC, US
5653 5 6 UCSF, US
51182 4 4 UAEU, AE
3685 3 3 BUFFALO-ASN, US
6325 3 4 ILLINOIS-CENTURY, US
8248 2 2 GR-EDUNET, GR
11096 2 2 FLORIDANET, US
Complete listing at https://bgp.nsrc.org/REN/PERN/data-sXXas-nos
Number of /24s announced per /8 block (Global)
----------------------------------------------
45:1 50:1 58:1 62:5 64:5 67:1
69:1 72:2 74:2 81:2 83:3 88:1
103:15 104:2 108:2 109:5 111:16 121:25
128:43 129:8 130:10 131:4 132:12 134:2
137:3 138:1 139:1 140:6 142:4 144:1
146:15 147:7 149:6 152:1 159:5 161:1
162:2 163:5 164:1 165:1 167:6 168:30
169:4 170:2 176:8 179:1 182:4 185:1
187:1 190:2 192:14 193:5 194:1 195:1
196:1 198:13 199:16 200:2 201:1 202:39
203:8 204:2 205:5 206:52 207:41 208:2
209:6 210:6 212:16 216:4 220:2 222:2
End of report
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