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

REN Routing Table Report cscora at bgp.nsrc.org
Thu Dec 21 20:16:37 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Thu 21 Dec, 2023

  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:                              257500
    Prefixes after maximum aggregation (per Origin AS):          114070
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      138849
    Number of IPv4 prefixes with a valid ROA:                     98070
    Number of IPv4 prefixes with an invalid ROA:                     48
    Number of IPv4 prefixes with no ROA:                         159382
Total ASes present in the Internet Routing Table:                 20682
    Prefixes per ASN:                                             12.45
Origin-only ASes present in the Internet Routing Table:           17991
Origin ASes announcing only one prefix:                            8023
Transit ASes present in the Internet Routing Table:                2691
Transit-only ASes present in the Internet Routing Table:            657
Paths with bogon ASNs present in the IPv4 Routing Table:             11
Average AS path length visible in the Internet Routing Table:       5.7
    Max AS path length visible:                                      38
    Max AS path prepend of ASN (272886)                              31
Prefixes from unregistered ASNs in the Routing Table:               375
    Number of instances of unregistered ASNs:                       375
Number of 32-bit ASNs allocated by the RIRs:                      43246
Number of 32-bit ASNs visible in the Routing Table:                7426
Prefixes from 32-bit ASNs in the Routing Table:                   26430
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:            126
Number of addresses announced to Internet:                   1485943401
    Equivalent to 88 /8s, 145 /16s and 178 /24s
    Percentage of available address space announced:               40.1
    Percentage of allocated address space announced:               40.1
    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:       87509

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

Prefixes being announced by APNIC Region ASes:                    30692
    Total APNIC prefixes after maximum aggregation:                7286
    APNIC Deaggregation factor:                                    4.21
Prefixes being announced from the APNIC address blocks:           30332
    Unique aggregates announced from the APNIC address blocks:     8428
APNIC Region origin ASes present in the Internet Routing Table:    1202
    APNIC Prefixes per ASN:                                       25.23
APNIC Region origin ASes announcing only one prefix:                493
APNIC Region transit ASes present in the Internet Routing Table:    195
Average APNIC Region AS path length visible:                        6.3
    Max APNIC Region AS path length visible:                         17
Number of APNIC region 32-bit ASNs visible in the Routing Table:    530
Number of APNIC addresses announced to Internet:              212751752
    Equivalent to 12 /8s, 174 /16s and 85 /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:                    119064
    Total ARIN prefixes after maximum aggregation:                62662
    ARIN Deaggregation factor:                                     1.90
Prefixes being announced from the ARIN address blocks:           118974
    Unique aggregates announced from the ARIN address blocks:     69210
ARIN Region origin ASes present in the Internet Routing Table:     9614
    ARIN Prefixes per ASN:                                        12.38
ARIN Region origin ASes announcing only one prefix:                3945
ARIN Region transit ASes present in the Internet Routing Table:     849
Average ARIN Region AS path length visible:                         5.3
    Max ARIN Region AS path length visible:                          26
Number of ARIN region 32-bit ASNs visible in the Routing Table:    2039
Number of ARIN addresses announced to Internet:               840295905
    Equivalent to 50 /8s, 21 /16s and 229 /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:                     56267
    Total RIPE prefixes after maximum aggregation:                28281
    RIPE Deaggregation factor:                                     1.99
Prefixes being announced from the RIPE address blocks:            55293
    Unique aggregates announced from the RIPE address blocks:     37194
RIPE Region origin ASes present in the Internet Routing Table:     5210
    RIPE Prefixes per ASN:                                        10.61
RIPE Region origin ASes announcing only one prefix:                2192
RIPE Region transit ASes present in the Internet Routing Table:     730
Average RIPE Region AS path length visible:                         5.7
    Max RIPE Region AS path length visible:                          31
Number of RIPE region 32-bit ASNs visible in the Routing Table:    1976
Number of RIPE addresses announced to Internet:               303651584
    Equivalent to 18 /8s, 25 /16s and 91 /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:                   41979
    Total LACNIC prefixes after maximum aggregation:              13207
    LACNIC Deaggregation factor:                                   3.18
Prefixes being announced from the LACNIC address blocks:          41304
    Unique aggregates announced from the LACNIC address blocks:   19894
LACNIC Region origin ASes present in the Internet Routing Table:   3589
    LACNIC Prefixes per ASN:                                      11.51
LACNIC Region origin ASes announcing only one prefix:              1296
LACNIC Region transit ASes present in the Internet Routing Table:   738
Average LACNIC Region AS path length visible:                       6.0
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2763
Number of LACNIC addresses announced to Internet:              88276480
    Equivalent to 5 /8s, 66 /16s and 254 /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:                   9123
    Total AfriNIC prefixes after maximum aggregation:              2345
    AfriNIC Deaggregation factor:                                  3.89
Prefixes being announced from the AfriNIC address blocks:         11471
    Unique aggregates announced from the AfriNIC address blocks:   3999
AfriNIC Region origin ASes present in the Internet Routing Table:   256
    AfriNIC Prefixes per ASN:                                     44.81
AfriNIC Region origin ASes announcing only one prefix:               97
AfriNIC Region transit ASes present in the Internet Routing Table:   64
Average AfriNIC Region AS path length visible:                      5.9
    Max AfriNIC Region AS path length visible:                       19
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  118
Number of AfriNIC addresses announced to Internet:             40893696
    Equivalent to 2 /8s, 111 /16s and 253 /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        9589       8737      46  CHINAMOBILE-CN China Mobile Communicati
 56047        1509        188      34  CMNET-HUNAN-AP China Mobile communicati
 56046        1432        842     106  CMNET-JIANGSU-AP China Mobile communica
 56041        1431        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         751        168      47  CMNET-V4HEBEI-AS-AP Hebei Mobile Commun
 17676         738      10616     152  GIGAINFRA SoftBank Corp., JP
  9394         610       4158      52  CTTNET China TieTong Telecommunications
  2907         603       2162     466  SINET-AS Research Organization of Infor
 24445         477        497      67  CMNET-V4HENAN-AS-AP Henan Mobile Commun

