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

REN Routing Table Report cscora at bgp.nsrc.org
Sat Oct 21 22:41:37 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Sat 21 Oct, 2023

  IPv4 BGP Table (Global) as seen at RouteViews OIX.

Report Website:     https://bgp.nsrc.org/REN
Detailed Analysis:  https://bgp.nsrc.org/REN/OIX/

Analysis Summary
----------------

BGP routing table entries examined:                              985349
    Prefixes after maximum aggregation (per Origin AS):          361401
    Deaggregation factor:                                          2.73
    Unique aggregates announced (without unneeded subnets):      454060
Total ASes present in the Internet Routing Table:                 75268
    Prefixes per ASN:                                             13.09
Origin-only ASes present in the Internet Routing Table:           64510
Origin ASes announcing only one prefix:                           25945
Transit ASes present in the Internet Routing Table:               10758
Transit-only ASes present in the Internet Routing Table:            481
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.8
    Max AS path length visible:                                      55
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1290
    Number of instances of unregistered ASNs:                      1321
Number of 32-bit ASNs allocated by the RIRs:                      42889
Number of 32-bit ASNs visible in the Routing Table:               35413
Prefixes from 32-bit ASNs in the Routing Table:                  184403
Number of bogon 32-bit ASNs visible in the Routing Table:           247
Special use prefixes present in the Routing Table:                   37
Prefixes being announced from unallocated address space:            611
Number of addresses announced to Internet:                   3053294814
    Equivalent to 181 /8s, 253 /16s and 148 /24s
    Percentage of available address space announced:               82.5
    Percentage of allocated address space announced:               82.5
    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:      338483

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

Prefixes being announced by APNIC Region ASes:                   258854
    Total APNIC prefixes after maximum aggregation:               72780
    APNIC Deaggregation factor:                                    3.56
Prefixes being announced from the APNIC address blocks:          252106
    Unique aggregates announced from the APNIC address blocks:    99040
APNIC Region origin ASes present in the Internet Routing Table:   13834
    APNIC Prefixes per ASN:                                       18.22
APNIC Region origin ASes announcing only one prefix:               4083
APNIC Region transit ASes present in the Internet Routing Table:   1841
Average APNIC Region AS path length visible:                        5.0
    Max APNIC Region AS path length visible:                         33
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9109
Number of APNIC addresses announced to Internet:              772493984
    Equivalent to 46 /8s, 11 /16s and 82 /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:                    282152
    Total ARIN prefixes after maximum aggregation:               125656
    ARIN Deaggregation factor:                                     2.25
Prefixes being announced from the ARIN address blocks:           285524
    Unique aggregates announced from the ARIN address blocks:    132093
ARIN Region origin ASes present in the Internet Routing Table:    19118
    ARIN Prefixes per ASN:                                        14.93
ARIN Region origin ASes announcing only one prefix:                6929
ARIN Region transit ASes present in the Internet Routing Table:    1983
Average ARIN Region AS path length visible:                         4.3
    Max ARIN Region AS path length visible:                          24
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4840
Number of ARIN addresses announced to Internet:              1278011712
    Equivalent to 76 /8s, 44 /16s and 233 /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:                    281005
    Total RIPE prefixes after maximum aggregation:               127416
    RIPE Deaggregation factor:                                     2.21
Prefixes being announced from the RIPE address blocks:           275217
    Unique aggregates announced from the RIPE address blocks:    160539
RIPE Region origin ASes present in the Internet Routing Table:    28531
    RIPE Prefixes per ASN:                                         9.65
RIPE Region origin ASes announcing only one prefix:               12055
RIPE Region transit ASes present in the Internet Routing Table:    3972
Average RIPE Region AS path length visible:                         4.8
    Max RIPE Region AS path length visible:                          38
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11429
Number of RIPE addresses announced to Internet:               716691166
    Equivalent to 42 /8s, 183 /16s and 214 /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:                  127927
    Total LACNIC prefixes after maximum aggregation:              28671
    LACNIC Deaggregation factor:                                   4.46
Prefixes being announced from the LACNIC address blocks:         127190
    Unique aggregates announced from the LACNIC address blocks:   49204
LACNIC Region origin ASes present in the Internet Routing Table:  11062
    LACNIC Prefixes per ASN:                                      11.50
LACNIC Region origin ASes announcing only one prefix:              2288
LACNIC Region transit ASes present in the Internet Routing Table:  2391
Average LACNIC Region AS path length visible:                       5.2
    Max LACNIC Region AS path length visible:                        55
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8880
Number of LACNIC addresses announced to Internet:             178426912
    Equivalent to 10 /8s, 162 /16s and 148 /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:                  34121
    Total AfriNIC prefixes after maximum aggregation:              6072
    AfriNIC Deaggregation factor:                                  5.62
Prefixes being announced from the AfriNIC address blocks:         44700
    Unique aggregates announced from the AfriNIC address blocks:  12668
AfriNIC Region origin ASes present in the Internet Routing Table:  1816
    AfriNIC Prefixes per ASN:                                     24.61
AfriNIC Region origin ASes announcing only one prefix:              590
AfriNIC Region transit ASes present in the Internet Routing Table:  346
Average AfriNIC Region AS path length visible:                      4.9
    Max AfriNIC Region AS path length visible:                       27
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1155
Number of AfriNIC addresses announced to Internet:            107223296
    Equivalent to 6 /8s, 100 /16s and 25 /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        9618       8904      98  CHINAMOBILE-CN China Mobile Communicati
  7545        5716        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4215        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4022       1857      51  VNPT-AS-VN VNPT Corp, VN
  7552        3796       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3597       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3218        493     243  BBIL-AP BHARTI Airtel Ltd., IN
  4766        2738      11270     605  KIXS-AS-KR Korea Telecom, KR
 24560        2554        849     378  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd

