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

REN Routing Table Report cscora at bgp.nsrc.org
Mon Sep 18 22:41:11 UTC 2023


IPv4 R&E Routing Table Report   22:35 GMT Mon 18 Sep, 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:                              993746
    Prefixes after maximum aggregation (per Origin AS):          361608
    Deaggregation factor:                                          2.75
    Unique aggregates announced (without unneeded subnets):      455185
Total ASes present in the Internet Routing Table:                 75377
    Prefixes per ASN:                                             13.18
Origin-only ASes present in the Internet Routing Table:           64743
Origin ASes announcing only one prefix:                           25827
Transit ASes present in the Internet Routing Table:               10634
Transit-only ASes present in the Internet Routing Table:            465
Paths with bogon ASNs present in the IPv4 Routing Table:              0
Average AS path length visible in the Internet Routing Table:       4.6
    Max AS path length visible:                                      56
    Max AS path prepend of ASN (265020)                              50
Prefixes from unregistered ASNs in the Routing Table:              1344
    Number of instances of unregistered ASNs:                      1346
Number of 32-bit ASNs allocated by the RIRs:                      42637
Number of 32-bit ASNs visible in the Routing Table:               35382
Prefixes from 32-bit ASNs in the Routing Table:                  186568
Number of bogon 32-bit ASNs visible in the Routing Table:           228
Special use prefixes present in the Routing Table:                   43
Prefixes being announced from unallocated address space:            745
Number of addresses announced to Internet:                   3063401354
    Equivalent to 182 /8s, 151 /16s and 203 /24s
    Percentage of available address space announced:               82.7
    Percentage of allocated address space announced:               82.7
    Percentage of available address space allocated:              100.0
    Percentage of address space in use by end-sites:               99.5
Total number of prefixes smaller than registry allocations:      341473

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

Prefixes being announced by APNIC Region ASes:                   258583
    Total APNIC prefixes after maximum aggregation:               72016
    APNIC Deaggregation factor:                                    3.59
Prefixes being announced from the APNIC address blocks:          252092
    Unique aggregates announced from the APNIC address blocks:    99157
APNIC Region origin ASes present in the Internet Routing Table:   13785
    APNIC Prefixes per ASN:                                       18.29
APNIC Region origin ASes announcing only one prefix:               4034
APNIC Region transit ASes present in the Internet Routing Table:   1843
Average APNIC Region AS path length visible:                        4.7
    Max APNIC Region AS path length visible:                         30
Number of APNIC region 32-bit ASNs visible in the Routing Table:   9078
Number of APNIC addresses announced to Internet:              775219776
    Equivalent to 46 /8s, 52 /16s and 234 /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:                    285387
    Total ARIN prefixes after maximum aggregation:               126422
    ARIN Deaggregation factor:                                     2.26
Prefixes being announced from the ARIN address blocks:           287556
    Unique aggregates announced from the ARIN address blocks:    132161
ARIN Region origin ASes present in the Internet Routing Table:    19186
    ARIN Prefixes per ASN:                                        14.99
ARIN Region origin ASes announcing only one prefix:                6944
ARIN Region transit ASes present in the Internet Routing Table:    1921
Average ARIN Region AS path length visible:                         4.4
    Max ARIN Region AS path length visible:                          25
Number of ARIN region 32-bit ASNs visible in the Routing Table:    4848
Number of ARIN addresses announced to Internet:              1280976960
    Equivalent to 76 /8s, 90 /16s and 40 /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:                    283779
    Total RIPE prefixes after maximum aggregation:               127581
    RIPE Deaggregation factor:                                     2.22
Prefixes being announced from the RIPE address blocks:           278896
    Unique aggregates announced from the RIPE address blocks:    161159
RIPE Region origin ASes present in the Internet Routing Table:    28613
    RIPE Prefixes per ASN:                                         9.75
RIPE Region origin ASes announcing only one prefix:               12037
RIPE Region transit ASes present in the Internet Routing Table:    3963
Average RIPE Region AS path length visible:                         4.3
    Max RIPE Region AS path length visible:                          33
Number of RIPE region 32-bit ASNs visible in the Routing Table:   11428
Number of RIPE addresses announced to Internet:               719810270
    Equivalent to 42 /8s, 231 /16s and 110 /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:                  130162
    Total LACNIC prefixes after maximum aggregation:              28714
    LACNIC Deaggregation factor:                                   4.53
Prefixes being announced from the LACNIC address blocks:         129422
    Unique aggregates announced from the LACNIC address blocks:   49283
LACNIC Region origin ASes present in the Internet Routing Table:  11075
    LACNIC Prefixes per ASN:                                      11.69
LACNIC Region origin ASes announcing only one prefix:              2232
LACNIC Region transit ASes present in the Internet Routing Table:  2369
Average LACNIC Region AS path length visible:                       5.0
    Max LACNIC Region AS path length visible:                        56
Number of LACNIC region 32-bit ASNs visible in the Routing Table:  8884
Number of LACNIC addresses announced to Internet:             178873376
    Equivalent to 10 /8s, 169 /16s and 100 /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:                  34491
    Total AfriNIC prefixes after maximum aggregation:              6047
    AfriNIC Deaggregation factor:                                  5.70
Prefixes being announced from the AfriNIC address blocks:         45034
    Unique aggregates announced from the AfriNIC address blocks:  12785
AfriNIC Region origin ASes present in the Internet Routing Table:  1804
    AfriNIC Prefixes per ASN:                                     24.96
AfriNIC Region origin ASes announcing only one prefix:              580
AfriNIC Region transit ASes present in the Internet Routing Table:  337
Average AfriNIC Region AS path length visible:                      4.8
    Max AfriNIC Region AS path length visible:                       28
Number of AfriNIC region 32-bit ASNs visible in the Routing Table: 1144
Number of AfriNIC addresses announced to Internet:            107958784
    Equivalent to 6 /8s, 111 /16s and 82 /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        9699       8904      99  CHINAMOBILE-CN China Mobile Communicati
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5003       4192      75  ERX-CERNET-BKB China Education and Rese
 18403        4284        347      25  FPT-AS-AP FPT Telecom Company, VN
 45899        4046       1857      53  VNPT-AS-VN VNPT Corp, VN
  7552        3756       1331      21  VIETEL-AS-AP Viettel Group, VN
  7713        3599       1043      63  TELKOMNET-AS-AP PT Telekomunikasi Indon
  9498        3155        498     255  BBIL-AP BHARTI Airtel Ltd., IN
 24560        2530        849     386  AIRTELBROADBAND-AS-AP Bharti Airtel Ltd
  4766        2315      11270     587  KIXS-AS-KR Korea Telecom, KR

