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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Dec 16 20:16:35 UTC 2023


IPv4 R&E Routing Table Report   20:15 GMT Sat 16 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:                              256793
    Prefixes after maximum aggregation (per Origin AS):          113784
    Deaggregation factor:                                          2.26
    Unique aggregates announced (without unneeded subnets):      138475
    Number of IPv4 prefixes with a valid ROA:                     97218
    Number of IPv4 prefixes with an invalid ROA:                    224
    Number of IPv4 prefixes with no ROA:                         159351
Total ASes present in the Internet Routing Table:                 20588
    Prefixes per ASN:                                             12.47
Origin-only ASes present in the Internet Routing Table:           17950
Origin ASes announcing only one prefix:                            8006
Transit ASes present in the Internet Routing Table:                2638
Transit-only ASes present in the Internet Routing Table:            640
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:               382
    Number of instances of unregistered ASNs:                       382
Number of 32-bit ASNs allocated by the RIRs:                      43229
Number of 32-bit ASNs visible in the Routing Table:                7379
Prefixes from 32-bit ASNs in the Routing Table:                   26290
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:            133
Number of addresses announced to Internet:                   1485796425
    Equivalent to 88 /8s, 143 /16s and 116 /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:       87127

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

Prefixes being announced by APNIC Region ASes:                    30916
    Total APNIC prefixes after maximum aggregation:                7316
    APNIC Deaggregation factor:                                    4.23
Prefixes being announced from the APNIC address blocks:           30547
    Unique aggregates announced from the APNIC address blocks:     8491
APNIC Region origin ASes present in the Internet Routing Table:    1207
    APNIC Prefixes per ASN:                                       25.31
APNIC Region origin ASes announcing only one prefix:                491
APNIC Region transit ASes present in the Internet Routing Table:    197
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:    531
Number of APNIC addresses announced to Internet:              212712072
    Equivalent to 12 /8s, 173 /16s and 186 /24s
APNIC AS Blocks        4608-4864, 7467-7722, 9216-10239, 17408-18431
(pre-ERX allocations)  23552-24575, 37888-38911, 45056-46079, 55296-56319,
                       58368-59391, 63488-64098, 64297-64395, 131072-153913
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:                    118997
    Total ARIN prefixes after maximum aggregation:                62681
    ARIN Deaggregation factor:                                     1.90
Prefixes being announced from the ARIN address blocks:           118941
    Unique aggregates announced from the ARIN address blocks:     69162
ARIN Region origin ASes present in the Internet Routing Table:     9613
    ARIN Prefixes per ASN:                                        12.37
ARIN Region origin ASes announcing only one prefix:                3947
ARIN Region transit ASes present in the Internet Routing Table:     854
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:    2042
Number of ARIN addresses announced to Internet:               841312449
    Equivalent to 50 /8s, 37 /16s and 104 /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:                     55762
    Total RIPE prefixes after maximum aggregation:                28040
    RIPE Deaggregation factor:                                     1.99
Prefixes being announced from the RIPE address blocks:            54699
    Unique aggregates announced from the RIPE address blocks:     36720
RIPE Region origin ASes present in the Internet Routing Table:     5183
    RIPE Prefixes per ASN:                                        10.55
RIPE Region origin ASes announcing only one prefix:                2208
RIPE Region transit ASes present in the Internet Routing Table:     708
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:    1980
Number of RIPE addresses announced to Internet:               302672640
    Equivalent to 18 /8s, 10 /16s and 107 /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:                   42108
    Total LACNIC prefixes after maximum aggregation:              13132
    LACNIC Deaggregation factor:                                   3.21
Prefixes being announced from the LACNIC address blocks:          41418
    Unique aggregates announced from the LACNIC address blocks:   20037
LACNIC Region origin ASes present in the Internet Routing Table:   3548
    LACNIC Prefixes per ASN:                                      11.67
LACNIC Region origin ASes announcing only one prefix:              1268
LACNIC Region transit ASes present in the Internet Routing Table:   708
Average LACNIC Region AS path length visible:                       5.9
    Max LACNIC Region AS path length visible:                        38
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  2716
Number of LACNIC addresses announced to Internet:              88243968
    Equivalent to 5 /8s, 66 /16s and 127 /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:                   8628
    Total AfriNIC prefixes after maximum aggregation:              2324
    AfriNIC Deaggregation factor:                                  3.71
Prefixes being announced from the AfriNIC address blocks:         11055
    Unique aggregates announced from the AfriNIC address blocks:   3939
AfriNIC Region origin ASes present in the Internet Routing Table:   241
    AfriNIC Prefixes per ASN:                                     45.87
AfriNIC Region origin ASes announcing only one prefix:               92
AfriNIC Region transit ASes present in the Internet Routing Table:   63
Average AfriNIC Region AS path length visible:                      6.0
    Max AfriNIC Region AS path length visible:                       17
Number of AfriNIC region 32-bit ASNs visible in the Routing Table:  110
Number of AfriNIC addresses announced to Internet:             40714752
    Equivalent to 2 /8s, 109 /16s and 66 /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        9585       8731      42  CHINAMOBILE-CN China Mobile Communicati
 56047        1507        188      34  CMNET-HUNAN-AP China Mobile communicati
 56041        1428        714      73  CMNET-ZHEJIANG-AP China Mobile communic
 56046        1426        834     106  CMNET-JIANGSU-AP China Mobile communica
 24444         760        501      71  CMNET-V4SHANDONG-AS-AP Shandong Mobile 
 24547         748        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        9360      11174    3411  AMAZON-02, US
 22773        3473       3038     292  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2936       3834    1400  DNIC-ASBLK-00306-00371, US
  7018        2576      23627    1594  ATT-INTERNET4, US
  5650        1973       2755    1396  FRONTIER-FRTR, US
 18566        1855        373     312  MEGAPATH5-, US
 11776        1844        254     221  ATLANTICBB-JOHNSTOWN, US
  6167        1743       3058     445  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        1569        139    1249  AKAMAI-ASN1, NL
  8452         903       1841      14  TE-AS TE-AS, EG
  3215         892       4823     300  France Telecom - Orange, FR
 25019         866       1035     152  SAUDINETSTC-AS, SA
 61317         836         58     747  ASDETUK www.heficed.com, US
 34984         802         93     511  TELLCOM-AS, TR
  8376         733         59      22  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        5900       1676    1009  UNINET, MX
 10620        2214        313    1315  Telmex Colombia S.A., CO
 11830        2005        369      64  Instituto Costarricense de Electricidad
  3816        1307        787     192  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6147        1085        369      22  Telefonica del Peru S.A.A., PE
 26615        1038       2502      52  TIM SA, BR
 18881         991       1120      28  TELEFONICA BRASIL S.A, BR
 11664         919        151     400  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        1169        388      22  LINKdotNET-AS, EG
 24835        1019        457      25  RAYA-AS, EG
 36935         674        520      41  Vodafone-, EG
 36992         672        992     338  ETISALAT-MISR, EG
 36914         523         82       3  KENET-AS, KE
 15399         429         38     144  WANANCHI-, KE
 36903         415        192     302  MT-MPLS, MA
 29571         382         36     159  ORANGE-COTE-IVOIRE, CI
  2018         377        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        9585       8731      42  CHINAMOBILE-CN China Mobile Communicati
 16509        9360      11174    3411  AMAZON-02, US
  8151        5900       1676    1009  UNINET, MX
 39891        4570        271      54  ALJAWWALSTC-AS, SA
 22773        3473       3038     292  ASN-CXA-ALL-CCI-22773-RDC, US
   749        3163      54930    2415  DNIC-AS-00749, US
   367        2936       3834    1400  DNIC-ASBLK-00306-00371, US
  7018        2576      23627    1594  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        9360         5949  AMAZON-02, US
  8151        5900         4891  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        1844         1623  ATLANTICBB-JOHNSTOWN, US
 18566        1855         1543  MEGAPATH5-, US
   367        2936         1536  DNIC-ASBLK-00306-00371, US
 56047        1507         1473  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     /15:1000    /16:7429    /17:3468    /18:4048    
/19:7874    /20:12286   /21:15439   /22:28573   /23:28852   /24:146636  
/25:85      /26:61      /27:71      /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        3122        5900  UNINET, MX
 22773        2533        3473  ASN-CXA-ALL-CCI-22773-RDC, US
 16509        1914        9360  AMAZON-02, US
 18566        1769        1855  MEGAPATH5-, US
 11830        1703        2005  Instituto Costarricense de Electricidad y Telec
  5650        1404        1973  FRONTIER-FRTR, US
 10620        1337        2214  Telmex Colombia S.A., CO
  7018        1126        2576  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)
----------------------------------------------