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

ARIN Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 16509        9169      11006    3314  AMAZON-02, US
 11492        4540        301     673  CABLEONE, US
  7155        4180        289     101  VIASAT-SP-BACKBONE, US
   174        3794       6659     628  COGENT-174, US
 22773        3649       3077     309  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3547       1320      67  SHAW, CA
   749        3161      54958    2413  DNIC-AS-00749, US
 16625        3111       1421    2339  AKAMAI-AS, US
   367        3069       3850    1428  DNIC-ASBLK-00306-00371, US
396982        2705       3598     397  GOOGLE-CLOUD-PLATFORM, US

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

RIPE Region per AS prefix count summary
---------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 47331        8615       1176    2960  TTNET, TR
 12479        7414       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4149       3398     174  AKAMAI-ASN1, NL
  8551        3450        368      34  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
  9009        3125        278    1533  M247, RO
 12389        3003       2295     918  ROSTELECOM-AS, RU
  8452        2562       1852      14  TE-AS TE-AS, EG
  5384        2478        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2376        365     585  TELLCOM-AS, TR

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

LACNIC Region per AS prefix count summary
-----------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11970       3375     614  UNINET, MX
 10620        3542        504     858  Telmex Colombia S.A., CO
 13999        2419        333     628  Mega Cable, S.A. de C.V., MX
 11830        2002        369      64  Instituto Costarricense de Electricidad
 28573        1332       2322     230  Claro NXT Telecomunicacoes Ltda, BR
  3816        1298        770     191  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1250        342     505  Axtel, S.A.B. de C.V., MX
  6147        1110        369      22  Telefonica del Peru S.A.A., PE
 28202        1099         52       9  Rede Brasileira de Comunicacao SA, BR
 11664        1058        168     428  Techtel LMDS Comunicaciones Interactiva

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

AfriNIC Region per AS prefix count summary
------------------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
 37457        1880        319      45  Telkom-Internet, ZA
 24863        1609        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1358       1518     280  ETISALAT-MISR, EG
 36903        1248        553      98  MT-MPLS, MA
 29571        1047         67      46  ORANGE-COTE-IVOIRE, CI
 36935         938        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 36914         540         82       3  KENET-AS, KE
 15399         528         55      51  WANANCHI-, KE

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

Global Per AS prefix count summary
----------------------------------

   ASN  No of nets  /20 equiv  MaxAgg  Description
  8151       11970       3375     614  UNINET, MX
  9808        9618       8904      98  CHINAMOBILE-CN China Mobile Communicati
 16509        9169      11006    3314  AMAZON-02, US
 47331        8615       1176    2960  TTNET, TR
 12479        7414       1713     145  UNI2-AS, ES
  7545        5716        785     698  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4540        301     673  CABLEONE, US
 18403        4215        347      25  FPT-AS-AP FPT Telecom Company, VN

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

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

   ASN  No of nets  Net Savings  Description
  9808        9618         9520  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7414         7269  UNI2-AS, ES
 16509        9169         5855  AMAZON-02, US
 47331        8615         5655  TTNET, TR
  7545        5716         5018  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5007         4932  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4215         4190  FPT-AS-AP FPT Telecom Company, VN
  7155        4180         4079  VIASAT-SP-BACKBONE, US
 20940        4149         3975  AKAMAI-ASN1, NL

Complete listing at https://bgp.nsrc.org/REN/OIX/data-CIDRnet

List of Unregistered Origin ASNs (Global)
-----------------------------------------

    Bad AS  Designation  Net Originated      Transit AS  Transit AS Name
     46559  UNALLOCATED  8.3.52.0/23               3257  GTT-BACKBONE GTT, US
     33492  UNALLOCATED  8.6.184.0/23              3356  LEVEL3, US
     33123  UNALLOCATED  8.10.69.0/24             11168  SCC, US
     12169  UNALLOCATED  8.15.207.0/24            32787  PROLEXIC-TECHNOLOGIES-DDOS-M
     40493  UNALLOCATED  8.17.26.0/24              3356  LEVEL3, US
     53775  UNALLOCATED  8.20.88.0/24              7029  WINDSTREAM, US
     62828  UNALLOCATED  8.21.130.0/24             3356  LEVEL3, US
    393266  UNALLOCATED  8.23.52.0/24             46887  LIGHTOWER, US
    396894  UNALLOCATED  8.28.201.0/24            46887  LIGHTOWER, US
    394936  UNALLOCATED  8.33.224.0/24            22442  HOU-PHONOSCOPE, US

