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

REN Routing Table Report cscora at frr.nsrc.org
Sat Oct 29 17:15:39 UTC 2022


IPv4 R&E Routing Table Report   17:15 GMT Sat 29 Oct, 2022

  IPv4 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:                               18264
    Prefixes after maximum aggregation (per Origin AS):           10388
    Deaggregation factor:                                          1.76
    Unique aggregates announced (without unneeded subnets):       11613
    Number of IPv4 prefixes with a valid ROA:                      4209
    Number of IPv4 prefixes with an invalid ROA:                     33
    Number of IPv4 prefixes with no ROA:                          14022
Total ASes present in the Internet Routing Table:                  2661
    Prefixes per ASN:                                              6.86
Origin-only ASes present in the Internet Routing Table:            2299
Origin ASes announcing only one prefix:                            1034
Transit ASes present in the Internet Routing Table:                 362
Transit-only ASes present in the Internet Routing Table:             59
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.7
    Max AS path length visible:                                      18
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 5
    Number of instances of unregistered ASNs:                         5
Number of 32-bit ASNs allocated by the RIRs:                      40515
Number of 32-bit ASNs visible in the Routing Table:                 607
Prefixes from 32-bit ASNs in the Routing Table:                    1755
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:                    206425856
    Equivalent to 12 /8s, 77 /16s and 207 /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:               99.6
Total number of prefixes smaller than registry allocations:        1865

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

Prefixes being announced by APNIC Region ASes:                     4734
    Total APNIC prefixes after maximum aggregation:                2296
    APNIC Deaggregation factor:                                    2.06
Prefixes being announced from the APNIC address blocks:            4735
    Unique aggregates announced from the APNIC address blocks:     2602
APNIC Region origin ASes present in the Internet Routing Table:     587
    APNIC Prefixes per ASN:                                        8.07
APNIC Region origin ASes announcing only one prefix:                253
APNIC Region transit ASes present in the Internet Routing Table:     67
Average APNIC Region AS path length visible:                        4.6
    Max APNIC Region AS path length visible:                         18
Number of APNIC region 32-bit ASNs visible in the Routing Table:    229
Number of APNIC addresses announced to Internet:               46093568
    Equivalent to 2 /8s, 191 /16s and 85 /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:                      7947
    Total ARIN prefixes after maximum aggregation:                 4705
    ARIN Deaggregation factor:                                     1.69
Prefixes being announced from the ARIN address blocks:             7963
    Unique aggregates announced from the ARIN address blocks:      5290
ARIN Region origin ASes present in the Internet Routing Table:     1226
    ARIN Prefixes per ASN:                                         6.50
ARIN Region origin ASes announcing only one prefix:                 438
ARIN Region transit ASes present in the Internet Routing Table:     155
Average ARIN Region AS path length visible:                         5.2
    Max ARIN Region AS path length visible:                          15
Number of ARIN region 32-bit ASNs visible in the Routing Table:     179
Number of ARIN addresses announced to Internet:                96455680
    Equivalent to 5 /8s, 191 /16s and 204 /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:                      3233
    Total RIPE prefixes after maximum aggregation:                 2607
    RIPE Deaggregation factor:                                     1.24
Prefixes being announced from the RIPE address blocks:             3222
    Unique aggregates announced from the RIPE address blocks:      2643
RIPE Region origin ASes present in the Internet Routing Table:      587
    RIPE Prefixes per ASN:                                         5.49
RIPE Region origin ASes announcing only one prefix:                 269
RIPE Region transit ASes present in the Internet Routing Table:      91
Average RIPE Region AS path length visible:                         3.7
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     121
Number of RIPE addresses announced to Internet:                57093376
    Equivalent to 3 /8s, 103 /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:                    1418
    Total LACNIC prefixes after maximum aggregation:                578
    LACNIC Deaggregation factor:                                   2.45
Prefixes being announced from the LACNIC address blocks:           1415
    Unique aggregates announced from the LACNIC address blocks:     785
LACNIC Region origin ASes present in the Internet Routing Table:    162
    LACNIC Prefixes per ASN:                                       8.73
LACNIC Region origin ASes announcing only one prefix:                62
LACNIC Region transit ASes present in the Internet Routing Table:    23
Average LACNIC Region AS path length visible:                       5.7
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    65
Number of LACNIC addresses announced to Internet:               4212224
    Equivalent to 0 /8s, 64 /16s and 70 /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:                    927
    Total AfriNIC prefixes after maximum aggregation:               197
    AfriNIC Deaggregation factor:                                  4.71
Prefixes being announced from the AfriNIC address blocks:           927
    Unique aggregates announced from the AfriNIC address blocks:    291
AfriNIC Region origin ASes present in the Internet Routing Table:    35
    AfriNIC Prefixes per ASN:                                     26.49
AfriNIC Region origin ASes announcing only one prefix:               12
AfriNIC Region transit ASes present in the Internet Routing Table:   11
Average AfriNIC Region AS path length visible:                      3.7
    Max AfriNIC Region AS path length visible:                        9
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   13
Number of AfriNIC addresses announced to Internet:              2570496
    Equivalent to 0 /8s, 39 /16s and 57 /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         570       2156     457  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  4538         190       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         187         74     135  KREONET-AS-KR KISTI, KR
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         115         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  9411          66         16       2  NONTRINET-AS-AP Kasetsart University, T
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

