[REN-BGP-stats-all] IPv4 R&E Routing Table Report - KREONet2 (R&E) view

REN Routing Table Report cscora at frr.nsrc.org
Tue Aug 9 20:15:41 UTC 2022


IPv4 R&E Routing Table Report   20:15 GMT Tue 09 Aug, 2022

  IPv4 BGP Table (R&E) as seen at KREONet2.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/KREONet2/

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

BGP routing table entries examined:                               20382
    Prefixes after maximum aggregation (per Origin AS):           11143
    Deaggregation factor:                                          1.83
    Unique aggregates announced (without unneeded subnets):       12413
    Number of IPv4 prefixes with a valid ROA:                      5555
    Number of IPv4 prefixes with an invalid ROA:                     67
    Number of IPv4 prefixes with no ROA:                          14760
Total ASes present in the Internet Routing Table:                  2830
    Prefixes per ASN:                                              7.20
Origin-only ASes present in the Internet Routing Table:            2428
Origin ASes announcing only one prefix:                            1106
Transit ASes present in the Internet Routing Table:                 402
Transit-only ASes present in the Internet Routing Table:             78
Paths with bogon ASNs present in the IPv4 Routing Table:              2
Average AS path length visible in the Internet Routing Table:       4.0
    Max AS path length visible:                                      15
    Max AS path prepend of ASN ( 10497)                              11
Prefixes from unregistered ASNs in the Routing Table:                 6
    Number of instances of unregistered ASNs:                         6
Number of 32-bit ASNs allocated by the RIRs:                      39956
Number of 32-bit ASNs visible in the Routing Table:                 649
Prefixes from 32-bit ASNs in the Routing Table:                    1811
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:                    264707379
    Equivalent to 15 /8s, 199 /16s and 29 /24s
    Percentage of available address space announced:                7.1
    Percentage of allocated address space announced:                7.1
    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:        2682

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

Prefixes being announced by APNIC Region ASes:                     5108
    Total APNIC prefixes after maximum aggregation:                2421
    APNIC Deaggregation factor:                                    2.11
Prefixes being announced from the APNIC address blocks:            4977
    Unique aggregates announced from the APNIC address blocks:     2724
APNIC Region origin ASes present in the Internet Routing Table:     595
    APNIC Prefixes per ASN:                                        8.36
APNIC Region origin ASes announcing only one prefix:                262
APNIC Region transit ASes present in the Internet Routing Table:     74
Average APNIC Region AS path length visible:                        4.0
    Max APNIC Region AS path length visible:                         15
Number of APNIC region 32-bit ASNs visible in the Routing Table:    234
Number of APNIC addresses announced to Internet:               47757932
    Equivalent to 2 /8s, 216 /16s and 186 /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:                      9189
    Total ARIN prefixes after maximum aggregation:                 5025
    ARIN Deaggregation factor:                                     1.83
Prefixes being announced from the ARIN address blocks:             9272
    Unique aggregates announced from the ARIN address blocks:      5600
ARIN Region origin ASes present in the Internet Routing Table:     1244
    ARIN Prefixes per ASN:                                         7.45
ARIN Region origin ASes announcing only one prefix:                 443
ARIN Region transit ASes present in the Internet Routing Table:     164
Average ARIN Region AS path length visible:                         3.9
    Max ARIN Region AS path length visible:                          14
Number of ARIN region 32-bit ASNs visible in the Routing Table:     184
Number of ARIN addresses announced to Internet:               149633377
    Equivalent to 8 /8s, 235 /16s and 57 /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:                      3682
    Total RIPE prefixes after maximum aggregation:                 2894
    RIPE Deaggregation factor:                                     1.27
Prefixes being announced from the RIPE address blocks:             3731
    Unique aggregates announced from the RIPE address blocks:      2983
RIPE Region origin ASes present in the Internet Routing Table:      695
    RIPE Prefixes per ASN:                                         5.37
RIPE Region origin ASes announcing only one prefix:                 310
RIPE Region transit ASes present in the Internet Routing Table:     107
Average RIPE Region AS path length visible:                         3.9
    Max RIPE Region AS path length visible:                          15
Number of RIPE region 32-bit ASNs visible in the Routing Table:     138
Number of RIPE addresses announced to Internet:                59754566
    Equivalent to 3 /8s, 143 /16s and 200 /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:                    1457
    Total LACNIC prefixes after maximum aggregation:                581
    LACNIC Deaggregation factor:                                   2.51
Prefixes being announced from the LACNIC address blocks:           1457
    Unique aggregates announced from the LACNIC address blocks:     790
LACNIC Region origin ASes present in the Internet Routing Table:    163
    LACNIC Prefixes per ASN:                                       8.94
LACNIC Region origin ASes announcing only one prefix:                65
LACNIC Region transit ASes present in the Internet Routing Table:    27
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        12
Number of LACNIC region 32-bit ASNs visible in the Routing Table:    67
Number of LACNIC addresses announced to Internet:               4794144
    Equivalent to 0 /8s, 73 /16s and 39 /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:                    940
    Total AfriNIC prefixes after maximum aggregation:               216
    AfriNIC Deaggregation factor:                                  4.35
Prefixes being announced from the AfriNIC address blocks:           943
    Unique aggregates announced from the AfriNIC address blocks:    314
AfriNIC Region origin ASes present in the Internet Routing Table:    50
    AfriNIC Prefixes per ASN:                                     18.86
AfriNIC Region origin ASes announcing only one prefix:               26
AfriNIC Region transit ASes present in the Internet Routing Table:    9
Average AfriNIC Region AS path length visible:                      3.9
    Max AfriNIC Region AS path length visible:                       13
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:   26
Number of AfriNIC addresses announced to Internet:              2766848
    Equivalent to 0 /8s, 42 /16s and 56 /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         622       2156     457  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
 45102         282        475      90  ALIBABA-CN-NET Alibaba US Technology Co
  1237         192         74     134  KREONET-AS-KR KISTI, KR
  4538         189       4192      73  ERX-CERNET-BKB China Education and Rese
  7575         175        329     121  AARNET-AS-AP Australian Academic and Re
 58647         175         18       2  KAGAWAU-AS Kagawa University, JP
 55824         114         18      11  NKN-CORE-NW NKN Core Network, IN
  4621          78         37      10  UNINET-AS-AP UNINET-, TH
  4762          65          4       1  MAHIDOL-BORDER-AS Mahidol University, T