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        9446      11195    3372  AMAZON-02, US
 22773        3473       3038     292  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2960       3849    1415  DNIC-ASBLK-00306-00371, US
  7018        2520      23623    1568  ATT-INTERNET4, US
  5650        1990       2758    1410  FRONTIER-FRTR, US
 18566        1855        373     312  MEGAPATH5-, US
 11776        1845        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1750       3111     451  CELLCO-PART, US
   209        1711       4899     328  CENTURYLINK-US-LEGACY-QWEST, 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        4570        271      54  ALJAWWALSTC-AS, SA
 20940        1531        136    1223  AKAMAI-ASN1, NL
 25019         904       1035     152  SAUDINETSTC-AS, SA
  3215         893       4823     300  France Telecom - Orange, FR
  8452         812       1841      14  TE-AS TE-AS, EG
 61317         801         55     714  ASDETUK www.heficed.com, US
 34984         768         91     491  TELLCOM-AS, TR
  8376         722         59      21  Jordan Data Communications, JO
  8386         707        109     242  KOCNET, TR
 15897         572        188      20  VODAFONETURKEY, TR

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        5826       1660    1006  UNINET, MX
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2005        369      64  Instituto Costarricense de Electricidad
  3816        1306        787     197  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1086        369      22  Telefonica del Peru S.A.A., PE
 26615        1049       2502      52  TIM SA, BR
 18881         990       1120      28  TELEFONICA BRASIL S.A, BR
 11664         923        151     401  Techtel LMDS Comunicaciones Interactiva
 28006         616         75     279  CORPORACION NACIONAL DE TELECOMUNICACIO
 26599         596       2965      47  TELEFONICA BRASIL S.A, BR

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        1167        388      22  LINKdotNET-AS, EG
 24835        1017        457      25  RAYA-AS, EG
 29571         801         60     137  ORANGE-COTE-IVOIRE, CI
 36992         673        993     338  ETISALAT-MISR, EG
 36935         670        520      41  Vodafone-, EG
 36914         519         82       3  KENET-AS, KE
 15399         430         38     145  WANANCHI-, KE
 36903         415        192     302  MT-MPLS, MA
  2018         381        319      71  TENET-1, ZA
 37693         313        594      41  TUNISIANA, 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
  9808        9589       8737      46  CHINAMOBILE-CN China Mobile Communicati
 16509        9446      11195    3372  AMAZON-02, US
  8151        5826       1660    1006  UNINET, MX
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 22773        3473       3038     292  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3162      54930    2414  DNIC-AS-00749, US
   367        2960       3849    1415  DNIC-ASBLK-00306-00371, US
  7018        2520      23623    1568  ATT-INTERNET4, US
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2005        369      64  Instituto Costarricense de Electricidad

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

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

   ASN  No of nets  Net Savings  Description
 16509        9446         6074  AMAZON-02, US
  8151        5826         4820  UNINET, MX
 39891        4570         4516  ALJAWWALSTC-AS, SA
 22773        3473         3181  ASN-CXA-ALL-CCI-22773-RDC, US
 11830        2005         1941  Instituto Costarricense de Electricidad y Telec
 11776        1845         1624  ATLANTICBB-JOHNSTOWN, US
   367        2960         1545  DNIC-ASBLK-00306-00371, US
 18566        1855         1543  MEGAPATH5-, US
 56047        1509         1475  CMNET-HUNAN-AP China Mobile communications corp
   209        1711         1383  CENTURYLINK-US-LEGACY-QWEST, US

