[REN-BGP-stats-all] IPv4 R&E Routing Table Report - SingAREN (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Tue Jan 31 20:00:44 UTC 2023


IPv4 R&E Routing Table Report   20:00 GMT Tue 31 Jan, 2023

  IPv4 BGP Table (R&E) as seen at SingAREN.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/SingAREN/

Analysis Summary
----------------

BGP routing table entries examined:                                3068
    Prefixes after maximum aggregation (per Origin AS):            2138
    Deaggregation factor:                                          1.43
    Unique aggregates announced (without unneeded subnets):        2434
    Number of IPv4 prefixes with a valid ROA:                       747
    Number of IPv4 prefixes with an invalid ROA:                      5
    Number of IPv4 prefixes with no ROA:                           2316
Total ASes present in the Internet Routing Table:                   638
    Prefixes per ASN:                                              4.81
Origin-only ASes present in the Internet Routing Table:             525
Origin ASes announcing only one prefix:                             276
Transit ASes present in the Internet Routing Table:                 113
Transit-only ASes present in the Internet Routing Table:             47
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:                                      14
    Max AS path prepend of ASN (207012)                               6
Prefixes from unregistered ASNs in the Routing Table:                 1
    Number of instances of unregistered ASNs:                         1
Number of 32-bit ASNs allocated by the RIRs:                      41157
Number of 32-bit ASNs visible in the Routing Table:                 154
Prefixes from 32-bit ASNs in the Routing Table:                     285
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:                     34236928
    Equivalent to 2 /8s, 10 /16s and 106 /24s
    Percentage of available address space announced:                0.9
    Percentage of allocated address space announced:                0.9
    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:         250

APNIC Region Analysis Summary
-----------------------------

Prefixes being announced by APNIC Region ASes:                     1627
    Total APNIC prefixes after maximum aggregation:                1087
    APNIC Deaggregation factor:                                    1.50
Prefixes being announced from the APNIC address blocks:            1628
    Unique aggregates announced from the APNIC address blocks:     1262
APNIC Region origin ASes present in the Internet Routing Table:     224
    APNIC Prefixes per ASN:                                        7.27
APNIC Region origin ASes announcing only one prefix:                103
APNIC Region transit ASes present in the Internet Routing Table:     14
Average APNIC Region AS path length visible:                        2.7
    Max APNIC Region AS path length visible:                          9
Number of APNIC region 32-bit ASNs visible in the Routing Table:     68
Number of APNIC addresses announced to Internet:               18563072
    Equivalent to 1 /8s, 27 /16s and 64 /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:                       162
    Total ARIN prefixes after maximum aggregation:                  103
    ARIN Deaggregation factor:                                     1.57
Prefixes being announced from the ARIN address blocks:              165
    Unique aggregates announced from the ARIN address blocks:       115
ARIN Region origin ASes present in the Internet Routing Table:       45
    ARIN Prefixes per ASN:                                         3.67
ARIN Region origin ASes announcing only one prefix:                  21
ARIN Region transit ASes present in the Internet Routing Table:      30
Average ARIN Region AS path length visible:                         4.5
    Max ARIN Region AS path length visible:                           7
Number of ARIN region 32-bit ASNs visible in the Routing Table:       8
Number of ARIN addresses announced to Internet:                  839168
    Equivalent to 0 /8s, 12 /16s and 206 /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:                       943
    Total RIPE prefixes after maximum aggregation:                  771
    RIPE Deaggregation factor:                                     1.22
Prefixes being announced from the RIPE address blocks:              939
    Unique aggregates announced from the RIPE address blocks:       778
RIPE Region origin ASes present in the Internet Routing Table:      268
    RIPE Prefixes per ASN:                                         3.50
RIPE Region origin ASes announcing only one prefix:                 121
RIPE Region transit ASes present in the Internet Routing Table:      39
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          10
Number of RIPE region 32-bit ASNs visible in the Routing Table:      50
Number of RIPE addresses announced to Internet:                14098176
    Equivalent to 0 /8s, 215 /16s and 31 /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:                     238
    Total LACNIC prefixes after maximum aggregation:                113
    LACNIC Deaggregation factor:                                   2.11
Prefixes being announced from the LACNIC address blocks:            238
    Unique aggregates announced from the LACNIC address blocks:     201
LACNIC Region origin ASes present in the Internet Routing Table:     25
    LACNIC Prefixes per ASN:                                       9.52
LACNIC Region origin ASes announcing only one prefix:                13
LACNIC Region transit ASes present in the Internet Routing Table:    15
Average LACNIC Region AS path length visible:                       8.6
    Max LACNIC Region AS path length visible:                        11
Number of LACNIC region 32-bit ASNs visible in the Routing Table:     7
Number of LACNIC addresses announced to Internet:                340992
    Equivalent to 0 /8s, 5 /16s and 52 /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:                     97
    Total AfriNIC prefixes after maximum aggregation:                63
    AfriNIC Deaggregation factor:                                  1.54
Prefixes being announced from the AfriNIC address blocks:            97
    Unique aggregates announced from the AfriNIC address blocks:     77
AfriNIC Region origin ASes present in the Internet Routing Table:    28
    AfriNIC Prefixes per ASN:                                      3.46
AfriNIC Region origin ASes announcing only one prefix:               18
AfriNIC Region transit ASes present in the Internet Routing Table:    6
Average AfriNIC Region AS path length visible:                      7.7
    Max AfriNIC Region AS path length visible:                       14
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   21
Number of AfriNIC addresses announced to Internet:               395264
    Equivalent to 0 /8s, 6 /16s and 8 /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         575       2140     459  SINET-AS Research Organization of Infor
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     119  AARNET-AS-AP Australian Academic and Re
 23767          30          3      10  A-STAR-AS-AP A-STAR, SG
134096          27          3      18  EHEALTHNSW-AS-AP eHealth NSW, AU
 24436          23         27      19  UQ-AS-AP University of Queensland, AU
  6262          22        128      17  CSIRO Commonwealth Scientific and Indus
 10148          19         20      18  UNIMELB-AS-AP The University of Melbour
 38022          18          3      13  REANNZ-NZ-AP REANNZ National Research a
  2506          16         52       6  SUPERCSI NTT WEST CHUGOKU CORPORATION, 