Complete listing at https://bgp.nsrc.org/REN/OIX/data-badAS

Prefixes from the Special Purpose Address Registry (Global)
-----------------------------------------------------------

Prefix                Origin AS  Description
100.65.6.0/24             65534  -Private Use AS-, ZZ
100.65.7.0/24             65534  -Private Use AS-, ZZ
100.65.8.0/24             65534  -Private Use AS-, ZZ
100.65.10.0/24            65534  -Private Use AS-, ZZ
100.65.11.0/24            65534  -Private Use AS-, ZZ
100.65.13.0/24            65534  -Private Use AS-, ZZ
100.65.16.0/23            65534  -Private Use AS-, ZZ
100.66.3.0/24             65534  -Private Use AS-, ZZ
100.66.7.0/24             65534  -Private Use AS-, ZZ
100.66.9.0/24             65534  -Private Use AS-, ZZ

Complete listing at https://bgp.nsrc.org/REN/OIX/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
23.189.192.0/24      Origin:     27593  RESERVED, ZZ
23.189.192.0/24     Transit:       174  COGENT-174, US
36.255.139.0/24      Origin:     56050  NEW-SHINE-INTERNET-TH 134 Yenchit Road, 
36.255.139.0/24     Transit:     58913  HCL-TH 4819 Supapong 3 Alley, Srinakarin

Complete listing at https://bgp.nsrc.org/REN/OIX/data-add-IANA

Number of prefixes announced per prefix length (Global)
-------------------------------------------------------

        !!Default route being announced!!

 /1:0        /2:0        /3:0        /4:0        /5:0        /6:0       
 /7:0        /8:16       /9:14      /10:38      /11:100     /12:301     
/13:583     /14:1211    /15:2143    /16:13667   /17:8590    /18:14766   
/19:25778   /20:45809   /21:54599   /22:114612  /23:107521  /24:590737  
/25:1123    /26:1076    /27:1487    /28:160     /29:239     /30:79      
/31:73      /32:626     

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

   ASN  No of nets  Total ann.  Description
 47331        7733        8615  TTNET, TR
 12479        6501        7414  UNI2-AS, ES
  8151        5984       11970  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3452        4540  CABLEONE, US
  6327        3356        3547  SHAW, CA
  7155        3125        4180  VIASAT-SP-BACKBONE, US
  8551        2927        3450  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2693        3649  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2154        2499  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2265      2:1614      3:270       4:8         5:4595      6:153    
   7:6         8:1625      9:1        11:172      12:1506     13:368    
  14:2410     15:305      16:200      17:371      18:664      20:332    
  21:4        22:188      23:6569     24:2943     25:2        27:2669   
  29:19       31:2700     32:91       34:28       35:120      36:2023   
  37:4615     38:6578     39:874      40:144      41:4799     42:2064   
  43:2422     44:332      45:17536    46:4529     47:398      49:1852   
  50:1914     51:578      52:1616     54:392      55:960      56:5      
  57:136      58:1954     59:1205     60:1012     61:2727     62:2832   
  63:1945     64:5854     65:2397     66:5154     67:3123     68:1370   
  69:4179     70:1394     71:656      72:3038     74:2669     75:1613   
  76:636      77:2436     78:4036     79:3044     80:2170     81:2089   
  82:1594     83:1377     84:1593     85:3921     86:873      87:2276   
  88:2916     89:4015     90:628      91:8014     92:2155     93:2673   
  94:3759     95:5125     96:1341     97:319      98:1123     99:735    
 100:125     101:1332    102:3384    103:32934   104:4816    105:2001   
 106:993     107:2744    108:1155    109:4334    110:2189    111:3176   
 112:2123    113:1813    114:1709    115:2144    116:1973    117:2572   
 118:2763    119:2069    120:1853    121:1252    122:2765    123:2284   
 124:1665    125:2633    128:1579    129:1012    130:1095    131:2065   
 132:973     133:408     134:1786    135:344     136:912     137:995    
 138:2864    139:1684    140:1317    141:1342    142:1544    143:1591   
 144:1010    145:350     146:2005    147:1635    148:2494    149:2406   
 150:905     151:1261    152:1990    153:594     154:5492    155:1412   
 156:2080    157:1383    158:1066    159:2211    160:2719    161:1625   
 162:3565    163:1694    164:1783    165:1918    166:1040    167:1759   
 168:4036    169:825     170:4873    171:976     172:3821    173:3035   
 174:991     175:1261    176:3778    177:5499    178:3597    179:2435   
 180:2602    181:3572    182:3417    183:2022    184:2285    185:20976  
 186:5038    187:4586    188:4284    189:4193    190:9515    191:1850   
 192:11039   193:9027    194:7544    195:5496    196:3684    197:3047   
 198:6093    199:6347    200:8337    201:6372    202:10984   203:10618  
 204:4611    205:3744    206:4474    207:3571    208:4177    209:5007   
 210:4734    211:2669    212:4392    213:3529    214:1110    215:71     
 216:6893    217:3026    218:1337    219:617     220:2042    221:989    
 222:859     223:2186   

End of report


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