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

REN Routing Table Report cscora at bgp.nsrc.org
Fri Apr 12 20:16:32 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Fri 12 Apr, 2024

  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:                              183599
    Prefixes after maximum aggregation (per Origin AS):           80478
    Deaggregation factor:                                          2.28
    Unique aggregates announced (without unneeded subnets):      100804
    Number of IPv4 prefixes with a valid ROA:                     69742
    Number of IPv4 prefixes with an invalid ROA:                     17
    Number of IPv4 prefixes with no ROA:                         113840
Total ASes present in the Internet Routing Table:                 15818
    Prefixes per ASN:                                             11.61
Origin-only ASes present in the Internet Routing Table:           13692
Origin ASes announcing only one prefix:                            6228
Transit ASes present in the Internet Routing Table:                2126
Transit-only ASes present in the Internet Routing Table:            572
Paths with bogon ASNs present in the IPv4 Routing Table:              4
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      26
    Max AS path prepend of ASN (265990)                              21
Prefixes from unregistered ASNs in the Routing Table:               223
    Number of instances of unregistered ASNs:                       223
Number of 32-bit ASNs allocated by the RIRs:                      44104
Number of 32-bit ASNs visible in the Routing Table:                5729
Prefixes from 32-bit ASNs in the Routing Table:                   19084
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:             87
Number of addresses announced to Internet:                   1062374837
    Equivalent to 63 /8s, 82 /16s and 141 /24s
    Percentage of available address space announced:               28.7
    Percentage of allocated address space announced:               28.7
    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:       52834

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

Prefixes being announced by APNIC Region ASes:                    29867
    Total APNIC prefixes after maximum aggregation:                6884
    APNIC Deaggregation factor:                                    4.34
Prefixes being announced from the APNIC address blocks:           29561
    Unique aggregates announced from the APNIC address blocks:     7977
APNIC Region origin ASes present in the Internet Routing Table:    1100
    APNIC Prefixes per ASN:                                       26.87
APNIC Region origin ASes announcing only one prefix:                440
APNIC Region transit ASes present in the Internet Routing Table:    180
Average APNIC Region AS path length visible:                        6.2
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    469
Number of APNIC addresses announced to Internet:              198914692
    Equivalent to 11 /8s, 219 /16s and 50 /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, 131072-153913
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:                     83380
    Total ARIN prefixes after maximum aggregation:                45380
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            82091
    Unique aggregates announced from the ARIN address blocks:     51192
ARIN Region origin ASes present in the Internet Routing Table:     7337
    ARIN Prefixes per ASN:                                        11.19
ARIN Region origin ASes announcing only one prefix:                3163
ARIN Region transit ASes present in the Internet Routing Table:     630
Average ARIN Region AS path length visible:                         5.4
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    1510
Number of ARIN addresses announced to Internet:               605263201
    Equivalent to 36 /8s, 19 /16s and 149 /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, 393216-402332
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:                     34636
    Total RIPE prefixes after maximum aggregation:                16352
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35288
    Unique aggregates announced from the RIPE address blocks:     23215
RIPE Region origin ASes present in the Internet Routing Table:     3390
    RIPE Prefixes per ASN:                                        10.41
RIPE Region origin ASes announcing only one prefix:                1463
RIPE Region transit ASes present in the Internet Routing Table:     518
Average RIPE Region AS path length visible:                         5.6
    Max RIPE Region AS path length visible:                          22
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1255
Number of RIPE addresses announced to Internet:               156289232
    Equivalent to 9 /8s, 80 /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
                       196608-216475
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:                   31269
    Total LACNIC prefixes after maximum aggregation:              10011
    LACNIC Deaggregation factor:                                   3.12
Prefixes being announced from the LACNIC address blocks:          30953
    Unique aggregates announced from the LACNIC address blocks:   15573
LACNIC Region origin ASes present in the Internet Routing Table:   3105
    LACNIC Prefixes per ASN:                                       9.97
LACNIC Region origin ASes announcing only one prefix:              1075
LACNIC Region transit ASes present in the Internet Routing Table:   627
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        26
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2384
Number of LACNIC addresses announced to Internet:              72231424
    Equivalent to 4 /8s, 78 /16s and 42 /24s
LACNIC AS Blocks       26592-26623, 27648-28671, 52224-53247,
                       61440-61951, 64099-64197, 262144-274844 + 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:                   4224
    Total AfriNIC prefixes after maximum aggregation:              1664
    AfriNIC Deaggregation factor:                                  2.54
Prefixes being announced from the AfriNIC address blocks:          5619
    Unique aggregates announced from the AfriNIC address blocks:   2761
AfriNIC Region origin ASes present in the Internet Routing Table:   215
    AfriNIC Prefixes per ASN:                                     26.13
AfriNIC Region origin ASes announcing only one prefix:               87
AfriNIC Region transit ASes present in the Internet Routing Table:   57
Average AfriNIC Region AS path length visible:                      5.6
    Max AfriNIC Region AS path length visible:                       16
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  111
Number of AfriNIC addresses announced to Internet:             29624320
    Equivalent to 1 /8s, 196 /16s and 8 /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
  9808        9659       8742      62  CHINAMOBILE-CN China Mobile Communicati
 56047        1503        192      47  CMNET-HUNAN-AP China Mobile communicati
 56046        1481        874     110  CMNET-JIANGSU-AP China Mobile communica
 56041        1448        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24547         789        168      56  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 24444         762        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 17676         732      10656     150  GIGAINFRA SoftBank Corp., JP
  2907         601       2162     465  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun
 56040         449        489     108  CMNET-GUANGDONG-AP China Mobile communi

