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

REN Routing Table Report cscora at bgp.nsrc.org
Sun Apr 14 20:16:34 UTC 2024


IPv4 R&E Routing Table Report   20:15 GMT Sun 14 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:                              183433
    Prefixes after maximum aggregation (per Origin AS):           80270
    Deaggregation factor:                                          2.29
    Unique aggregates announced (without unneeded subnets):      100593
    Number of IPv4 prefixes with a valid ROA:                     69822
    Number of IPv4 prefixes with an invalid ROA:                     17
    Number of IPv4 prefixes with no ROA:                         113594
Total ASes present in the Internet Routing Table:                 15742
    Prefixes per ASN:                                             11.65
Origin-only ASes present in the Internet Routing Table:           13631
Origin ASes announcing only one prefix:                            6196
Transit ASes present in the Internet Routing Table:                2111
Transit-only ASes present in the Internet Routing Table:            566
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:                      44132
Number of 32-bit ASNs visible in the Routing Table:                5695
Prefixes from 32-bit ASNs in the Routing Table:                   19012
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:             86
Number of addresses announced to Internet:                   1062474165
    Equivalent to 63 /8s, 84 /16s and 17 /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:       52709

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

Prefixes being announced by APNIC Region ASes:                    29871
    Total APNIC prefixes after maximum aggregation:                6878
    APNIC Deaggregation factor:                                    4.34
Prefixes being announced from the APNIC address blocks:           29544
    Unique aggregates announced from the APNIC address blocks:     7961
APNIC Region origin ASes present in the Internet Routing Table:    1093
    APNIC Prefixes per ASN:                                       27.03
APNIC Region origin ASes announcing only one prefix:                437
APNIC Region transit ASes present in the Internet Routing Table:    181
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:    465
Number of APNIC addresses announced to Internet:              198895748
    Equivalent to 11 /8s, 218 /16s and 232 /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:                     83237
    Total ARIN prefixes after maximum aggregation:                45288
    ARIN Deaggregation factor:                                     1.84
Prefixes being announced from the ARIN address blocks:            81939
    Unique aggregates announced from the ARIN address blocks:     51033
ARIN Region origin ASes present in the Internet Routing Table:     7324
    ARIN Prefixes per ASN:                                        11.19
ARIN Region origin ASes announcing only one prefix:                3161
ARIN Region transit ASes present in the Internet Routing Table:     628
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:    1502
Number of ARIN addresses announced to Internet:               605248097
    Equivalent to 36 /8s, 19 /16s and 90 /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:                     34552
    Total RIPE prefixes after maximum aggregation:                16271
    RIPE Deaggregation factor:                                     2.12
Prefixes being announced from the RIPE address blocks:            35211
    Unique aggregates announced from the RIPE address blocks:     23153
RIPE Region origin ASes present in the Internet Routing Table:     3360
    RIPE Prefixes per ASN:                                        10.48
RIPE Region origin ASes announcing only one prefix:                1446
RIPE Region transit ASes present in the Internet Routing Table:     512
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:    1250
Number of RIPE addresses announced to Internet:               156246480
    Equivalent to 9 /8s, 80 /16s and 33 /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:                   31301
    Total LACNIC prefixes after maximum aggregation:               9973
    LACNIC Deaggregation factor:                                   3.14
Prefixes being announced from the LACNIC address blocks:          30989
    Unique aggregates announced from the LACNIC address blocks:   15568
LACNIC Region origin ASes present in the Internet Routing Table:   3078
    LACNIC Prefixes per ASN:                                      10.07
LACNIC Region origin ASes announcing only one prefix:              1062
LACNIC Region transit ASes present in the Internet Routing Table:   619
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:  2363
Number of LACNIC addresses announced to Internet:              72280576
    Equivalent to 4 /8s, 78 /16s and 234 /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:                   4249
    Total AfriNIC prefixes after maximum aggregation:              1673
    AfriNIC Deaggregation factor:                                  2.54
Prefixes being announced from the AfriNIC address blocks:          5664
    Unique aggregates announced from the AfriNIC address blocks:   2793
AfriNIC Region origin ASes present in the Internet Routing Table:   222
    AfriNIC Prefixes per ASN:                                     25.51
AfriNIC Region origin ASes announcing only one prefix:               90
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:  115
Number of AfriNIC addresses announced to Internet:             29752320
    Equivalent to 1 /8s, 197 /16s and 252 /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        9861      11372    3448  AMAZON-02, US
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2811       3545    1342  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1602        103    1165  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         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        1309        111    1066  AKAMAI-ASN1, NL
  3215         900       4830     293  France Telecom - Orange, FR
 25019         816       1032     146  SAUDINETSTC-AS, SA
  8376         722         60      21  Jordan Data Communications, JO
  8452         545       1841      11  TE-AS TE-AS, EG
 51167         441         83     187  CONTABO, DE
 20978         420        196      13  TT_MOBIL Istanbul, TR
 13046         405         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        5015       1299     874  UNINET, MX
  3816        1313        788     194  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1079        369      22  Telefonica del Peru S.A.A., PE
 11830        1043        324       5  Instituto Costarricense de Electricidad
 18881         921       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         380        319      71  TENET-1, ZA
 36935         266         66      79  Vodafone-, EG
 24835         199        162     115  RAYA-AS, EG
 36914         199         82       3  KENET-AS, KE
 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        9861      11372    3448  AMAZON-02, US
  9808        9659       8742      62  CHINAMOBILE-CN China Mobile Communicati
  8151        5015       1299     874  UNINET, MX
 39891        4758        286      60  ALJAWWALSTC-AS, SA
   749        3202      54912    2454  DNIC-AS-00749, US
   367        2811       3545    1342  DNIC-ASBLK-00306-00371, US
 11776        1857        256     220  ATLANTICBB-JOHNSTOWN, US
   209        1694       4898     314  CENTURYLINK-US-LEGACY-QWEST, US
  4155        1602        103    1165  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        5015         4141  UNINET, MX
 11776        1857         1637  ATLANTICBB-JOHNSTOWN, US
   367        2811         1469  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        1313         1119  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     /16:5886    /17:2456    /18:2581    
/19:5084    /20:8412    /21:10545   /22:19410   /23:20110   /24:107426  
/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        2853        5015  UNINET, MX
 16509        2097        9861  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         677        1079  Telefonica del Peru S.A.A., PE
  8376         567         722  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)
----------------------------------------------