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-APNIC

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  6360          54         62       7  UNIVHAWAII, US
   806          16          1      12  SSC-299-806, CA
   668           7         16       6  DNIC-AS-00668, US
  2680           6          1       6  CDAGOVN, CA
   195           5          1       5  SDSC-AS, US
   228           4          2       4  DNIC-AS-00228, US
 23369           4          1       4  SCOE, US
 26020           4          0       4  STSCI-NET, US
393750           4          0       3  TRUMAN-STATE-UNIVERSITY, US
395400           4         16       2  UNIVERSITY-GUAM, GU

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-ARIN

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  3267          56         63      41  RUNNET, RU
  1653          50        151      47  SUNET SUNET Swedish University Network,
  1741          39        149      18  FUNETAS, FI
  3218          21          4      18  COSMOS-3218-AS AS-COSMOS root, RU
  8674          18          2      11  NETNOD-IX Netnod AB, SE
  8508          15         39       8  SILWEB-AS-EDU SILWEB Autonomous System 
   224          13        256      13  UNINETT UNINETT, The Norwegian Universi
  1101          12        465      12  IP-EEND-AS IP-EEND BV, NL
  1104          12         18      11  NIKHEF Nikhef, NL

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-RIPE

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
  3596          34          4       3  Universidad Autonoma Metropolitana, MX
264471           9          1       4  UNIVERSIDADE ESTADUAL DO OESTE DO PARAN
   278           6          0       5  Universidad Nacional Autonoma de Mexico
 28027           6          2       5  Escuela Superior Politecnica del Litora
  3640           4         14       4  C I C E S E, MX
 11340           3          0       3  Red Universitaria Nacional, CL
  4270           2          0       2  Red de Interconexion Universitaria, AR
  8151           2          0       2  Uninet S.A. de C.V., MX
 16596           2          2       2  Universidad Autonoma del Estado de Baja

