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

REN Routing Table Report cscora at frr.nsrc.org
Tue Jan 24 18:50:44 UTC 2023


IPv4 R&E Routing Table Report   18:50 GMT Tue 24 Jan, 2023

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

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

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

BGP routing table entries examined:                               17222
    Prefixes after maximum aggregation (per Origin AS):            9555
    Deaggregation factor:                                          1.80
    Unique aggregates announced (without unneeded subnets):       10629
    Number of IPv4 prefixes with a valid ROA:                      4382
    Number of IPv4 prefixes with an invalid ROA:                     40
    Number of IPv4 prefixes with no ROA:                          12800
Total ASes present in the Internet Routing Table:                  2556
    Prefixes per ASN:                                              6.74
Origin-only ASes present in the Internet Routing Table:            2207
Origin ASes announcing only one prefix:                             995
Transit ASes present in the Internet Routing Table:                 349
Transit-only ASes present in the Internet Routing Table:             62
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       5.3
    Max AS path length visible:                                      20
    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:                      41111
Number of 32-bit ASNs visible in the Routing Table:                 586
Prefixes from 32-bit ASNs in the Routing Table:                    1547
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:              2
Number of addresses announced to Internet:                    195531264
    Equivalent to 11 /8s, 167 /16s and 146 /24s
    Percentage of available address space announced:                5.3
    Percentage of allocated address space announced:                5.3
    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:        2145

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

Prefixes being announced by APNIC Region ASes:                     4669
    Total APNIC prefixes after maximum aggregation:                2289
    APNIC Deaggregation factor:                                    2.04
Prefixes being announced from the APNIC address blocks:            4670
    Unique aggregates announced from the APNIC address blocks:     2619
APNIC Region origin ASes present in the Internet Routing Table:     580
    APNIC Prefixes per ASN:                                        8.05
APNIC Region origin ASes announcing only one prefix:                248
APNIC Region transit ASes present in the Internet Routing Table:     62
Average APNIC Region AS path length visible:                        5.5
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    224
Number of APNIC addresses announced to Internet:               45872384
    Equivalent to 2 /8s, 187 /16s and 245 /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:                      6689
    Total ARIN prefixes after maximum aggregation:                 3724
    ARIN Deaggregation factor:                                     1.80
Prefixes being announced from the ARIN address blocks:             6705
    Unique aggregates announced from the ARIN address blocks:      4101
ARIN Region origin ASes present in the Internet Routing Table:     1075
    ARIN Prefixes per ASN:                                         6.24
ARIN Region origin ASes announcing only one prefix:                 388
ARIN Region transit ASes present in the Internet Routing Table:     143
Average ARIN Region AS path length visible:                         5.6
    Max ARIN Region AS path length visible:                          20
Number of ARIN region 32-bit ASNs visible in the Routing Table:     159
Number of ARIN addresses announced to Internet:                86089728
    Equivalent to 5 /8s, 33 /16s and 160 /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:                      3511
    Total RIPE prefixes after maximum aggregation:                 2814
    RIPE Deaggregation factor:                                     1.25
Prefixes being announced from the RIPE address blocks:             3501
    Unique aggregates announced from the RIPE address blocks:      2864
RIPE Region origin ASes present in the Internet Routing Table:      670
    RIPE Prefixes per ASN:                                         5.23
RIPE Region origin ASes announcing only one prefix:                 299
RIPE Region transit ASes present in the Internet Routing Table:     100
Average RIPE Region AS path length visible:                         4.9
    Max RIPE Region AS path length visible:                          13
Number of RIPE region 32-bit ASNs visible in the Routing Table:     137
Number of RIPE addresses announced to Internet:                57764352
    Equivalent to 3 /8s, 113 /16s and 106 /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:                    1358
    Total LACNIC prefixes after maximum aggregation:                569
    LACNIC Deaggregation factor:                                   2.39
Prefixes being announced from the LACNIC address blocks:           1355
    Unique aggregates announced from the LACNIC address blocks:     778
LACNIC Region origin ASes present in the Internet Routing Table:    155
    LACNIC Prefixes per ASN:                                       8.74
LACNIC Region origin ASes announcing only one prefix:                59
LACNIC Region transit ASes present in the Internet Routing Table:    24
Average LACNIC Region AS path length visible:                       6.1
    Max LACNIC Region AS path length visible:                        13
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    63
Number of LACNIC addresses announced to Internet:               4053760
    Equivalent to 0 /8s, 61 /16s and 219 /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:                    990
    Total AfriNIC prefixes after maximum aggregation:               154
    AfriNIC Deaggregation factor:                                  6.43
Prefixes being announced from the AfriNIC address blocks:           989
    Unique aggregates announced from the AfriNIC address blocks:    265
AfriNIC Region origin ASes present in the Internet Routing Table:    10
    AfriNIC Prefixes per ASN:                                     98.90
AfriNIC Region origin ASes announcing only one prefix:                1
AfriNIC Region transit ASes present in the Internet Routing Table:    5
Average AfriNIC Region AS path length visible:                      2.2
    Max AfriNIC Region AS path length visible:                        6
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:    3
Number of AfriNIC addresses announced to Internet:              1750272
    Equivalent to 0 /8s, 26 /16s and 181 /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         579       2149     460  SINET-AS Research Organization of Infor
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
  1237         185         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
  7575         174        329     119  AARNET-AS-AP Australian Academic and Re
 55824         117         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          70         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/KENET/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  5786         199         16       1  UPRENET, PR
  2152         147        507      91  CSUNET-NW, US
 18558         134         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         113          7      17  OCDE, US
  2920         107         34       7  LACOE, US
 32531          90          6      60  FORDHAM-UNIVERSITY, US
 21976          85         51      18  NJEDGE-NET, US
  1736          80         16       1  MU-AS, US
  3477          71         63      39  NOAA-NWAVE, US

