[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


More information about the ren-bgp-stats-all mailing list