   1:12        2:385       3:289       5:1054      6:147       7:5      
   8:619      11:171      12:656      13:323      14:101      15:281    
  16:174      17:6        18:706      20:34       21:4        22:188    
  23:1747     24:400      25:2        27:26       29:19       31:168    
  32:1        34:5        35:54       36:1157     37:474      38:831    
  39:522      40:9        41:486      42:23       43:181      44:26     
  45:2369     46:590      47:98       49:10       50:251      51:470    
  52:1350     54:273      55:989      57:15       58:4        59:32     
  60:19       61:66       62:344      63:471      64:1428     65:797    
  66:1229     67:672      68:149      69:729      70:147      71:189    
  72:361      74:728      75:392      76:204      77:299      78:485    
  79:160      80:208      81:184      82:170      83:95       84:180    
  85:326      86:148      87:148      88:120      89:500      90:98     
  91:543      92:398      93:774      94:507      95:1072     96:166    
  97:31       98:124      99:146     100:22      101:21      102:229    
 103:1030    104:691     105:31      106:3       107:196     108:299    
 109:258     110:26      111:1799    112:449     113:41      114:32     
 115:11      116:31      117:948     118:100     119:96      120:1092   
 121:32      122:108     123:49      124:57      125:11      128:362    
 129:275     130:477     131:778     132:498     133:267     134:339    
 135:67      136:358     137:400     138:781     139:383     140:587    
 141:328     142:684     143:596     144:324     145:65      146:471    
 147:326     148:624     149:508     150:290     151:561     152:356    
 153:117     154:579     155:669     156:444     157:261     158:312    
 159:526     160:340     161:410     162:670     163:290     164:633    
 165:374     166:99      167:377     168:991     169:157     170:1267   
 171:66      172:894     173:618     174:103     175:39      176:389    
 177:735     178:288     179:482     180:47      181:979     182:58     
 183:851     184:198     185:2257    186:1029    187:729     188:475    
 189:1078    190:2885    191:190     192:3657    193:1222    194:803    
 195:549     196:373     197:390     198:1908    199:3394    200:2684   
 201:2456    202:1057    203:596     204:1743    205:1667    206:1137   
 207:1057    208:949     209:1443    210:324     211:431     212:677    
 213:548     214:1040    215:43      216:1655    217:279     218:519    
 219:21      220:30      221:302     222:22      223:633    

End of report


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