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         277       1918     246  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         136         24       4  ISU Internet Services Unit ISU, SA
   559         114        550     105  SWITCH Peering requests: peering at switch
  1103          95       1518      85  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
  1930          65         81      60  RCCN Fundacao para a Ciencia e a Tecnol
  2200          63        583      58  FR-RENATER Reseau National de telecommu

Complete listing at https://bgp.nsrc.org/REN/KENET/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         153         10      67  Universidad Juarez Autonoma de Tabasco,
 11340          97         24      55  Red Universitaria Nacional, CL
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
  2715          57         86      37  Fundacao Carlos Chagas Filho de Amparo 
  4270          45         16       1  Red de Interconexion Universitaria, AR
 61468          43          3      15  CEDIA, EC
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28571          37         40      18  UNIVERSIDADE DE SAO PAULO, BR
263282          37          5      12  FUNDACAO UNIVERSIDADE DO OESTE DE SANTA

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 36914         484         81      36  KENET-AS, KE
  2018         370        319      67  TENET-1, ZA
  2561          67          4      34  EUN, EG
  3208          32          2       1  ARN, DZ
  6879          24          2       9  ENSTINET-, EG
 30983           4          4       1  MARWAN-AS, MA
327945           3          0       2  ILRI, KE
328225           3          0       1  Strathmore-University, KE
328762           2          0       2  Mansoora-University, EG
 37717           1         16       1  EL-Khawarizmi, TN

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

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2907         579       2149     460  SINET-AS Research Organization of Infor
 36914         484         81      36  KENET-AS, KE
  7497         434        182      24  CSTNET-AS-AP Computer Network Informati
  2018         370        319      67  TENET-1, ZA
   680         277       1918     246  DFN Verein zur Foerderung eines Deutsch
  5786         199         16       1  UPRENET, PR
  4538         191       4192      73  ERX-CERNET-BKB China Education and Rese
   786         186       1775     183  JANET Jisc Services Limited, GB
  1237         185         74     134  KREONET-AS-KR KISTI, KR
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP

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

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

   ASN  No of nets  Net Savings  Description
 36914         484          448  KENET-AS, KE
  7497         434          410  CSTNET-AS-AP Computer Network Information Cente
  2018         370          303  TENET-1, ZA
  5786         199          198  UPRENET, PR
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  8895         136          132  ISU Internet Services Unit ISU, SA
 18558         134          130  NETBLK-RCOEK, US
  4538         191          118  ERX-CERNET-BKB China Education and Research Net
  1916         157          114  Rede Nacional de Ensino e Pesquisa, BR
 55824         117          106  NKN-CORE-NW NKN Core Network, IN

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

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

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
    394607  UNALLOCATED  104.249.65.0/24          23024  OCDE, 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/KENET/data-badAS

Advertised Unallocated Addresses
--------------------------------

Unassigned Network     ASN Information  AS Name
102.36.194.0/23      Origin:      2018  TENET-1, ZA
102.36.194.0/23     Transit:     11537  INTERNET2-RESEARCH-EDU, US
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/KENET/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      /14:35      /15:121     /16:1883    /17:391     /18:402     
/19:518     /20:813     /21:803     /22:1278    /23:1448    /24:9497    
/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         464         484  KENET-AS, KE
  8895         131         136  ISU Internet Services Unit ISU, SA
 23024          52         113  OCDE, US
 18632          34          65  VOLCANO-VISION, US
 32440          34          49  LONI, US
 46115          32          35  LUTHER, US
 25977          30          44  HCCS, US
 28614          30          36  Fundacao Universidade Regional de Blumenau, BR
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/KENET/data-sXXas-nos

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

   1:2         5:15        8:2        12:1        14:88       23:6      
  24:2        31:7        35:6        38:7        40:1        41:184    
  42:15       44:5        45:33       46:5        47:1        49:10     
  50:3        52:1        58:12       59:21       60:4        61:3      
  62:9        63:37       64:51       65:5        66:45       67:44     
  68:8        69:21       70:2        71:1        72:7        74:49     
  76:38       77:8        78:3        79:10       80:17       81:28     
  82:6        83:6        84:8        85:42       86:5        87:1      
  89:10       91:46       92:2        93:4        94:4        95:3      
  97:2        98:2       101:8       102:1       103:310     104:72     
 107:16      108:8       109:10      110:2       111:15      114:23     
 116:6       117:61      118:33      119:22      121:28      122:8      
 123:8       124:39      125:4       128:84      129:38      130:87     
 131:47      132:54      133:149     134:91      136:199     137:58     
 138:9       139:5       140:41      141:1       143:23      144:23     
 145:1       146:129     147:55      148:199     149:12      150:130    
 151:7       152:71      153:14      154:22      155:52      156:68     
 157:29      158:40      159:115     160:26      161:19      162:20     
 163:67      164:10      165:51      166:1       167:12      168:124    
 169:10      170:72      171:1       172:2       173:7       175:32     
 176:8       177:10      179:10      180:17      181:1       182:1      
 184:3       185:43      186:3       187:17      188:13      189:3      
 190:18      191:36      192:1320    193:342     194:146     195:88     
 196:139     197:270     198:360     199:148     200:220     201:36     
 202:631     203:425     204:303     205:56      206:109     207:106    
 208:69      209:98      210:183     211:14      212:167     213:5      
 216:66      217:10      218:22      219:12      220:15      222:6      
 223:9      

End of report


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