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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Apr 11 20:16:31 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Thu 11 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:                              182495
    Prefixes after maximum aggregation (per Origin AS):           80399
    Deaggregation factor:                                          2.27
    Unique aggregates announced (without unneeded subnets):      101291
    Number of IPv4 prefixes with a valid ROA:                     68945
    Number of IPv4 prefixes with an invalid ROA:                     22
    Number of IPv4 prefixes with no ROA:                         113528
Total ASes present in the Internet Routing Table:                 15716
    Prefixes per ASN:                                             11.61
Origin-only ASes present in the Internet Routing Table:           13601
Origin ASes announcing only one prefix:                            6194
Transit ASes present in the Internet Routing Table:                2115
Transit-only ASes present in the Internet Routing Table:            570
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:               228
    Number of instances of unregistered ASNs:                       228
Number of 32-bit ASNs allocated by the RIRs:                      44090
Number of 32-bit ASNs visible in the Routing Table:                5682
Prefixes from 32-bit ASNs in the Routing Table:                   18862
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:             93
Number of addresses announced to Internet:                   1061913273
    Equivalent to 63 /8s, 75 /16s and 130 /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:       52229

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

Prefixes being announced by APNIC Region ASes:                    30034
    Total APNIC prefixes after maximum aggregation:                6983
    APNIC Deaggregation factor:                                    4.30
Prefixes being announced from the APNIC address blocks:           29710
    Unique aggregates announced from the APNIC address blocks:     8068
APNIC Region origin ASes present in the Internet Routing Table:    1151
    APNIC Prefixes per ASN:                                       25.81
APNIC Region origin ASes announcing only one prefix:                456
APNIC Region transit ASes present in the Internet Routing Table:    186
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:    504
Number of APNIC addresses announced to Internet:              199740040
    Equivalent to 11 /8s, 231 /16s and 202 /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:                     83352
    Total ARIN prefixes after maximum aggregation:                45337
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            82075
    Unique aggregates announced from the ARIN address blocks:     51190
ARIN Region origin ASes present in the Internet Routing Table:     7324
    ARIN Prefixes per ASN:                                        11.21
ARIN Region origin ASes announcing only one prefix:                3154
ARIN Region transit ASes present in the Internet Routing Table:     634
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:    1504
Number of ARIN addresses announced to Internet:               605239393
    Equivalent to 36 /8s, 19 /16s and 56 /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:                     33626
    Total RIPE prefixes after maximum aggregation:                16282
    RIPE Deaggregation factor:                                     2.07
Prefixes being announced from the RIPE address blocks:            34264
    Unique aggregates announced from the RIPE address blocks:     23703
RIPE Region origin ASes present in the Internet Routing Table:     3295
    RIPE Prefixes per ASN:                                        10.40
RIPE Region origin ASes announcing only one prefix:                1424
RIPE Region transit ASes present in the Internet Routing Table:     508
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:    1215
Number of RIPE addresses announced to Internet:               154897104
    Equivalent to 9 /8s, 59 /16s and 138 /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:                   31036
    Total LACNIC prefixes after maximum aggregation:               9932
    LACNIC Deaggregation factor:                                   3.12
Prefixes being announced from the LACNIC address blocks:          30727
    Unique aggregates announced from the LACNIC address blocks:   15443
LACNIC Region origin ASes present in the Internet Routing Table:   3052
    LACNIC Prefixes per ASN:                                      10.07
LACNIC Region origin ASes announcing only one prefix:              1068
LACNIC Region transit ASes present in the Internet Routing Table:   617
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:  2345
Number of LACNIC addresses announced to Internet:              72233984
    Equivalent to 4 /8s, 78 /16s and 52 /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:                   4219
    Total AfriNIC prefixes after maximum aggregation:              1675
    AfriNIC Deaggregation factor:                                  2.52
Prefixes being announced from the AfriNIC address blocks:          5626
    Unique aggregates announced from the AfriNIC address blocks:   2798
AfriNIC Region origin ASes present in the Internet Routing Table:   221
    AfriNIC Prefixes per ASN:                                     25.46
AfriNIC Region origin ASes announcing only one prefix:               92
AfriNIC Region transit ASes present in the Internet Routing Table:   59
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:  114
Number of AfriNIC addresses announced to Internet:             29742336
    Equivalent to 1 /8s, 197 /16s and 213 /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        9870      11375    3454  AMAZON-02, US
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2818       3549    1340  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1595        103    1161  USDA-1, US
  5972        1403        393     638  DNIC-ASBLK-05800-06055, US
  7979        1001         66     199  SERVERS-COM, US
   855         959        255      82  CANET-ASN-4, CA
 19901         851        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        4214        252      54  ALJAWWALSTC-AS, SA
 20940        1311        111    1066  AKAMAI-ASN1, NL
  3215         899       4829     296  France Telecom - Orange, FR
  8376         719         60      21  Jordan Data Communications, JO
 25019         712        630     283  SAUDINETSTC-AS, SA
  8452         544       1841      11  TE-AS TE-AS, EG
 51167         439         82     186  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         387         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        5026       1301     869  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         587        105     225  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         226         20      32  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         380        319      71  TENET-1, ZA
 36935         266         66      79  Vodafone-, EG
 36914         200         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
 37504          94         24      41  EODATACENTER, TN