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        9193      11012    3198  AMAZON-02, US
 11492        4548        302     622  CABLEONE, US
  7155        4183        289     102  VIASAT-SP-BACKBONE, US
   174        3969       6656     622  COGENT-174, US
 22773        3699       3063     324  ASN-CXA-ALL-CCI-22773-RDC, US
  6327        3540       1319      66  SHAW, CA
 16625        3220       1552    2374  AKAMAI-AS, US
   749        3164      54961    2400  DNIC-AS-00749, US
   367        3033       3842    1430  DNIC-ASBLK-00306-00371, US
396982        2699       3597     391  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        8557       1171    3005  TTNET, TR
 12479        7429       1713     145  UNI2-AS, ES
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 20940        4206       3399     185  AKAMAI-ASN1, NL
  8551        3480        369      36  BEZEQ-INTERNATIONAL-AS Bezeqint Interne
 12389        2997       2296     921  ROSTELECOM-AS, RU
  9009        2778        258    1415  M247, RO
  8452        2504       1852      16  TE-AS TE-AS, EG
  5384        2468        585      29  EMIRATES-INTERNET Emirates Internet, AE
 34984        2379        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       11947       3370     606  UNINET, MX
 10620        3550        508     836  Telmex Colombia S.A., CO
 13999        2471        366     641  Mega Cable, S.A. de C.V., MX
 11830        2005        369      64  Instituto Costarricense de Electricidad
 28573        1327       2325     226  Claro NXT Telecomunicacoes Ltda, BR
  3816        1309        774     172  COLOMBIA TELECOMUNICACIONES S.A. ESP, C
  6503        1303        344     511  Axtel, S.A.B. de C.V., MX
 11664        1131        183     427  Techtel LMDS Comunicaciones Interactiva
  6147        1124        370      22  Telefonica del Peru S.A.A., PE
 28202        1090         52       9  Rede Brasileira de Comunicacao SA, BR

