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

REN Routing Table Report cscora at frr.nsrc.org
Sun Dec 12 19:10:29 UTC 2021


Global R&E Routing Table Report   19:10 GMT Sun 12 Dec, 2021

  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:                               15463
    Prefixes after maximum aggregation (per Origin AS):            8986
    Deaggregation factor:                                          1.72
    Unique aggregates announced (without unneeded subnets):        9966
Total ASes present in the Internet Routing Table:                  2337
    Prefixes per ASN:                                              6.62
Origin-only ASes present in the Internet Routing Table:            2003
Origin ASes announcing only one prefix:                             927
Transit ASes present in the Internet Routing Table:                 334
Transit-only ASes present in the Internet Routing Table:             50
Average AS path length visible in the Internet Routing Table:       7.4
    Max AS path length visible:                                      19
    Max AS path prepend of ASN (211089)                              11
Prefixes from unregistered ASNs in the Routing Table:                 2
    Number of instances of unregistered ASNs:                         2
Number of 32-bit ASNs allocated by the RIRs:                      38065
Number of 32-bit ASNs visible in the Routing Table:                 493
Prefixes from 32-bit ASNs in the Routing Table:                    1366
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:                    186258176
    Equivalent to 11 /8s, 26 /16s and 19 /24s
    Percentage of available address space announced:                5.0
    Percentage of allocated address space announced:                5.0
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:        1468

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

Prefixes being announced by APNIC Region ASes:                     3618
    Total APNIC prefixes after maximum aggregation:                1682
    APNIC Deaggregation factor:                                    2.15
Prefixes being announced from the APNIC address blocks:            3619
    Unique aggregates announced from the APNIC address blocks:     1913
APNIC Region origin ASes present in the Internet Routing Table:     482
    APNIC Prefixes per ASN:                                        7.51
APNIC Region origin ASes announcing only one prefix:                204
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        5.9
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    209
Number of APNIC addresses announced to Internet:               32571648
    Equivalent to 1 /8s, 241 /16s and 1 /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:                      7804
    Total ARIN prefixes after maximum aggregation:                 4484
    ARIN Deaggregation factor:                                     1.74
Prefixes being announced from the ARIN address blocks:             7818
    Unique aggregates announced from the ARIN address blocks:      5015
ARIN Region origin ASes present in the Internet Routing Table:     1190
    ARIN Prefixes per ASN:                                         6.57
ARIN Region origin ASes announcing only one prefix:                 434
ARIN Region transit ASes present in the Internet Routing Table:     154
Average ARIN Region AS path length visible:                         9.2
    Max ARIN Region AS path length visible:                          19
Number of ARIN region 32-bit ASNs visible in the Routing Table:     157
Number of ARIN addresses announced to Internet:                93483264
    Equivalent to 5 /8s, 146 /16s and 113 /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:                      2960
    Total RIPE prefixes after maximum aggregation:                 2552
    RIPE Deaggregation factor:                                     1.16
Prefixes being announced from the RIPE address blocks:             2949
    Unique aggregates announced from the RIPE address blocks:      2586
RIPE Region origin ASes present in the Internet Routing Table:      567
    RIPE Prefixes per ASN:                                         5.20
RIPE Region origin ASes announcing only one prefix:                 274
RIPE Region transit ASes present in the Internet Routing Table:      92
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          16
Number of RIPE region 32-bit ASNs visible in the Routing Table:     115
Number of RIPE addresses announced to Internet:                57289984
    Equivalent to 3 /8s, 106 /16s and 45 /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:                     214
    Total LACNIC prefixes after maximum aggregation:                102
    LACNIC Deaggregation factor:                                   2.10
Prefixes being announced from the LACNIC address blocks:            211
    Unique aggregates announced from the LACNIC address blocks:     186
LACNIC Region origin ASes present in the Internet Routing Table:     19
    LACNIC Prefixes per ASN:                                      11.11
LACNIC Region origin ASes announcing only one prefix:                 9
LACNIC Region transit ASes present in the Internet Routing Table:     6
Average LACNIC Region AS path length visible:                      12.3
    Max LACNIC Region AS path length visible:                        17
Number of LACNIC region 32-bit ASNs visible in the Routing Table:     3
Number of LACNIC addresses announced to Internet:                407552
    Equivalent to 0 /8s, 6 /16s and 56 /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:                    865
    Total AfriNIC prefixes after maximum aggregation:               164
    AfriNIC Deaggregation factor:                                  5.27
Prefixes being announced from the AfriNIC address blocks:           865
    Unique aggregates announced from the AfriNIC address blocks:    265
AfriNIC Region origin ASes present in the Internet Routing Table:    27
    AfriNIC Prefixes per ASN:                                     32.04
AfriNIC Region origin ASes announcing only one prefix:                6
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      5.5
    Max AfriNIC Region AS path length visible:                       11
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    9
Number of AfriNIC addresses announced to Internet:              2505472
    Equivalent to 0 /8s, 38 /16s and 59 /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
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  1237         185         74     135  KREONET-AS-KR KISTI, KR
  7575         176        329     122  AARNET-AS-AP Australian Academic and Re
  4538         127       4192      72  ERX-CERNET-BKB China Education and Rese
 55824         114         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          80         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T
 23570          59          5      11  INCHEON-AS-KR UNIVERSITY OF INCHEON, KR
  1659          55       1466      35  ERX-TANET-ASN1 Taiwan Academic Network 
  2697          54          3      32  ERX-ERNET-AS Education and Research Net