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-APNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         747       3282      69  GOOGLE, US
  8075         249      10847     213  MICROSOFT-CORP-MSN-AS-BLOCK, US
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR
  2152         160        507      92  CSUNET-NW, US
  6939         159        120     110  HURRICANE, US
 18558         137         18       4  NETBLK-RCOEK, US
   270         120        329      85  AS270, US
 23024         114          7      17  OCDE, US
  2920         111         34       7  LACOE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-ARIN

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
   680         283       1951     250  DFN Verein zur Foerderung eines Deutsch
   786         186       1775     183  JANET Jisc Services Limited, GB
  8895         179         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
  2614          95         27      75  ROEDUNET, RO
   137          82        677      77  ASGARR Consortium GARR, IT
   553          73        449      73  BELWUE BelWue-Koordination, DE
  2200          63        583      58  FR-RENATER Reseau National de telecommu
  3267          63         64      27  RUNNET, RU

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-RIPE

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  1916         175        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
  2715          59        102      39  Fundacao Carlos Chagas Filho de Amparo 
  1251          58         37      19  FUNDACAO DE AMPARO A PESQUISA DO ESTADO
 61468          46          3      15  CEDIA, EC
  4270          42         16       1  Red de Interconexion Universitaria, AR
 28571          41         40      18  UNIVERSIDADE DE SAO PAULO, BR
 19611          37         17       2  Associacao Antonio Vieira - Unisinos, B
 28614          37          2       2  Fundacao Universidade Regional de Blume

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-LACNIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
  2018         376        319      73  TENET-1, ZA
 36914         226         82       3  KENET-AS, KE
  2561          67          4      32  EUN, EG
  8094          48         48      15  PUKNET, ZA
327687          38         28       3  RENU, UG
327700          34         16       1  MoRENet, MZ
  6879          24          2       9  ENSTINET-, EG
 37182          20          1      14  TERNET, TZ
 37074          13          8       2  UG-AS, GH
 37501          11         49       6  UOFS, ZA