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        1882        319      45  Telkom-Internet, ZA
 24863        1617        393      19  LINKdotNET-AS, EG
 24835        1549        549      28  RAYA-AS, EG
 36992        1365       1518     280  ETISALAT-MISR, EG
 36903        1242        550      99  MT-MPLS, MA
 29571        1052         67      45  ORANGE-COTE-IVOIRE, CI
 36935         959        521      44  Vodafone-, EG
  6713         551       1861      34  IAM-AS, MA
 15399         539         55      50  WANANCHI-, KE
 36914         536         82       3  KENET-AS, 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       11947       3370     606  UNINET, MX
  9808        9699       8904      99  CHINAMOBILE-CN China Mobile Communicati
 16509        9193      11012    3198  AMAZON-02, US
 47331        8557       1171    3005  TTNET, TR
 12479        7429       1713     145  UNI2-AS, ES
  7545        5751        785     692  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5003       4192      75  ERX-CERNET-BKB China Education and Rese
 39891        4897        290      61  ALJAWWALSTC-AS, SA
 11492        4548        302     622  CABLEONE, US
 18403        4284        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        9699         9600  CHINAMOBILE-CN China Mobile Communications Grou
 12479        7429         7284  UNI2-AS, ES
 16509        9193         5995  AMAZON-02, US
 47331        8557         5552  TTNET, TR
  7545        5751         5059  TPG-INTERNET-AP TPG Telecom Limited, AU
  4538        5003         4928  ERX-CERNET-BKB China Education and Research Net
 39891        4897         4836  ALJAWWALSTC-AS, SA
 18403        4284         4259  FPT-AS-AP FPT Telecom Company, VN
  7155        4183         4081  VIASAT-SP-BACKBONE, US
 20940        4206         4021  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             3356  LEVEL3, 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      /10:39      /11:102     /12:299     
/13:578     /14:1213    /15:2158    /16:13760   /17:8610    /18:14859   
/19:25965   /20:46314   /21:55323   /22:115842  /23:109023  /24:596638  
/25:486     /26:626     /27:1036    /28:78      /29:102     /30:26      
/31:22      /32:616     

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

   ASN  No of nets  Total ann.  Description
 47331        7676        8557  TTNET, TR
 12479        6515        7429  UNI2-AS, ES
  8151        5917       11947  UNINET, MX
 39891        3632        4897  ALJAWWALSTC-AS, SA
 11492        3457        4548  CABLEONE, US
  6327        3350        3540  SHAW, CA
  7155        3128        4183  VIASAT-SP-BACKBONE, US
  8551        2947        3480  BEZEQ-INTERNATIONAL-AS Bezeqint Internet Backbo
 22773        2732        3699  ASN-CXA-ALL-CCI-22773-RDC, US
 30036        2175        2519  MEDIACOM-ENTERPRISE-BUSINESS, US

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

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

   1:2276      2:1600      3:263       4:8         5:4798      6:139    
   7:6         8:1634      9:1        11:172      12:1531     13:380    
  14:2425     15:305      16:198      17:384      18:647      20:309    
  21:4        22:188      23:6542     24:3078     25:6        27:2682   
  29:19       31:2696     32:97       34:27       35:120      36:2020   
  37:4762     38:6541     39:879      40:147      41:4907     42:2106   
  43:2488     44:332      45:17937    46:4544     47:395      49:1849   
  50:1929     51:598      52:1636     54:400      55:980      56:8      
  57:133      58:1983     59:1210     60:1010     61:2734     62:2871   
  63:1976     64:5907     65:2421     66:5193     67:3126     68:1367   
  69:4234     70:1415     71:704      72:3091     74:2705     75:1619   
  76:625      77:2604     78:4036     79:3047     80:2200     81:2112   
  82:1595     83:1368     84:1590     85:3941     86:881      87:2293   
  88:2891     89:4021     90:628      91:8069     92:2181     93:2687   
  94:3782     95:5149     96:1347     97:322      98:1139     99:737    
 100:123     101:1370    102:3439    103:33129   104:4700    105:2003   
 106:971     107:2722    108:1164    109:4375    110:2202    111:3200   
 112:2151    113:1824    114:1693    115:2164    116:1971    117:2635   
 118:2764    119:2097    120:1880    121:1239    122:2774    123:2269   
 124:1671    125:2612    128:1604    129:1149    130:1098    131:2110   
 132:976     133:408     134:1807    135:355     136:993     137:998    
 138:2877    139:1696    140:1315    141:1361    142:1547    143:1642   
 144:1031    145:353     146:2038    147:1637    148:2526    149:2347   
 150:920     151:1255    152:2009    153:596     154:5561    155:1437   
 156:2009    157:1370    158:1101    159:2270    160:2727    161:1631   
 162:3621    163:1684    164:1785    165:1952    166:1111    167:1774   
 168:4118    169:960     170:5002    171:967     172:3795    173:3045   
 174:1006    175:1268    176:3986    177:5618    178:3636    179:2511   
 180:2671    181:3657    182:3465    183:2052    184:2339    185:21138  
 186:5147    187:4652    188:4388    189:4214    190:9561    191:1887   
 192:11148   193:9109    194:7633    195:5541    196:3684    197:3052   
 198:6121    199:6232    200:8387    201:6331    202:11114   203:10651  
 204:4662    205:3801    206:4479    207:3577    208:4294    209:5053   
 210:4756    211:2641    212:4443    213:3780    214:1134    215:60     
 216:6983    217:3060    218:1337    219:619     220:2048    221:996    
 222:868     223:2201   

End of report


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