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        9870      11375    3454  AMAZON-02, US
  9808        9659       8742      62  CHINAMOBILE-CN China Mobile Communicati
  8151        5026       1301     869  UNINET, MX
 39891        4214        252      54  ALJAWWALSTC-AS, SA
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2818       3549    1340  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1595        103    1161  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        4214         4160  ALJAWWALSTC-AS, SA
  8151        5026         4157  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2818         1478  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      
/13:114     /14:335     /15:669     /16:5877    /17:2446    /18:2572    
/19:5085    /20:8412    /21:10569   /22:19459   /23:20086   /24:106472  
/25:76      /26:50      /27:71      /28:19      /29:21      /30:18      
/31:0       /32:5       

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

   ASN  No of nets  Total ann.  Description
 39891        3344        4214  ALJAWWALSTC-AS, SA
  8151        2857        5026  UNINET, MX
 16509        2091        9870  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         710         851  BRSPD-PUBLIC, US
  6147         679        1081  Telefonica del Peru S.A.A., PE
  8376         564         719  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       3:291       5:997       6:147       7:5      
   8:622      11:171      12:657      13:321      14:100      15:281    
  16:174      17:6        18:705      20:34       21:4        22:188    
  23:1757     24:400      25:2        27:26       29:19       31:175    
  32:1        34:5        35:54       36:1158     37:458      38:841    
  39:522      40:9        41:498      42:23       43:184      44:27     
  45:2343     46:555      47:99       49:10       50:252      51:150    
  52:1354     54:273      55:997      57:16       58:4        59:32     
  60:19       61:67       62:345      63:476      64:1438     65:796    
  66:1218     67:670      68:166      69:728      70:147      71:189    
  72:354      74:730      75:392      76:204      77:282      78:462    
  79:180      80:202      81:183      82:170      83:80       84:165    
  85:283      86:141      87:147      88:120      89:489      90:97     
  91:541      92:394      93:774      94:487      95:1074     96:167    
  97:32       98:125      99:145     100:22      101:22      102:220    
 103:1101    104:701     105:31      106:3       107:203     108:301    
 109:231     110:26      111:1800    112:448     113:41      114:32     
 115:12      116:31      117:948     118:101     119:97      120:1092   
 121:32      122:107     123:49      124:57      125:13      128:299    
 129:211     130:479     131:771     132:499     133:267     134:337    
 135:67      136:359     137:404     138:765     139:383     140:587    
 141:326     142:684     143:592     144:319     145:61      146:473    
 147:319     148:623     149:514     150:290     151:492     152:356    
 153:117     154:579     155:667     156:451     157:262     158:312    
 159:526     160:339     161:414     162:675     163:289     164:636    
 165:373     166:99      167:381     168:991     169:157     170:1231   
 171:65      172:901     173:618     174:99      175:46      176:394    
 177:676     178:285     179:486     180:48      181:972     182:67     
 183:852     184:198     185:2212    186:1025    187:707     188:441    
 189:1058    190:2889    191:177     192:3650    193:1217    194:806    
 195:549     196:351     197:381     198:1910    199:3390    200:2667   
 201:2450    202:1068    203:599     204:1738    205:1671    206:1134   
 207:1051    208:960     209:1430    210:340     211:430     212:641    
 213:540     214:1040    215:43      216:1671    217:283     218:519    
 219:21      220:30      221:302     222:22      223:633    

End of report


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