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-LACNIC

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018          42         50      34  TENET-1, ZA
 37074          13          8       2  UG-AS, GH
 30983           4          4       1  MARWAN-AS, MA
328358           4          1       1  Makerere-AS, UG
328903           4          0       1  RITER, CI
327947           3          1       2  KNUST-, GH
328224           3          2       1  University-of-Energy-and-Natural-Resour
 37661           2          4       1  NRaE1-AS, NG
327705           2          2       1  FUTA, NG
328076           2          1       1  University-of-Mines-and-Technology, GH

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet-AFRINIC

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         575       2140     459  SINET-AS Research Organization of Infor
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         172        329     119  AARNET-AS-AP Australian Academic and Re
 28391         153         10      67  Universidad Juarez Autonoma de Tabasco,
  1103          96       1518      85  SURFNET-NL SURFnet, The Netherlands, NL
  3267          56         63      41  RUNNET, RU
  6360          54         62       7  UNIVHAWAII, US
  1653          50        151      47  SUNET SUNET Swedish University Network,
  2018          42         50      34  TENET-1, ZA
  1741          39        149      18  FUNETAS, FI

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-ASnet

Global Per AS Maximum Aggregation summary
-----------------------------------------

   ASN  No of nets  Net Savings  Description
 58647         175          173  KAGAWAU-AS Kagawa University, JP
 28391         153           86  Universidad Juarez Autonoma de Tabasco, MX
  7575         172           53  AARNET-AS-AP Australian Academic and Research N
  6360          54           47  UNIVHAWAII, US
  3596          34           31  Universidad Autonoma Metropolitana, MX
  1741          39           21  FUNETAS, FI
 23767          30           20  A-STAR-AS-AP A-STAR, SG
  3267          56           15  RUNNET, RU
  1103          96           11  SURFNET-NL SURFnet, The Netherlands, NL
 37074          13           11  UG-AS, GH

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US

Complete listing at https://bgp.nsrc.org/REN/SingAREN/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/SingAREN/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        /9:0       /10:0       /11:0       /12:2       
/13:1       /14:3       /15:16      /16:371     /17:70      /18:62      
/19:104     /20:145     /21:168     /22:272     /23:275     /24:1579    
/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
  3267          21          56  RUNNET, RU
  5387           8          10  NSC, RU
  8501           8           8  PIONIER-AS PIONIER, National Research and Educa
  3343           7           7  RUNNET-AS, RU
  9206           7           8  MAI Moscow Aviation Institute MAI, RU
  1653           6          50  SUNET SUNET Swedish University Network, EU
  8508           6          15  SILWEB-AS-EDU SILWEB Autonomous System - Academ
 15798           6           9  OLMAN-EDU-AS OLMAN, Metropolitan Area Network e
 25468           6           7  PL-POLRZE-AS Academic network in Rzeszow, Polan
 42236           6           6  ITRELATION-AS, DK

Complete listing at https://bgp.nsrc.org/REN/SingAREN/data-sXXas-nos

Number of /24s announced per /8 block (Global)
----------------------------------------------

  24:2        44:2        45:9        49:4        62:4        69:1      
  74:1        76:1        77:6        79:4        80:8        81:2      
  82:4        83:2        84:6        85:18       86:2        87:1      
  89:3        91:15       92:2        93:2        95:1       102:7      
 103:79      109:1       123:8       125:1       128:33      129:2      
 130:10      131:9       132:12      133:149     134:3       137:2      
 138:8       140:5       143:5       145:1       146:4       147:1      
 148:191     150:8       152:4       154:1       155:4       156:5      
 157:2       159:2       160:25      161:3       163:19      168:20     
 170:2       171:1       172:1       177:1       180:2       181:1      
 185:15      187:1       188:3       192:221     193:46      194:63     
 195:7       196:11      197:2       198:10      199:9       200:15     
 201:1       202:223     203:173     204:1       205:14      206:1      
 210:3       212:16      213:4       217:3       219:5      

End of report


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