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

REN Routing Table Report cscora at frr.nsrc.org
Sun Feb 27 17:15:30 UTC 2022


IPv4 R&E Routing Table Report   17:15 GMT Sun 27 Feb, 2022

  BGP Table (R&E) as seen at Janet.

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

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

BGP routing table entries examined:                               18450
    Prefixes after maximum aggregation (per Origin AS):           10505
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11639
    Number of IPv4 prefixes with a valid ROA:                      3727
    Number of IPv4 prefixes with an invalid ROA:                      0
    Number of IPv4 prefixes with no ROA:                          14723
Total ASes present in the Internet Routing Table:                  2743
    Prefixes per ASN:                                              6.73
Origin-only ASes present in the Internet Routing Table:            2372
Origin ASes announcing only one prefix:                            1096
Transit ASes present in the Internet Routing Table:                 371
Transit-only ASes present in the Internet Routing Table:             50
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 4
    Number of instances of unregistered ASNs:                         4
Number of 32-bit ASNs allocated by the RIRs:                      38680
Number of 32-bit ASNs visible in the Routing Table:                 630
Prefixes from 32-bit ASNs in the Routing Table:                    1708
Number of bogon 32-bit ASNs visible in the Routing Table:             0
Special use prefixes present in the Routing Table:                    1
Prefixes being announced from unallocated address space:              2
Number of addresses announced to Internet:                    206975488
    Equivalent to 12 /8s, 86 /16s and 50 /24s
    Percentage of available address space announced:                5.6
    Percentage of allocated address space announced:                5.6
    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:        1883

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

Prefixes being announced by APNIC Region ASes:                     4702
    Total APNIC prefixes after maximum aggregation:                2327
    APNIC Deaggregation factor:                                    2.02
Prefixes being announced from the APNIC address blocks:            4703
    Unique aggregates announced from the APNIC address blocks:     2635
APNIC Region origin ASes present in the Internet Routing Table:     593
    APNIC Prefixes per ASN:                                        7.93
APNIC Region origin ASes announcing only one prefix:                257
APNIC Region transit ASes present in the Internet Routing Table:     66
Average APNIC Region AS path length visible:                        4.8
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    236
Number of APNIC addresses announced to Internet:               46165504
    Equivalent to 2 /8s, 192 /16s and 110 /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:                      8020
    Total ARIN prefixes after maximum aggregation:                 4647
    ARIN Deaggregation factor:                                     1.73
Prefixes being announced from the ARIN address blocks:             8034
    Unique aggregates announced from the ARIN address blocks:      5194
ARIN Region origin ASes present in the Internet Routing Table:     1212
    ARIN Prefixes per ASN:                                         6.63
ARIN Region origin ASes announcing only one prefix:                 439
ARIN Region transit ASes present in the Internet Routing Table:     154
Average ARIN Region AS path length visible:                         5.1
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     165
Number of ARIN addresses announced to Internet:                96185088
    Equivalent to 5 /8s, 187 /16s and 171 /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:                      3328
    Total RIPE prefixes after maximum aggregation:                 2727
    RIPE Deaggregation factor:                                     1.22
Prefixes being announced from the RIPE address blocks:             3314
    Unique aggregates announced from the RIPE address blocks:      2676
RIPE Region origin ASes present in the Internet Routing Table:      656
    RIPE Prefixes per ASN:                                         5.05
RIPE Region origin ASes announcing only one prefix:                 304
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         3.8
    Max RIPE Region AS path length visible:                          14
Number of RIPE region 32-bit ASNs visible in the Routing Table:     130
Number of RIPE addresses announced to Internet:                57717248
    Equivalent to 3 /8s, 112 /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:                    1494
    Total LACNIC prefixes after maximum aggregation:                612
    LACNIC Deaggregation factor:                                   2.44
Prefixes being announced from the LACNIC address blocks:           1495
    Unique aggregates announced from the LACNIC address blocks:     839
LACNIC Region origin ASes present in the Internet Routing Table:    178
    LACNIC Prefixes per ASN:                                       8.40
LACNIC Region origin ASes announcing only one prefix:                73
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       5.8
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    73
Number of LACNIC addresses announced to Internet:               4175872
    Equivalent to 0 /8s, 63 /16s and 184 /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:                    902
    Total AfriNIC prefixes after maximum aggregation:               188
    AfriNIC Deaggregation factor:                                  4.80
Prefixes being announced from the AfriNIC address blocks:           902
    Unique aggregates announced from the AfriNIC address blocks:    293
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.04
AfriNIC Region origin ASes announcing only one prefix:               23
AfriNIC Region transit ASes present in the Internet Routing Table:   12
Average AfriNIC Region AS path length visible:                      3.8
    Max AfriNIC Region AS path length visible:                        8
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2731264
    Equivalent to 0 /8s, 41 /16s and 173 /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         572       2157     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  1237         186         74     135  KREONET-AS-KR KISTI, KR
  4538         177       4192      72  ERX-CERNET-BKB China Education and Rese
  7575         175        330     122  AARNET-AS-AP Australian Academic and Re
 58647         167         18       2  KAGAWAU-AS Kagawa University, JP
 55824         129         19      22  NKN-CORE-NW NKN Core Network, IN
  4621          79         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