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-ASnet-AFRINIC

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

   ASN  No of nets  /20 equiv  MaxAgg  Description
 15169         747       3282      69  GOOGLE, US
  2907         622       2156     457  SINET-AS Research Organization of Infor
  7497         433        182      24  CSTNET-AS-AP Computer Network Informati
  2018         376        319      73  TENET-1, ZA
   680         283       1951     250  DFN Verein zur Foerderung eines Deutsch
 45102         282        475      90  ALIBABA-CN-NET Alibaba US Technology Co
  8075         249      10847     213  MICROSOFT-CORP-MSN-AS-BLOCK, US
 36914         226         82       3  KENET-AS, KE
   376         203        178     152  RISQ-AS, CA
  5786         200         16       1  UPRENET, PR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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         376          303  TENET-1, ZA
 36914         226          223  KENET-AS, KE
  5786         200          199  UPRENET, PR
 45102         282          192  ALIBABA-CN-NET Alibaba US Technology Co., Ltd.,
  8895         179          175  ISU Internet Services Unit ISU, SA
 58647         175          173  KAGAWAU-AS Kagawa University, JP
  2907         622          165  SINET-AS Research Organization of Information a
 18558         137          133  NETBLK-RCOEK, US
  1916         175          130  Rede Nacional de Ensino e Pesquisa, BR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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
     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
    394607  UNALLOCATED  216.100.93.0/24          23024  OCDE, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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/KREONet2/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:     17579  KREONET2-AS-KR KISTI, KR

Complete listing at https://bgp.nsrc.org/REN/KREONet2/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       /10:4       /11:6       /12:23      
/13:37      /14:82      /15:151     /16:2123    /17:465     /18:504     
/19:736     /20:902     /21:906     /22:1481    /23:1646    /24:10965   
/25:89      /26:56      /27:88      /28:20      /29:18      /30:19      
/31:0       /32:60      

Advertised prefixes smaller than registry allocations
-----------------------------------------------------

   ASN  No of nets  Total ann.  Description
 15169         275         747  GOOGLE, US
 36914         213         226  KENET-AS, KE
  8895         174         179  ISU Internet Services Unit ISU, SA
 32440          75          90  LONI, US
  6939          62         159  HURRICANE, US
 23024          53         114  OCDE, US
  8075          37         249  MICROSOFT-CORP-MSN-AS-BLOCK, US
 18632          34          63  VOLCANO-VISION, US
 46115          32          35  LUTHER, US
 25977          31          45  HCCS, US

Complete listing at https://bgp.nsrc.org/REN/KREONet2/data-sXXas-nos

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

   1:3         5:17        8:8        12:1        13:1        14:85     
  18:43       23:16       24:3        31:7        34:2        35:5      
  37:8        38:9        40:1        41:125      42:15       43:1      
  44:5        45:39       46:5        47:40       49:10       50:4      
  52:2        58:11       59:21       60:4        61:3        62:16     
  63:39       64:83       65:8        66:44       67:46       68:8      
  69:20       70:11       71:1        72:17       74:117      76:36     
  77:7        78:4        79:10       80:20       81:27       82:7      
  83:6        84:9        85:46       86:10       87:1        88:1      
  89:10       91:48       92:1        93:10       94:8        95:4      
  96:5        97:1        98:2       101:8       102:13      103:328    
 104:76      107:16      108:43      109:10      110:6       111:17     
 113:4       114:23      116:6       117:61      118:33      119:24     
 121:29      122:8       123:8       124:39      125:4       128:86     
 129:38      130:90      131:80      132:59      133:145     134:100    
 136:200     137:74      138:12      139:5       140:46      141:1      
 142:153     143:30      144:25      145:2       146:130     147:55     
 148:192     149:12      150:132     151:6       152:79      153:13     
 154:30      155:53      156:65      157:29      158:41      159:116    
 160:26      161:28      162:22      163:71      164:15      165:57     
 166:1       167:17      168:123     169:10      170:67      172:91     
 173:86      175:31      176:8       177:11      178:1       179:10     
 180:18      181:1       182:4       184:6       185:61      186:3      
 187:19      188:13      189:3       190:34      191:36      192:1444   
 193:314     194:150     195:94      196:158     197:136     198:528    
 199:266     200:219     201:38      202:634     203:439     204:350    
 205:128     206:194     207:172     208:88      209:133     210:183    
 211:13      212:176     213:5       216:122     217:12      218:22     
 219:12      220:17      222:6       223:7      

End of report


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