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
 16509        9851      11371    3448  AMAZON-02, US
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2811       3547    1338  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1598        103    1164  USDA-1, US
  5972        1394        390     634  DNIC-ASBLK-05800-06055, US
  7979        1001         66     199  SERVERS-COM, US
   855         959        255      82  CANET-ASN-4, CA
 19901         852        554     633  BRSPD-PUBLIC, 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
 39891        4758        286      60  ALJAWWALSTC-AS, SA
 20940        1310        111    1067  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         718         60      21  Jordan Data Communications, JO
  8452         544       1841      11  TE-AS TE-AS, EG
 51167         440         82     187  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         386         34       5  ASN-ISKON, HR
 57878         380         31     187  PRAGER-IT, AT

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
  8151        5027       1301     876  UNINET, MX
  3816        1312        788     199  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1081        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         920       1128      28  TELEFONICA BRASIL S.A, BR
 11664         591        105     226  Techtel LMDS Comunicaciones Interactiva
 26599         572       2945      46  TELEFONICA BRASIL S.A, BR
 10620         500         64     421  Telmex Colombia S.A., CO
 13999         483         66     207  Mega Cable, S.A. de C.V., MX
 27843         229         20      33  WIN EMPRESAS S.A.C., PE

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
 24863         668        241     201  LINKdotNET-AS, EG
 36992         411        656     267  ETISALAT-MISR, EG
  2018         364        319      69  TENET-1, ZA
 36935         266         66      79  Vodafone-, EG
 36914         201         82       3  KENET-AS, KE
 24835         199        162     115  RAYA-AS, EG
 37282         157         20      53  MAINONE, NG
 37492         156        471      44  ORANGE-, TN
 37693         145        595      51  TUNISIANA, TN
 15706         110         12      26  Sudatel, SD

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
 16509        9851      11371    3448  AMAZON-02, US
  9808        9659       8742      62  CHINAMOBILE-CN China Mobile Communicati
  8151        5027       1301     876  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2811       3547    1338  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1598        103    1164  USDA-1, US
 56047        1503        192      47  CMNET-HUNAN-AP China Mobile communicati

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

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

   ASN  No of nets  Net Savings  Description
  9808        9659         9597  CHINAMOBILE-CN China Mobile Communications Grou
 39891        4758         4698  ALJAWWALSTC-AS, SA
  8151        5027         4151  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2811         1473  DNIC-ASBLK-00306-00371, US
 56047        1503         1456  CMNET-HUNAN-AP China Mobile communications corp
   209        1694         1380  CENTURYLINK-US-LEGACY-QWEST, US
 56041        1448         1375  CMNET-ZHEJIANG-AP China Mobile communications c
 56046        1481         1371  CMNET-JIANGSU-AP China Mobile communications co
  3816        1312         1113  COLOMBIA TELECOMUNICACIONES S.A. ESP, CO

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
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
     46639  UNALLOCATED  8.38.73.0/24              3356  LEVEL3, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
     46639  UNALLOCATED  8.42.219.0/24             3356  LEVEL3, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
     22538  UNALLOCATED  12.131.3.0/24             7018  ATT-INTERNET4, US
     26295  UNALLOCATED  12.147.1.0/24             7018  ATT-INTERNET4, US
     30442  UNALLOCATED  12.155.208.0/24           7018  ATT-INTERNET4, 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             1835  FSKNET-DK Forskningsnettet - Danish network for