Complete listing at https://bgp.nsrc.org/REN/Janet/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         145        507      86  CSUNET-NW, US
 18558         136         18       4  NETBLK-RCOEK, US
   270         119        329      88  AS270, US
  2920         108         34       6  LACOE, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
   786         185       1772     180  JANET Jisc Services Limited, GB
  8895         143         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
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          66        647      61  FR-RENATER Reseau National de telecommu
  2614          63         30      60  ROEDUNET, RO
  1930          57         81      52  RCCN Fundacao para a Ciencia e a Tecnol

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         174        208      45  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          95         24      54  Red Universitaria Nacional, CL
  1251          60         37      20  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
 52286          54          4      31  Columbus Networks Guatemala, GT
 19611          45         17       2  Associacao Antonio Vieira - Unisinos, B
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          41          3      15  CEDIA, EC
 28614          38          2       2  Fundacao Universidade Regional de Blume

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         361        319      74  TENET-1, ZA
 36914         200         82       3  KENET-AS, KE
  2561          73          5      32  EUN, EG
  8094          50         48       4  PUKNET, ZA
327687          40         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37074          13          8       2  UG-AS, GH
 37182          13          8       1  TERNET, TZ
 37501          11         49       6  UOFS, ZA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         572       2157     458  SINET-AS Research Organization of Infor
  7497         432        182      24  CSTNET-AS-AP Computer Network Informati
  2018         361        319      74  TENET-1, ZA
   680         279       1950     245  DFN Verein zur Foerderung eines Deutsch
  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
 36914         200         82       3  KENET-AS, KE
  1237         186         74     135  KREONET-AS-KR KISTI, KR

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

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

   ASN  No of nets  Net Savings  Description
  7497         432          408  CSTNET-AS-AP Computer Network Information Cente
  2018         361          287  TENET-1, ZA
  7896         251          244  NU-AS, US
  5786         200          199  UPRENET, PR
 36914         200          197  KENET-AS, KE
 58647         167          165  KAGAWAU-AS Kagawa University, JP
  8895         143          139  ISU Internet Services Unit ISU, SA
 18558         136          132  NETBLK-RCOEK, US
  1916         174          129  Rede Nacional de Ensino e Pesquisa, BR
 55824         129          107  NKN-CORE-NW NKN Core Network, IN

Complete listing at https://bgp.nsrc.org/REN/Janet/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
     22226  UNALLOCATED  156.1.0.0/16              2152  CSUNET-NW, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US

Complete listing at https://bgp.nsrc.org/REN/Janet/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
192.88.99.0/24             1103  SURFNET-NL SURFnet, The Netherlands, NL

Complete listing at https://bgp.nsrc.org/REN/Janet/data-spar

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
192.88.99.0/24       Origin:      1103  SURFNET-NL SURFnet, The Netherlands, NL
192.88.99.0/24      Transit:     20965  GEANT The GEANT IP Service, NL

Complete listing at https://bgp.nsrc.org/REN/Janet/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      /14:36      /15:123     /16:2030    /17:394     /18:438     
/19:560     /20:859     /21:898     /22:1427    /23:1546    /24:10107   
/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         187         200  KENET-AS, KE
  8895         138         143  ISU Internet Services Unit ISU, SA
 23024          53          56  OCDE, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 25977          31          45  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US
 32440          29          44  LONI, US
 40326          29          33  ECKERD-COLLEGE, US
327700          29          33  MoRENet, MZ

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

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

   1:4         5:7         6:4         8:2        12:1        14:85     
  18:42       23:7        24:3        31:6        38:9        40:1      
  41:116      42:11       44:5        45:44       46:6        47:1      
  49:10       50:1        52:1        58:7        59:20       60:4      
  61:3        62:9        63:34       64:48       66:35       67:43     
  68:8        69:20       70:2        71:1        72:10       74:20     
  76:33       77:7        78:3        79:10       80:11       81:28     
  82:3        83:6        84:9        85:32       86:7        87:1      
  88:1        89:10       91:39       92:1        93:17       94:4      
  95:5        96:5        97:1        98:2       101:8       102:13     
 103:329     104:14      106:1       108:8       109:10      110:3      
 111:20      112:4       114:23      116:5       117:61      118:32     
 119:22      121:27      122:8       123:8       124:39      125:2      
 128:81      129:178     130:92      131:89      132:58      133:141    
 134:100     136:192     137:87      138:8       139:5       140:47     
 141:2       142:41      143:35      144:52      145:2       146:128    
 147:59      148:191     149:13      150:39      151:5       152:77     
 153:8       154:26      155:51      156:67      157:26      158:42     
 159:116     160:25      161:21      162:20      163:62      164:43     
 165:55      166:2       167:16      168:162     169:10      170:54     
 172:2       173:2       175:31      176:8       177:12      178:1      
 179:11      180:21      181:16      182:6       184:2       185:39     
 186:3       187:19      188:13      189:5       190:49      191:33     
 192:1427    193:262     194:136     195:84      196:155     197:110    
 198:479     199:283     200:234     201:38      202:634     203:420    
 204:328     205:168     206:189     207:168     208:66      209:115    
 210:185     211:13      212:153     213:5       214:7       216:86     
 217:15      218:6       219:12      220:17      222:5       223:4      


End of report


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