   1:14        2:512       3:250       4:5         5:1316      6:149    
   7:5         8:732      11:171      12:1093     13:313      14:103    
  15:284      16:167      17:6        18:646      20:244      21:4      
  22:188      23:2441     24:782      25:2        27:25       29:19     
  31:427      32:37       34:2        35:56       36:1098     37:882    
  38:1339     39:503      40:61       41:1023     42:20       43:215    
  44:42       45:3353     46:882      47:154      49:22       50:340    
  51:477      52:1386     54:342      55:875      56:5        57:23     
  58:7        59:32       60:18       61:70       62:594      63:889    
  64:2082     65:1153     66:2238     67:961      68:581      69:1193   
  70:484      71:264      72:719      74:1056     75:438      76:242    
  77:354      78:607      79:254      80:371      81:352      82:292    
  83:162      84:360      85:422      86:216      87:300      88:225    
  89:602      90:99       91:949      92:510      93:936      94:680    
  95:1227     96:279      97:70       98:550      99:163     100:45     
 101:27      102:256     103:1256    104:1425    105:64      106:42     
 107:1405    108:525     109:335     110:34      111:1733    112:473    
 113:59      114:33      115:18      116:50      117:951     118:64     
 119:151     120:1080    121:42      122:95      123:81      124:57     
 125:16      128:451     129:377     130:610     131:1079    132:550    
 133:267     134:437     135:120     136:421     137:465     138:865    
 139:540     140:619     141:291     142:801     143:645     144:377    
 145:90      146:591     147:434     148:687     149:697     150:293    
 151:581     152:535     153:146     154:643     155:756     156:619    
 157:330     158:442     159:662     160:663     161:636     162:966    
 163:409     164:655     165:572     166:594     167:618     168:1355   
 169:185     170:1484    171:99      172:1303    173:864     174:278    
 175:42      176:839     177:850     178:393     179:698     180:58     
 181:1641    182:14      183:876     184:503     185:3435    186:1881   
 187:895     188:730     189:1331    190:4310    191:350     192:4951   
 193:1971    194:1451    195:1136    196:871     197:860     198:2605   
 199:3355    200:3192    201:3209    202:1118    203:631     204:2232   
 205:1814    206:1644    207:1410    208:1439    209:1944    210:346    
 211:475     212:1061    213:875     214:1073    215:43      216:2534   
 217:579     218:524     219:24      220:29      221:289     222:33     
 223:617    

End of report


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