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
  7896         251         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         147        507      86  CSUNET-NW, US
 18558         135         18       4  NETBLK-RCOEK, US
  2920         108         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
     3          77        496      15  MIT-GATEWAYS, 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         280       1950     246  DFN Verein zur Foerderung eines Deutsch
   786         186       1774     183  JANET Jisc Services Limited, GB
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103          97       1520      84  SURFNET-NL SURFnet, The Netherlands, NL
   137          82        677      77  ASGARR Consortium GARR, IT
   553          72        449      72  BELWUE BelWue-Koordination, DE
  2200          67        647      61  FR-RENATER Reseau National de telecommu
  2614          59         33      57  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol
  1653          53        167      50  SUNET SUNET Swedish University Network,

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
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 28571          16         23       4  UNIVERSIDADE DE SAO PAULO, BR
   278          14         32       2  Universidad Nacional Autonoma de Mexico
  1251           7          1       7  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 52888           4          0       4  UNIVERSIDADE FEDERAL DE SAO CARLOS, BR
  3640           3         14       3  C I C E S E, MX
 52890           3          1       1  Centro Integrado de Telematica do Exerc
  8151           2          0       2  Uninet S.A. de C.V., MX
 18592           2          0       2  Corporacion Universitaria para el Desar
 27922           2          1       2  Smithsonian Tropical Research Institute

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         356        319      74  TENET-1, ZA
 36914         204         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327700          42         16       1  MoRENet, MZ
327687          37         28       3  RENU, UG
  6879          24          2       9  ENSTINET-, EG
 37182          13          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 36982           8         33       8  UCT, ZA

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
  7497         430        182      24  CSTNET-AS-AP Computer Network Informati
  2018         356        319      74  TENET-1, ZA
   680         280       1950     246  DFN Verein zur Foerderung eines Deutsch
  7896         251         51       7  NU-AS, US
   668         212        702     180  DNIC-AS-00668, US
 36914         204         82       3  KENET-AS, KE
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
   786         186       1774     183  JANET Jisc Services Limited, GB
  1237         185         74     135  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
  2018         356          282  TENET-1, ZA
  7896         251          244  NU-AS, US
 36914         204          201  KENET-AS, KE
  5786         200          199  UPRENET, PR
 18558         135          131  NETBLK-RCOEK, US
 55824         114          103  NKN-CORE-NW NKN Core Network, IN
  2920         108          102  LACOE, US
 28391         152           86  Universidad Juarez Autonoma de Tabasco, MX
  1736          80           79  MU-AS, US
  4621          80           70  UNINET-AS-AP UNINET-, TH

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
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, 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      
/13:17      /14:34      /15:122     /16:1779    /17:322     /18:359     
/19:485     /20:717     /21:734     /22:1157    /23:1261    /24:8462    
/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         190         204  KENET-AS, KE
 23024          53          56  OCDE, US
327700          36          42  MoRENet, MZ
 25977          31          45  HCCS, US
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US
 40326          29          33  ECKERD-COLLEGE, US
200521          29          48  SEAP-AGE, ES
 30220          25          26  SWTELCOOP, US
 36794          24          26  SCOCA, US

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        14:84     
  18:42       23:7        24:1        31:6        37:6        38:9      
  40:1        41:126      42:8        44:5        45:14       46:6      
  47:1        49:10       50:1        52:1        59:20       60:4      
  61:3        62:6        63:34       64:52       66:36       67:43     
  68:8        69:20       71:1        72:13       74:20       76:33     
  77:6        78:3        79:10       80:10       81:24       82:2      
  83:7        84:5        85:19       86:6        87:1        88:1      
  89:10       91:33       93:19       94:4        95:5        96:5      
  97:1        98:2       101:6       102:6       103:299     104:12     
 106:1       107:1       108:10      109:2       110:3       111:16     
 112:4       114:23      116:5       117:61      118:32      119:21     
 121:25      122:8       123:8       124:39      125:4       128:85     
 129:172     130:93      131:81      132:58      134:103     136:192    
 137:81      138:8       139:5       140:50      141:2       142:40     
 143:26      144:50      145:1       146:15      147:59      148:159    
 149:13      150:37      151:6       152:29      153:11      154:26     
 155:51      156:68      157:17      158:42      159:117     161:17     
 162:27      163:54      164:17      165:51      166:1       167:12     
 168:98      169:10      170:9       172:2       173:2       175:29     
 177:2       178:1       180:21      182:6       184:7       185:32     
 187:1       188:12      192:1236    193:238     194:113     195:90     
 196:149     197:111     198:450     199:272     200:12      201:1      
 202:452     203:413     204:319     205:171     206:185     207:169    
 208:55      209:114     210:183     211:14      212:41      213:2      
 214:7       216:86      217:13      218:25      219:3       220:17     
 222:5       223:2      

End of report


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