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
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US
      1782  UNALLOCATED  8.42.19.0/24              3356  LEVEL3, US
    395438  UNALLOCATED  8.42.206.0/24             3356  LEVEL3, US
    396451  UNALLOCATED  12.6.254.0/24             7018  ATT-INTERNET4, US
     13342  UNALLOCATED  12.17.5.0/24              7018  ATT-INTERNET4, US
    396831  UNALLOCATED  12.23.198.0/24            7018  ATT-INTERNET4, US
     21861  UNALLOCATED  12.37.59.0/24             7018  ATT-INTERNET4, US
     33684  UNALLOCATED  12.37.144.0/24            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             6939  HURRICANE, US

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

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

Unassigned Network     ASN Information  AS Name
23.140.216.0/24      Origin:     27176  DATAWAGON, US
23.140.216.0/24     Transit:     20278  NEXEON, US
23.141.0.0/24        Origin:    395350  RESERVED, ZZ
23.141.0.0/24       Transit:     11426  TWC-11426-CAROLINAS, US
23.176.160.0/24      Origin:    397327  RESERVED, ZZ
23.176.160.0/24     Transit:     19108  SUDDENLINK-COMMUNICATIONS, US
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
45.42.252.0/22       Origin:     16509  AMAZON-02, US
45.42.252.0/22      Transit:     24482  SGGS-AS-AP SG.GS, SG

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        /8:13       /9:8       /10:29      /11:45      /12:127     
/13:188     /14:500     /15:1001    /16:7408    /17:3482    /18:4040    
/19:7908    /20:12316   /21:15463   /22:28612   /23:28993   /24:147089  
/25:84      /26:61      /27:72      /28:18      /29:22      /30:15      
/31:0       /32:6       

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

   ASN  No of nets  Total ann.  Description
 39891        3324        4570  ALJAWWALSTC-AS, SA
  8151        3068        5826  UNINET, MX
 22773        2531        3473  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1935        9446  AMAZON-02, US
 18566        1769        1855  MEGAPATH5-, US
 11830        1703        2005  Instituto Costarricense de Electricidad y Telec
  5650        1405        1990  FRONTIER-FRTR, US
 10620        1337        2214  Telmex Colombia S.A., CO
  7018        1099        2520  ATT-INTERNET4, US
   209         965        1711  CENTURYLINK-US-LEGACY-QWEST, US

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

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

   1:15        2:507       3:248       4:5         5:1352      6:150    
   7:5         8:730      11:171      12:1097     13:317      14:103    
  15:284      16:167      17:6        18:656      20:244      21:4      
  22:188      23:2398     24:781      25:2        27:25       29:19     
  31:447      32:37       34:2        35:55       36:1101     37:918    
  38:1332     39:505      40:62       41:1054     42:20       43:212    
  44:41       45:3335     46:888      47:154      49:22       50:343    
  51:477      52:1391     54:346      55:885      56:5        57:23     
  58:7        59:33       60:18       61:70       62:595      63:897    
  64:2096     65:1154     66:2245     67:958      68:581      69:1192   
  70:483      71:265      72:700      74:1050     75:438      76:244    
  77:345      78:628      79:239      80:387      81:365      82:293    
  83:158      84:327      85:527      86:227      87:285      88:220    
  89:604      90:103      91:954      92:498      93:930      94:676    
  95:1226     96:280      97:69       98:550      99:163     100:45     
 101:24      102:298     103:1204    104:1407    105:65      106:42     
 107:1399    108:527     109:340     110:33      111:1740    112:472    
 113:60      114:33      115:14      116:46      117:953     118:64     
 119:151     120:1079    121:42      122:93      123:81      124:57     
 125:16      128:446     129:378     130:611     131:1061    132:556    
 133:267     134:436     135:123     136:422     137:589     138:857    
 139:536     140:575     141:280     142:800     143:637     144:380    
 145:90      146:607     147:430     148:694     149:682     150:294    
 151:609     152:538     153:146     154:673     155:761     156:603    
 157:330     158:431     159:664     160:939     161:639     162:964    
 163:405     164:654     165:565     166:584     167:618     168:1365   
 169:182     170:1495    171:98      172:1284    173:861     174:278    
 175:42      176:832     177:847     178:445     179:666     180:59     
 181:1638    182:16      183:874     184:502     185:3528    186:1883   
 187:866     188:812     189:1257    190:4358    191:343     192:4907   
 193:1982    194:1448    195:1135    196:965     197:775     198:2583   
 199:3413    200:3110    201:3186    202:1108    203:642     204:2230   
 205:1854    206:1628    207:1415    208:1425    209:1922    210:336    
 211:475     212:1041    213:881     214:1073    215:43      216:2520   
 217:574     218:524     219:24      220:29      221:292     222:33     
 223:617    

End of report


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