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
   668         220        703     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         148        507      90  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         115          7      13  OCDE, US
  2920         108         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, 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         281       1935     249  DFN Verein zur Foerderung eines Deutsch
   786         185       1772     180  JANET Jisc Services Limited, GB
  8895         134         24       4  ISU Internet Services Unit ISU, SA
   559         115        550     106  SWITCH Peering requests: peering at switch
  1103         100       1520      87  SURFNET-NL SURFnet, The Netherlands, NL
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          64        599      59  FR-RENATER Reseau National de telecommu
  1930          58         81      53  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         157        208      43  Rede Nacional de Ensino e Pesquisa, BR
 28391         152         10      66  Universidad Juarez Autonoma de Tabasco,
 11340          96         24      54  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          58        102      38  Fundacao Carlos Chagas Filho de Amparo 
  4270          44         16       1  Red de Interconexion Universitaria, AR
 61468          42          3      15  CEDIA, EC
 28571          40         40      18  UNIVERSIDADE DE SAO PAULO, BR
 28614          38          2       2  Fundacao Universidade Regional de Blume
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B

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         375        319      72  TENET-1, ZA
 36914         240         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          39         28       3  RENU, UG
327700          33         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          19          1      14  TERNET, TZ
 37501          11         49       6  UOFS, ZA
 37654          10          1       6  RwEdNet-AS, RW

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         570       2156     457  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         375        319      72  TENET-1, ZA
   680         281       1935     249  DFN Verein zur Foerderung eines Deutsch
 36914         240         82       3  KENET-AS, KE
   668         220        703     180  DNIC-AS-00668, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  4538         190       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         187         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         433          409  CSTNET-AS-AP Computer Network Information Cente
  2018         375          303  TENET-1, ZA
 36914         240          237  KENET-AS, KE
  5786         200          199  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         134          130  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  4538         190          117  ERX-CERNET-BKB China Education and Research Net
  1916         157          114  Rede Nacional de Ensino e Pesquisa, BR
 55824         115          104  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
     33008  UNALLOCATED  162.248.66.0/24          11096  FLORIDANET, US
     19658  UNALLOCATED  199.27.241.0/24          11096  FLORIDANET, US
    395514  UNALLOCATED  205.213.88.0/24           2381  WISCNET1-AS, US
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, 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      
/13:19      /14:36      /15:122     /16:2026    /17:420     /18:439     
/19:548     /20:833     /21:842     /22:1435    /23:1504    /24:10026   
/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         227         240  KENET-AS, KE
  8895         129         134  ISU Internet Services Unit ISU, SA
 23024          53         115  OCDE, US
 32440          33          48  LONI, US
 28614          32          38  Fundacao Universidade Regional de Blumenau, BR
 46115          32          35  LUTHER, US
200521          31          52  SEAP-AGE, ES
 25977          30          44  HCCS, US
263282          30          37  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA CATARIN
 27609          29          45  USC-UNIVERSITY-HOSPITAL, US

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

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

   1:4         5:15        6:4         8:2        12:1        14:86     
  18:43       23:6        24:3        31:7        35:4        38:9      
  40:1        41:127      42:12       44:5        45:30       46:5      
  47:1        49:10       50:1        52:1        58:12       59:21     
  60:4        61:3        62:7        63:33       64:51       65:1      
  66:34       67:42       68:8        69:20       70:2        71:1      
  72:7        74:50       76:37       77:7        78:3        79:10     
  80:4        81:28       82:3        83:6        84:9        85:24     
  86:3        87:1        88:1        89:10       91:45       93:4      
  94:4        95:4        96:5        97:2        98:2       101:8      
 102:9       103:317     104:74      108:8       109:10      110:4      
 111:16      114:23      116:6       117:61      118:33      119:23     
 121:28      122:8       123:8       124:39      125:2       128:86     
 129:36      130:89      131:61      132:61      133:146     134:101    
 136:200     137:76      138:9       139:6       140:57      141:1      
 142:39      143:31      144:25      145:2       146:131     147:60     
 148:191     149:12      150:130     151:5       152:77      153:14     
 154:28      155:52      156:68      157:23      158:42      159:116    
 160:26      161:21      162:20      163:75      164:10      165:51     
 166:1       167:16      168:124     169:10      170:57      172:2      
 173:7       175:30      176:8       177:10      179:10      180:18     
 181:1       182:4       184:2       185:39      186:3       187:19     
 188:12      189:3       190:18      191:36      192:1442    193:296    
 194:121     195:88      196:161     197:143     198:481     199:275    
 200:229     201:39      202:631     203:429     204:346     205:125    
 206:188     207:166     208:65      209:117     210:185     211:13     
 212:170     213:2       214:8       216:84      217:10      218:3      
 219:12      220:17      222:6       223:4      

End of report


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