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

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

Unassigned Network     ASN Information  AS Name
41.74.44.0/24        Origin:     37544  RESERVED, ZZ
41.74.44.0/24       Transit:     15964  CAMNET-AS, CM
41.78.60.0/22        Origin:      6762  SEABONE-NET TELECOM ITALIA SPARKLE S.p.A
41.78.60.0/22       Transit:      2914  NTT-LTD-2914, US
41.78.204.0/22       Origin:     37475  RESERVED, ZZ
41.78.204.0/22      Transit:     15964  CAMNET-AS, CM
41.79.128.0/22       Origin:     37475  RESERVED, ZZ
41.79.128.0/22      Transit:     15964  CAMNET-AS, CM
41.204.248.0/24      Origin:     36911  RESERVED, ZZ
41.204.248.0/24     Transit:    328766  RESERVED, ZZ

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        /8:11       /9:4       /10:17      /11:28      /12:79      
/13:115     /14:338     /15:672     /16:5884    /17:2452    /18:2580    
/19:5089    /20:8398    /21:10557   /22:19429   /23:20128   /24:107559  
/25:76      /26:50      /27:71      /28:19      /29:21      /30:17      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3440        4758  ALJAWWALSTC-AS, SA
  8151        2859        5027  UNINET, MX
 16509        2090        9851  AMAZON-02, US
   209         957        1694  CENTURYLINK-US-LEGACY-QWEST, US
 11776         892        1857  ATLANTICBB-JOHNSTOWN, US
 11830         884        1043  Instituto Costarricense de Electricidad y Telec
 19901         711         852  BRSPD-PUBLIC, US
  6147         679        1081  Telefonica del Peru S.A.A., PE
  8376         563         718  Jordan Data Communications, JO
  7979         451        1001  SERVERS-COM, US

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

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

   1:11        2:385       3:289       5:1059      6:147       7:5      
   8:622      11:171      12:657      13:322      14:101      15:281    
  16:174      17:6        18:705      20:34       21:4        22:188    
  23:1759     24:400      25:2        27:26       29:19       31:179    
  32:1        34:5        35:54       36:1157     37:459      38:833    
  39:522      40:9        41:486      42:23       43:181      44:27     
  45:2376     46:595      47:99       49:10       50:251      51:470    
  52:1350     54:274      55:997      57:16       58:4        59:32     
  60:19       61:66       62:350      63:475      64:1442     65:792    
  66:1230     67:672      68:151      69:747      70:147      71:189    
  72:360      74:729      75:392      76:205      77:305      78:490    
  79:161      80:200      81:187      82:171      83:96       84:180    
  85:330      86:146      87:155      88:120      89:492      90:98     
  91:544      92:399      93:774      94:499      95:1081     96:167    
  97:31       98:124      99:146     100:22      101:22      102:221    
 103:1038    104:701     105:31      106:3       107:204     108:300    
 109:258     110:26      111:1799    112:449     113:41      114:32     
 115:11      116:31      117:948     118:101     119:96      120:1092   
 121:32      122:108     123:49      124:57      125:11      128:363    
 129:275     130:477     131:780     132:496     133:267     134:339    
 135:67      136:360     137:402     138:772     139:383     140:587    
 141:323     142:683     143:597     144:325     145:65      146:477    
 147:323     148:623     149:519     150:291     151:561     152:356    
 153:117     154:578     155:668     156:445     157:260     158:312    
 159:526     160:339     161:417     162:672     163:289     164:636    
 165:376     166:99      167:381     168:991     169:157     170:1236   
 171:65      172:893     173:619     174:103     175:39      176:397    
 177:721     178:287     179:488     180:46      181:980     182:58     
 183:851     184:198     185:2256    186:1040    187:729     188:475    
 189:1073    190:2894    191:192     192:3657    193:1222    194:809    
 195:553     196:364     197:391     198:1911    199:3394    200:2676   
 201:2458    202:1058    203:596     204:1739    205:1669    206:1139   
 207:1055    208:953     209:1441    210:324     211:431     212:677    
 213:542     214:1037    215:43      216:1676    217:281     218:519    
 219:21      220:30      221:302     222:22      223:633    

End of report


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